|
=== Wi-Fi ===
The launch of the iOS 5 update on October 12, 2011 (including iOS 5.0.1 released on November 10, 2011), led many users to report a major bug causing the device to lose [[Wi-Fi]] access. This problem haswas supposedly been fixed with the release of iOS 5.1.1.<ref name="Engadget iOS 5 wifi bug">{{cite web|url=https://www.engadget.com/2011/11/21/thanks-to-ios-5-some-users-lose-wifi-connectivity|title=Thanks to iOS 5.1 some users lose Wifi connectivity|date=November 21, 2011|website=Engadget|access-date=January 13, 2012|archive-date=January 27, 2012|archive-url=https://web.archive.org/web/20120127094400/http://www.engadget.com/2011/11/21/thanks-to-ios-5-some-users-lose-wifi-connectivity/|url-status=live}}</ref><ref name="Simonblog wifi bug">{{cite web|url=http://www.simonblog.com/2011/11/27/wi-fi-connectivity-problems-with-ios-5-update |title=Wi-Fi connectivity problems with iOS 5.1 update|date=November 27, 2011|website=Simonblog|access-date=January 8, 2012|archive-url=https://web.archive.org/web/20140224013700/http://www.simonblog.com/2011/11/27/wi-fi-connectivity-problems-with-ios-5-update/|archive-date=February 24, 2014|url-status=dead}}</ref>
=== SIM card ===
=== Echo bugs ===
Some users of the iPhone 4 and iPhone 4S reported issues with having echo problems during phone call in the initial release of iOS 5, which causescaused echoes to appear randomly during phone calls made through earbuds. The other party in the call iswas generally unable to hear the conversation due to this problem.<ref>{{cite web|url=http://www.bgr.com/2011/11/01/audio-echo-bug-plagues-iphone-4s-owners-during-voice-calls/|title=Audio echo bug plagues iPhone 4S owners during voice calls|date=November 1, 2011|website=BGR|access-date=March 21, 2013|archive-date=June 9, 2013|archive-url=https://web.archive.org/web/20130609173042/http://bgr.com/2011/11/01/audio-echo-bug-plagues-iphone-4s-owners-during-voice-calls/|url-status=live}}</ref> Apple has since released version 5.1.1 in an attempt to fix the problem.
== iOS 6 ==
=== Maps ===
{{Main article|Apple Maps#Early inaccuracy (2012)}}
Apple admitted that there were several bugs in the mapping app on [[iOS 6]], with cities in the wrong ___location, some places being missed offmissing altogether, some places misnamed, and some places of interest in the sea.<ref name="Letter from Tim Cook on Maps">{{cite web|url=https://www.apple.com/letter-from-tim-cook-on-maps |title=Letter from Tim Cook on Maps|archive-url=https://web.archive.org/web/20121001014531/http://www.apple.com/letter-from-tim-cook-on-maps|archive-date=October 1, 2012}}</ref><ref name="compweekly map errors">{{cite web|url=http://www.computerweekly.com/news/2240163685/Apple-admits-iPhone-5-Maps-app-needs-fixing|title=Apple admits iPhone 5 Maps app needs fixing|access-date=September 21, 2012|archive-date=September 24, 2012|archive-url=https://web.archive.org/web/20120924013117/http://www.computerweekly.com/news/2240163685/Apple-admits-iPhone-5-Maps-app-needs-fixing|url-status=live}}</ref><ref name="ibtimes map errors">{{cite web|url=http://www.ibtimes.com/apple-concedes-its-errors-maps-application-asserts-working-hard-improve-experience-expert-rules-out|title=Apple Concedes Its Errors in Maps Application; Asserts 'Working Hard' To Improve Experience; Expert Rules Out Google Maps App For iOS 6|website=IBT|date=September 21, 2012 |access-date=September 21, 2012|archive-date=September 23, 2012|archive-url=https://web.archive.org/web/20120923163711/http://www.ibtimes.com/apple-concedes-its-errors-maps-application-asserts-working-hard-improve-experience-expert-rules-out|url-status=live}}</ref> Problems submitted by users were gradually addressed with daily updates to Maps.<ref>{{cite web|url=https://appleinsider.com/articles/14/06/30/apple-updating-its-maps-with-user-corrections-every-day-at-3-am-eastern|title=Apple updating its Maps with user corrections every day at 3 am Eastern|date=June 30, 2014 |access-date=April 19, 2015|archive-date=April 20, 2015|archive-url=https://web.archive.org/web/20150420030343/http://appleinsider.com/articles/14/06/30/apple-updating-its-maps-with-user-corrections-every-day-at-3-am-eastern|url-status=live}}</ref>
=== Bluetooth ===
=== Motion sickness ===
Users complained about motion sickness-like symptoms when using iOS 7 because of the user interface's animation and parallax effects. In iOS 7.1, a new function in the Settings app named "Reduce Motion" was introduced to reduce the motion of the user interface and disable the parallax effects.<ref>{{cite news|title=How Apple's iOS 7.1 finally quelled users' motion sickness|author=Craig Grannell|newspaper=The Guardian|date=March 13, 2014|url=https://www.theguardian.com/technology/2014/mar/13/apple-iphone-ipad-ios-71-motion-sickness|access-date=July 15, 2020|archive-date=July 16, 2020|archive-url=https://web.archive.org/web/20200716151335/https://www.theguardian.com/technology/2014/mar/13/apple-iphone-ipad-ios-71-motion-sickness|url-status=live}}</ref> ▼
Users complained about motion sickness-like symptoms when using iOS 7 because of the user interface's animation and parallax effects.
