TestFlight links personal ID, not business, after update

Question

Level 1

4 points

TestFlight links personal ID, not business, after update

Subject: TestFlight Incorrectly Linking to Personal Apple ID After Latest Apple Updates.

My app has never been associated with my personal Apple ID - this is exactly why I use a Business/Managed Apple ID for all development‑related work. However, after the most recent apple updates, TestFlight has started creating conflicts between these accounts.

Current situation:

The App Store is correctly linked to my personal Apple ID, as expected.
TestFlight, which should be tied to our Business/Managed Apple ID for internal testing, is now incorrectly linked to my personal Apple ID.
App Store Connect and our developer account remain correctly associated with the Business/Managed Apple ID.
I should not be required to sign out of my personal Apple ID on the device just to use TestFlight with the Business/Managed Apple ID. This has never been required before, and signing out risks data loss if a full backup hasn’t been done.
Attempting to switch accounts inside TestFlight results in an “internal error,” making it impossible to redeem TestFlight codes or continue our testing workflow.
I’ve already tried deleting our app, deleting and reinstalling TestFlight and removing all personal email accounts associated with Apple Developer. TestFlight still forces the personal Apple ID.

If anyone has any recommendations other than signing out of my personal account, I would really appreciate it.

Thank you!

iPhone 13 Pro, iOS 26

Posted on Jan 12, 2026 12:58 PM

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Answer 1

MrHoffman

Level 10

146,203 points

Jan 12, 2026 1:08 PM in response to Zeedeo

Yes, sign out of your personal account.

Here is the TestFlight forum: TestFlight | Apple Developer Forums

An (old) related discussion pointing to the Apple App Store Apple Account, which matches what was reported:

https://stackoverflow.com/questions/28488108/specify-different-email-address-for-test-flight

Failing that, contact Developer Support: Support - Apple Developer

Or log your feedback with Apple Developer Support, as AFAICT TestFlight is working as Apple intends using the Apple Account that’s logged into the App Store.

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Answer 2

MrHoffman

Level 10

146,203 points

Jan 12, 2026 1:45 PM in response to Zeedeo

Zeedeo wrote:

@Mrhoffman Hey! You shouldn’t need to log out of your personal account just to use your business account for TestFlight or Apple Developer. We never had to do that before, so the idea that you now have to log out every time you want to access your Apple business account makes absolutely no sense.

This has to be triggered by Apple itself, because ever since their latest update it’s been causing bugs on the account‑switching side.

It’s been longstanding TestFlight behavior AFAIK (see the previously-included link from a ~decade ago)…

…this is the user-to-user forum and not the developer-focused forum (wrong audience), …

…got tools feedback for Apple then tell the folks at Apple or (or this case) tell the folks at Apple Developer Support (as Apple may or may not read replies around here, and only very seldom replies) (they’re more likely to read the developer forum postings) (links above)…

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Answer 3

Zeedeo Author

Level 1

4 points

Jan 12, 2026 1:27 PM in response to MrHoffman

@Mrhoffman Hey! You shouldn’t need to log out of your personal account just to use your business account for TestFlight or Apple Developer. We never had to do that before, so the idea that you now have to log out every time you want to access your Apple business account makes absolutely no sense.

This has to be triggered by Apple itself, because ever since their latest update it’s been causing bugs on the account‑switching side.

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