This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 34%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKA%3C/text%3E%3C/svg%3E)
A couple of my apps and also a brand new created test app all get the same error when I try to deploy to either of my iPhone 6 devices. It also takes a very long time for the error to finally occur and the build to stop. I can say the following things that rule out several issues:
Please let me know the ___location of any logs that could help on either the Windows or Mac machine.
Actually doing the deployment straight to the iPhone 6 from XCode was the last thing I did, and now my regular deployments from VS on Windows work great. Deploying from XCode must have fixed something.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 88%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
Glad to hear that the issue has been resolved.As an Original Poster(you) cannot accept his own answer. Can I repost your answer so that you will be able to accept the answer. Doing so will assist other community members facing similar situations in finding the right solution. Your feedback is highly valuable to us. Thank you!
I don't know if deploying with XCode actually fixed the problem, because the problem has come back and now deploying with XCode doesn't help. I don't know what did fix the problem and I'm stuck again.
Now it's started working again a few hours later. No idea why. Great.
Hi Kevin Anderson
Glad to hear that the issue has been resolved.As an Original Poster(you) cannot accept his own answer. Can I repost your answer so that you will be able to accept the answer. Doing so will assist other community members facing similar situations in finding the right solution. Your feedback is highly valuable to us. Thank you!
I'm glad that you were able to resolve your issue and thank you for posting your solution so that others experiencing the same thing can easily reference this! Since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others ", I'll repost your solution in case you'd like to accept the answer.
Ask: When I try to deploy to an iPhone 6 running iOS 12.5.7 I get: error MT1006: Could not install the application ... on the device 'iPwn Nova': Device is invalid (0xe8000084).
Solution: The issue is resolved. Actually doing the deployment straight to the iPhone 6 from XCode was the last thing I did, and now my regular deployments from VS on Windows work great. Deploying from XCode must have fixed something
If I missed anything please let me know and I'd be happy to add it to my answer, or feel free to comment below with any additional information.
If you have any other questions, please let me know. Thank you again for your time and patience throughout this issue.
Please don’t forget to Accept Answer and Yes for "was this answer helpful" wherever the information provided helps you, this can be beneficial to other community members.
Thank You.