▲In iOS 7.1, a new function in the Settings app named "Reduce Motion" was introduced to reduce the motion of the user interface and disable the parallax effects.<ref>{{cite news|title=How Apple's iOS 7.1 finally quelled users' motion sickness|author=Craig Grannell|newspaper=The Guardian|date=March 13, 2014|url=https://www.theguardian.com/technology/2014/mar/13/apple-iphone-ipad-ios-71-motion-sickness|access-date=July 15, 2020|archive-date=July 16, 2020|archive-url=https://web.archive.org/web/20200716151335/https://www.theguardian.com/technology/2014/mar/13/apple-iphone-ipad-ios-71-motion-sickness|url-status=live}}</ref>
=== Creation of CardDAV Accounts not working ===
=== Touch ID ===
Users who updated phones with Touch ID enabled to iOS 8.3 found out that they could not use Touch ID to make App Store purchases.<ref>{{cite web|url=http://wccftech.com/apple-released-ios-83-bug-fixes-features/|title=Touch ID Fails in App Store With Apples Recent iOS 8.3 Release|date=April 9, 2015|newspaper=WCCFTech|access-date=April 12, 2015|archive-date=April 15, 2015|archive-url=https://web.archive.org/web/20150415070407/http://wccftech.com/apple-released-ios-83-bug-fixes-features/|url-status=live}}</ref> A workaround has beenwas devised by users to repair this issue.{{Unreliable source?|date=January 2024}}<ref>{{cite web|url=http://wccftech.com/how-to-fix-touch-id-ios-8-3-bugs/|title=How to Fix iOS 8.3 Touch ID Issue – iOS 8 Tips and Tricks|date=April 10, 2015|newspaper=WCCFTech|access-date=April 12, 2015|archive-date=April 12, 2015|archive-url=https://web.archive.org/web/20150412093514/http://wccftech.com/how-to-fix-touch-id-ios-8-3-bugs/|url-status=live}}</ref>
=== Performance ===
=== iMessage ===
When a specific sequence of Arabic, Unicode, and English characters arewere sent through iMessage to a device running iOS 8.0 orthrough lateriOS 8.3, it causescaused the device to crash and restart; if the Messages app iswas then opened, the crash repeatsrepeated.<ref>{{cite news| last=Page | first=Carly | title=iMessage bug can bork the Apple Watch, Macs and iPads too |publisher=The Inquirer| date=28 May 2015 | url=http://www.theinquirer.net/inquirer/news/2410183/ios-bug-lets-android-and-windows-phone-users-disable-your-iphones-messages-app | archive-url=https://web.archive.org/web/20150529002053/http://www.theinquirer.net/inquirer/news/2410183/ios-bug-lets-android-and-windows-phone-users-disable-your-iphones-messages-app | archive-date=29 May 2015 | url-status=dead}}</ref> This bug, which had existed since iOS 6 but had previously had little impact, was reported by a [[Reddit]] user in May 2015, and prompted a lot of such messages to be sent deliberately. This issue was resolved in iOS 8.4, released on July 1, 2015.<ref>{{cite news| last=Erwin | first=Derek | title=iOS 8.4 Update Fixes Text Message Bug Causing iPhones to Restart | website=The Mac Security Blog | date=1 July 2015 | url=https://www.intego.com/mac-security-blog/ios-8-4-update-fixes-text-message-bug-iphone-restart/}}</ref>
== iOS 9 ==
=== 9.7-inch iPad Pro bricking issue ===
iOS 9.3.2 caused problems for some 9.7-inch iPad Pro owners, with multiple ''MacRumors'' readers and Twitter users reporting issues shortly after installing the update over the air. Affected users are seeingsaw an "Error 56" message that instructs them to plug their devices into iTunes.<ref>{{Cite web |title=iOS 9.3.2 Bricking Some 9.7-inch iPad Pro Devices With 'Error 56' Message [Updated] |url=https://www.macrumors.com/2016/05/16/ios-9-3-2-bricking-some-9-7-ipad-pros/ |access-date=2022-03-22 |website=MacRumors |date=May 16, 2016 |language=en |archive-date=March 22, 2022 |archive-url=https://web.archive.org/web/20220322014132/https://www.macrumors.com/2016/05/16/ios-9-3-2-bricking-some-9-7-ipad-pros/ |url-status=live }}</ref>
