Apps won't update on iPhone 6s Plus; unknown account

I can’t update my WhatsApp messenger and other apps on my iPhone 6s Plus iOS 15.8.7 . When I try to update them a different account shows up which I don’t know of. I tried signing in many times but the issue is still the same.

I

will be glad if this issue is resolved


[Edited by Moderator]

iPhone 6s Plus, iOS 15

Posted on Apr 7, 2026 3:32 AM

Reply
1 reply

Apr 7, 2026 4:07 AM in response to Dedaughter

The iPhone 6s Plus is no longer supported by Apple.


whatsapp may not be available on your version of IOS.


here is a guide to installing old updates.


first go to your Apple ID.


then go to apps and purchase history.



go to your (or your family members) purchases.


then search your app and install. It will install the latest available update.




please ignore my crooked scribbling.

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Apps won't update on iPhone 6s Plus; unknown account

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.