i can’t update apps

A request for another Apple ID password is often caused by updates to apps/purchases that were made when using the other ID. Those purchases are tied to the other ID and can't be transferred. One option is to delete the apps/purchases made by the other ID and download them using the new ID if desired. If necessary, check your purchases history to see which apps/purchases weren’t made by the current ID. 

Purchase History Review.   

i can’t update apps Said:

"i can’t update apps: it says that’s my password is wrong when i try to update apps but i can download apps with that password and idk what to do??"

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Copy & Paste the Password:

Sign out of iCloud and then Sign Back in. Next, update an app, using the password you copied, by pasting it into the password box.