As a result, iOS 9.3.2 update was withdrawn.<ref>{{Cite web |last=Mayo |first=Benjamin |date=2016-05-20 |title=Apple pulls iOS 9.3.2 for 9.7 inch iPad Pro following reports of bricked devices with 'Error 56' issue |url=https://9to5mac.com/2016/05/20/apple-pulls-ios-9-3-2-for-9-7-inch-ipad-pro-following-reports-of-bricked-devices-with-error-56-issue/ |access-date=2022-03-22 |website=9to5Mac |language=en-US |archive-date=March 22, 2022 |archive-url=https://web.archive.org/web/20220322014159/https://9to5mac.com/2016/05/20/apple-pulls-ios-9-3-2-for-9-7-inch-ipad-pro-following-reports-of-bricked-devices-with-error-56-issue/ |url-status=live }}</ref> This issue was fixed with a re-release version of iOS 9.3.2 in June 2016, with build number 13F72.<ref>{{Cite web |last=Cunningham |first=Andrew |date=2016-06-02 |title=After bricking saga, Apple re-posts iOS 9.3.2 update for 9.7-inch iPad Pro [Updated] |url=https://arstechnica.com/gadgets/2016/06/apple-pulls-ios-9-3-2-update-for-9-7-inch-ipad-pro-after-reports-of-bricking/ |access-date=2022-03-22 |website=Ars Technica |language=en-us |archive-date=March 22, 2022 |archive-url=https://web.archive.org/web/20220322014147/https://arstechnica.com/gadgets/2016/06/apple-pulls-ios-9-3-2-update-for-9-7-inch-ipad-pro-after-reports-of-bricking/ |url-status=live }}</ref>
=== iPhone 4S lawsuit ===
{{See also|Batterygate}}
Apple faced a lawsuit alleging its iOS 9 mobile operating software significantly slowed down the iPhone 4S. The lawsuit filed in New York federal court and first spotted by Apple Insider sought $5 million from Apple.<ref>{{Cite web |last=Guynn |first=Jessica |title=Apple sued for slowing iPhone 4S with iOS 9 upgrade |url=https://www.usatoday.com/story/tech/news/2015/12/31/apple-lawsuit-iphone-4s-ios-9-mobile-operating-system-upgrade/78134096/ |access-date=2022-03-22 |website=USA TODAY |language=en-US |archive-date=March 22, 2022 |archive-url=https://web.archive.org/web/20220322064305/https://www.usatoday.com/story/tech/news/2015/12/31/apple-lawsuit-iphone-4s-ios-9-mobile-operating-system-upgrade/78134096/ |url-status=live }}</ref><ref>{{Cite web |date=2015-12-30 |title=Class Action Lawsuit Accuses Apple of Slowing Down iPhone 4s With iOS 9 Update {{!}} iPhone in Canada Blog |url=https://www.iphoneincanada.ca/news/class-action-lawsuit-accuses-apple-of-slowing-down-iphone-4s-with-ios-9-update/ |access-date=2022-03-22 |language=en-US |archive-date=June 28, 2022 |archive-url=https://web.archive.org/web/20220628153824/https://www.iphoneincanada.ca/news/class-action-lawsuit-accuses-apple-of-slowing-down-iphone-4s-with-ios-9-update/ |url-status=live }}</ref><ref>{{Cite web |date=2016-01-03 |title=Apple Facing Lawsuit For Allegedly Forcing People To Buy Newer Models By Slowing Down iPhone 4s with iOS 9 |url=https://www.techtimes.com/articles/120915/20160103/apple-facing-lawsuit-for-allegedly-forcing-people-to-buy-newer-models-by-slowing-down-iphone-4s-with-ios-9.htm |url-status=live |access-date=2022-03-22 |archive-date=November 8, 2020 |archive-url=https://web.archive.org/web/20201108114627/http://www.techtimes.com/articles/120915/20160103/apple-facing-lawsuit-for-allegedly-forcing-people-to-buy-newer-models-by-slowing-down-iphone-4s-with-ios-9.htm }}</ref><ref>{{Cite web |title=Class Action Lawsuit Accuses Apple of Crippling iPhone 4s With iOS 9 Update |url=https://www.macrumors.com/2015/12/29/ios9-iphone-4s-lawsuit/ |access-date=2022-03-22 |website=MacRumors |date=December 29, 2015 |language=en |archive-date=March 22, 2022 |archive-url=https://web.archive.org/web/20220322064305/https://www.macrumors.com/2015/12/29/ios9-iphone-4s-lawsuit/ |url-status=live }}</ref>
=== Bluetooth ===
=== "30% battery bug" ===
Many users, especially those owning an iPhone 6s, reported that their phones would shut down automatically with 30% battery left.<ref>{{cite web|url=http://clark.com/technology/iphone-battery-drain-apple-bug/|title=Mysterious bug is still shutting down iPhones with 30% battery left|date=January 25, 2017|work=Clark Howard|access-date=October 28, 2017|archive-date=October 29, 2017|archive-url=https://web.archive.org/web/20171029064937/http://clark.com/technology/iphone-battery-drain-apple-bug/|url-status=live}}</ref> This issue was fixed with the release of iOS 10.3. As of the iOS 10.2.1 release, iOS throttlesthrottled CPU performance on iPhones with batteries in poor health. Due to poor communication from Apple on the addition of this feature, suspicions about [[planned obsolescence]] arose, which eventually led to the [[Batterygate]] controversy shortly after the release of iOS 11. As a result, Apple announced battery replacements would be $29 instead of $79.<ref>{{cite web|url=https://www.cnbc.com/2017/12/28/apple-batterygate-letter-full-text.html|title=Apple apologizes for iPhone slowdowns and offers $29 battery replacements|date=December 28, 2017|work=Anita Balakrishnan|access-date=January 24, 2018|archive-date=January 13, 2018|archive-url=https://web.archive.org/web/20180113153646/https://www.cnbc.com/2017/12/28/apple-batterygate-letter-full-text.html|url-status=live}}</ref> They also announced that iOS 11.3 would show battery health in the Settings > Battery menu and let the user decide if they wanted the previous 30% shutdown behavior or the throttled CPU.<ref>{{cite web|url=https://9to5mac.com/2018/01/24/ios-11-3-beta-1/|title=Apple releases first iOS 11.3 Developer beta for iPhone and iPad|date=January 24, 2018|work=Zac Hall|access-date=January 24, 2018|archive-date=January 24, 2018|archive-url=https://web.archive.org/web/20180124215214/https://9to5mac.com/2018/01/24/ios-11-3-beta-1/|url-status=live}}</ref>
=== Crash caused by 5-second video ===
=== Mail ===
Users with Outlook.com, Office 365, and certain [[Microsoft Exchange Server|Exchange]] accounts were unable to send email.<ref>{{cite web|url=https://support.apple.com/en-us/HT208136|title=If you can't send an email with iOS 11 and an Outlook.com or Exchange mail account|work=Apple Support|access-date=September 25, 2017|archive-date=September 26, 2017|archive-url=https://web.archive.org/web/20170926182313/https://support.apple.com/en-us/HT208136|url-status=live}}</ref> This has beenwas resolved with the release of iOS 11.0.1.<ref name="ios_11_0_1_exchange_fix">{{cite web|url=https://arstechnica.com/gadgets/2017/09/apples-ios-11-0-1-update-addresses-exchange-e-mail-server-issue|title=Apple's iOS 11.0.1 update addresses Exchange email server issue|author=Samuel Axon|date=September 26, 2017|website=[[Ars Technica]]|access-date=July 15, 2020|archive-date=July 27, 2020|archive-url=https://web.archive.org/web/20200727201659/https://arstechnica.com/gadgets/2017/09/apples-ios-11-0-1-update-addresses-exchange-e-mail-server-issue/|url-status=live}}</ref>
=== AutoCorrect ===
=== December 2 respring ===
A bug in iOS 11 was present that would cause the device's home screen to constantly crash if an app sendssent local notifications on or after 00:15 on December 2, 2017. Apple responded by releasing iOS 11.2 early, which fixed the bug.<ref>{{cite web|url=https://www.macrumors.com/2017/12/02/ios-11-1-2-date-bug-crash-loop/|title=Date Bug in iOS 11.1.2 Causing Crash Loop on iPhones as December 2 Hits [Updated]|date=December 2017 |access-date=December 2, 2017|archive-date=December 4, 2017|archive-url=https://web.archive.org/web/20171204081111/https://www.macrumors.com/2017/12/02/ios-11-1-2-date-bug-crash-loop/|url-status=live}}</ref>
=== Telugu character crash ===
=== Group FaceTime bug ===
{{main|FaceTime#Group FaceTime bug}}
A privacy issue was discovered when using [[FaceTime]] in iOS 12.1, that allowed users to [[eavesdrop]] the recipient with access to their camera and audio without them answering the call and their knowledge when adding another person to the call. As a result, Apple permanently disabled Group FaceTime entirely in iOS versions 12.1 to 12.1.3. An update was later released on 12.1.4 to fix the bug.<ref>{{Cite web|url=https://www.minicreo.com/ios-12-problems/|title='FaceTime Eavesdropping Issue' in iOS 12|last=Woods|first=Kelly|date=24 May 2019|access-date=24 May 2019|archive-date=April 11, 2022|archive-url=https://web.archive.org/web/20220411054349/https://www.minicreo.com/ios-12-problems/|url-status=live}}</ref>
=== Sending iMessages to the wrong contacts ===
iOS 12 mergesmerged conversation history for devices using a shared Apple ID, even if separate handles arewere used, such as unique phone numbers or email addresses. As a result, iMessages may have be delivered to the wrong device.<ref>{{cite web |url=https://mashable.com/article/apple-ios-12-merged-messages-wrong-contacts |title=Apple users claim iOS 12 is sending iMessages to the wrong contacts |website=Mashable |date=October 2018 |access-date=October 25, 2018 |archive-date=October 25, 2018 |archive-url=https://web.archive.org/web/20181025180555/https://mashable.com/article/apple-ios-12-merged-messages-wrong-contacts/ |url-status=live }}</ref>
=== iOS 12.3.2 update incompatibility ===
=== Battery drain issues ===
Some users were reportingreported excessive battery drain following the initial release of iOS 13. IOS 13.1.1 fixed the problem.<ref>{{cite news|last=Clover|first=Juli|date=September 27, 2019|title=Apple Releases iOS and iPadOS 13.1.1 With Siri and Battery Drain Fix, Keyboard Vulnerability Update and More|website=[[MacRumors]]|url=https://www.macrumors.com/2019/09/27/apple-releases-ios-13-1-1/|url-status=live|access-date=September 27, 2019|archive-url=https://web.archive.org/web/20191207070732/https://www.macrumors.com/2019/09/27/apple-releases-ios-13-1-1/|archive-date=December 7, 2019}}</ref>
=== Memory management issue ===
=== HomePod bricking issue ===
According to multiple people on the MacRumors forums and Reddit, the 13.2 update "bricked" their HomePods, rendering them unusable. Users who are seeingsaw problems are experiencingexperienced a "white swirl" on both of their HomePods, or an endless reset loop. As a result, the update for the HomePod was withdrawn by Apple.<ref>{{Cite web |last=Espósito |first=Filipe |date=2019-10-28 |title=Some users experiencing bricked HomePod after updating to iOS 13.2 [Update: pulled] |url=https://9to5mac.com/2019/10/28/some-users-experiencing-bricked-homepod-after-updating-to-ios-13-2/ |access-date=2022-03-21 |website=9to5Mac |language=en-US |archive-date=May 18, 2022 |archive-url=https://web.archive.org/web/20220518222510/https://9to5mac.com/2019/10/28/some-users-experiencing-bricked-homepod-after-updating-to-ios-13-2/ |url-status=live }}</ref><ref>{{Cite web |title=New 13.2 Update Bricking Some HomePods [Update Pulled by Apple] |url=https://www.macrumors.com/2019/10/28/new-13-2-update-bricking-some-homepods/ |access-date=2022-03-21 |website=MacRumors |date=October 28, 2019 |language=en |archive-date=March 14, 2022 |archive-url=https://web.archive.org/web/20220314070611/https://www.macrumors.com/2019/10/28/new-13-2-update-bricking-some-homepods/ |url-status=live }}</ref> Apple advised some users not to install iOS 13.2 on the HomePod and to not reset the HomePod after installing iOS 13.2.{{Citation needed|date=January 2024|reason="Apple advised some users not to install iOS 13.2 on the HomePod and to not reset the HomePod after installing iOS 13.2."}} This issue was fixed with the release of iOS 13.2.1.{{Citation needed|date=January 2024|reason="This issue was fixed with the release of iOS 13.2.1."}}
=== iOS 13.5 jailbreak ===
=== Default app setting reset ===
The ability to change the default app for messages, email, web browsing, or other services iswas reset to the stock app every time the device iswas reset or turned off.<ref>{{Cite web|last=Welch|first=Chris|date=2020-09-17|title=iOS 14 switches default apps back to Apple's Safari and Mail after a reboot|url=https://www.theverge.com/2020/9/17/21444035/ios-14-default-apps-setting-switches-back-safari-mail-bug|access-date=2021-01-30|website=The Verge|language=en|archive-date=February 9, 2021|archive-url=https://web.archive.org/web/20210209165509/https://www.theverge.com/2020/9/17/21444035/ios-14-default-apps-setting-switches-back-safari-mail-bug|url-status=live}}</ref> Apple attempted to fix the issue with iOS 14.0.1.<ref>{{Cite web|last=Krasnoff|first=Barbara|date=2020-09-24|title=Apple update fixes iOS 14 issue with default mail and browser apps|url=https://www.theverge.com/2020/9/24/21454861/apple-ios14-iphone-ipad-fix-default-mail-browser|access-date=2021-01-30|website=The Verge|language=en|archive-date=January 18, 2021|archive-url=https://web.archive.org/web/20210118171811/https://www.theverge.com/2020/9/24/21454861/apple-ios14-iphone-ipad-fix-default-mail-browser|url-status=live}}</ref>
=== General battery drain ===
=== Image capture issues ===
On iOS 16.0, a bug causescaused [[Image Capture]] to fail to import photos on computers running macOS Mojave and older. This was fixed in the iOS 16.1 update.<ref>{{Cite web |last=Leon |first=Jean |date=2022-10-25 |title=iOS 16 users unable to import photos via iTunes on macOS Mojave |url=https://piunikaweb.com/2022/10/25/ios-16-users-unable-to-import-photos-via-itunes-on-macos-mojave/ |access-date=2023-12-08 |website=PiunikaWeb |language=en-US}}</ref>
=== Activation issues ===
=== Copy and paste alerts ===
Some iOS 16 users were complainingcomplained about excessive alerts when copying and pasting content from multiple apps. Apple attempted to fix this issue in iOS 16.0.2, but according to some reports, it was only fixed in iOS 16.1.<ref>{{Cite web |last=Cross |first=Jason |title=iOS 16.0.2 brings important fixes to new, old iPhones |url=https://www.macworld.com/article/1073336/ios-16-0-2-iphone-14-camera-shake-copy-paste.html |access-date=2023-12-08 |website=Macworld |language=en}}</ref><ref>{{Cite web |last=Miller |first=Chance |date=September 20, 2022 |title=iOS 16.1 beta 2 no longer wants your permission to paste every single time |url=https://9to5mac.com/2022/09/20/ios-16-copy-paste-alert/ |access-date=December 8, 2023 |website=9to5Mac}}</ref>
=== Mail lockout ===
An Apple Mail bug caused a specifically crafted address in the "from" field to lock users out of Apple Mail on versions prior to iOS 16.0.3. This bug only appearsappeared to affect iCloud Mail. Apple fixed the issue in iOS 16.0.3.<ref>{{Cite web |date=2022-09-22 |title=iOS 16 Mail can be crashed by a specific 'from' field |url=https://appleinsider.com/articles/22/09/22/ios-16-mail-can-be-crashed-by-a-specific-from-field |access-date=2023-12-08 |website=AppleInsider |language=en}}</ref>
=== Camera app slowdowns ===
=== Missing notifications ===
Some users were reportingreported that incoming notifications (including calls) were not being displayed. This was fixed in iOS 16.0.3.<ref name=":0" />
=== CarPlay microphone issues ===
Prior to iOS 16.0.3, some CarPlay users were reportingreported low microphone volume when they spoke during phone calls with their iPhone connected to CarPlay. Apple fixed this issue in iOS 16.0.3.<ref name=":0" />
=== WiFi issues ===
Some users reportingreported that their WiFi connection was being lost after updating to iOS 16.1. Apple fixed this issue in iOS 16.1.1.<ref>{{Cite web |title=Apple releases iOS 16.1.1 with bug fixes and critical security updates |url=https://www.macworld.com/article/1375998/ios-ipad-16-1-1-bug-fixes-security-updates.html |access-date=2023-12-08 |website=Macworld |language=en}}</ref><ref>{{Cite web |date=2022-11-07 |title=Apple Preparing iOS 16.1.1 as Widespread Wi-Fi Bug Persists |url=https://www.macrumors.com/2022/11/07/apple-working-on-ios16-1-1/ |access-date=2023-12-08 |website=MacRumors |language=en}}</ref>
=== iPhone 14 Pro series "horizontal lines" issue ===
In December 2022, reports started to surfacesurfaced of an issue in the iPhone 14 Pro series. This issuethat caused horizontal lines to appear when said phones startstarted up. Apple fixed this issue in iOS 16.3.<ref>{{Cite web |date=2022-12-23 |title=iPhone 14 Pro Series Users Complain About Horizontal Lines on Display: Report |url=https://www.gadgets360.com/mobiles/news/iphone-14-pro-max-horizontal-lines-flashing-display-reddit-users-apple-community-forum-3632686 |access-date=2023-12-08 |website=Gadgets 360 |language=en}}</ref><ref>{{Cite web |last=Kelly |first=Gordon |title=Apple Confirms Display Problem For iPhone 14 Pro, iPhone 14 Pro Max Buyers |url=https://www.forbes.com/sites/gordonkelly/2023/01/17/apple-iphone-14-pro-max-screen-problem-horizontal-lines-ios-update-fix/ |access-date=2023-12-08 |website=Forbes |language=en}}</ref><ref name=":1">{{Cite web |last=Haslam |first=Karen |title=iOS 16 superguide: Everything you need to know about the latest version |url=https://www.macworld.com/article/631448/ios-16-features-compatibility-how-to-update.html |access-date=2023-12-08 |website=Macworld |language=en}}</ref>
=== Messages and Photos vulnerabilities ===
=== Storage issues ===
Some users reported that storage took over their space on iOS 16.4. When they tried to clear storage, Thethe storage willwould not free up. Apple fixed this issue in iOS 16.5.{{cn|date=March 2024}}
=== Weather app issues ===
Some users were experiencingexperienced Weather app issues on iOS 16.4. ItApple is believed that Applereportedly fixed this issue in iOS 16.4.1.<ref>{{Cite web |title=iOS 16.4.1 arrives with critical security updates, bug fixes |url=https://www.macworld.com/article/1780577/ios-16-4-1-bug-fixes-security-updates.html |access-date=2023-12-08 |website=Macworld |language=en}}</ref>
=== Screen Time issues ===
Some users were reportingreported that their Screen Time settings did not sync across devices. Apple has reportedly fixed this issue in iOS 16.5.<ref name=":1" />
== iOS 17 ==
=== iPhone 15 Pro thermal issues ===
AppleSome hasusers reported that some [[iPhone 15 Pro]] models were prone to overheating. Apple insisted that the overheating issue was related to a [[software bug]] and was not related to the new hardware or design in the [[iPhone 15 Pro]] models, which introduced a new titanium frame with an aluminum substructure to replace the stainless steel frame from the past several Pro models. Since iOS 17.0.3 was released, new reports have surfaced of other overheating issues not related to fast-charging. The issue was then resolved in iOS 17.1 after Apple fixed a software bug relating to the issue.<ref>{{Cite web |title=iPhone 15 Pro overheating: Thermal photos before and after iOS 17.0.3 |url=https://www.zdnet.com/article/iphone-15-pro-overheating-thermal-photos-before-and-after-ios-17-0-3/ |access-date=2023-10-23 |website=ZDNET |language=en}}</ref><ref>{{Cite web |title=New iPhone 15 Pro overheating reports: Still too hot after iOS 17.0.3 and fresh issues arise after the update |url=https://www.zdnet.com/article/new-iphone-15-pro-overheating-reports-still-too-hot-after-ios-17-0-3-and-fresh-issues-arise-after-the-update/ |access-date=2023-10-23 |website=ZDNET |language=en}}</ref>
=== iPhone 15 series display image persistence ===
Prior to the release of iOS 17.1, someSome users reported that their iPhone 15 series phones were experiencing [[screen burn-in]]. Apple fixed this issue with iOS 17.1, and clarified that the issue was [[image persistence]], as opposed to screen burn-in, which it was being referred to at the time. The difference is that screen burn-in is a hardware issue that requires a screen replacement, but image persistence can be fixed with a software update.<ref>{{Cite web |last=McGregor |first=Janhoi |title='Incredible' iOS 17.1 Update Has Fixed New iPhone 15 Screen Problem |url=https://www.forbes.com/sites/jaymcgregor/2023/10/20/incredible-ios-171-update-has-fixed-new-iphone-15-screen-problem/ |access-date=2023-12-03 |website=Forbes |language=en}}</ref><ref>{{Cite web |title=Your new iPhone 15 suffering from screen burn-in? Apple has some good news for you |url=https://www.zdnet.com/article/your-new-iphone-15-suffering-from-screen-burn-in-apple-has-some-good-news-for-you/ |access-date=2023-12-03 |website=ZDNET |language=en}}</ref><ref>{{Cite web |date=2023-10-19 |title=Facing "screen burn-in" on your iPhone 15 Pro? Apple has a fix for you |url=https://www.androidauthority.com/apple-iphone-15-pro-screen-burn-in-ios171-fix-3377611/ |access-date=2023-12-03 |website=Android Authority |language=en}}</ref>
=== Shutdown issues ===
Some users reported that their iPhones turned off temporarily at night, interrupting alarms and other iPhone features. This affectsaffected both iPhone 15 models and older devices{{Which|date=January 2024}} as well, suggesting that the bug iswas related to iOS 17.<ref>{{Cite web |date=2023-10-11 |title=Some iPhone Models Mysteriously Shutting Off at Night |url=https://www.macrumors.com/2023/10/11/iphone-models-turning-off-at-night/ |access-date=2023-10-23 |website=MacRumors |language=en}}</ref>
=== App switcher appears while typing ===
A hard-to-replicate bug causescaused the app switcher to appear during typing for some users. It iswas possible to work around this issue by disabling the ''Reachability'' feature.<ref>{{Cite web |date=2023-12-05 |title=iOS 17 Bug Switches Apps While Typing - How to Fix |url=https://www.macrumors.com/how-to/ios-17-bug-switches-apps-while-typing-fix/ |access-date=2023-12-08 |website=MacRumors |language=en}}</ref>
=== iOS 17.3 beta 2 boot loop ===
An issue with iOS 17.3 beta 2 caused devices to be in a constant boot loop after installing the beta, primarily affecting the iPhone 12–15 series phones. As a result, the beta was pulled three hours after release. According to some reports, this issue iswas related to the Back Tap feature.<ref>{{Cite web |last=Clover |first=Juli |date=2024-01-03 |title=Apple Pulls iOS 17.3 Beta 2 Due to Boot Loop Issue |url=https://www.macrumors.com/2024/01/03/apple-pulls-ios-17-3-beta-2/ |website=MacRumors |access-date=2024-01-08 |language=en}}</ref><ref>{{Cite web |last=Render |first=Josh |date=2024-01-04 |title=Apple pulls iOS 17.3 beta after just 3 hours due to boot loop chaos |url=https://www.tomsguide.com/news/ios-173-beta-pulled-due-to-booting-issues-heres-what-we-know |website=Tom's Guide |access-date=2024-01-08 |language=en}}</ref>
=== Text auto-completion issues ===
Users of iOS 17 were experiencing text auto-completion inserting duplicate or overlapping words, or words being inserted at the wrong spot. This behavior was fixed with iOS 17.3.1.<ref>{{Cite web |last=Clover |first=Juli |date=2024-02-08 |title=Apple Releases iOS 17.3.1 With Fix for Text Bug |url=https://www.macrumors.com/2024/02/08/apple-releases-ios-17-3-1-with-fix-for-text-bug/ |access-date=2024-03-13 |website=MacRumors |language=en}}</ref><ref>{{Cite web |last=Funk |first=Ben |date=2024-02-09 |title=Apple's Surprise iOS 17.3.1 Update Fixes Your iPhone's AI-Fueled Text Entry Woes |url=https://hothardware.com/news/ios-17-text-entry-bug-fix |access-date=2024-03-13 |website=HotHardware |language=en-us}}</ref><ref>{{Cite web|title=About iOS 17 Updates|url=https://support.apple.com/en-us/109043#:~:text=com/kb/HT201222-,iOS%2017.3.1,-This%20update%20provides|access-date=2024-03-13|website=support.apple.com|language=en|archive-url=https://web.archive.org/web/20240313084254/https://support.apple.com/en-us/109043|archive-date=2024-03-13}}</ref>{{Non-primary source needed|date=March 2024}}
=== Photos reappearing ===
| 