iPad home button getting hot when locked
Hi - I have been using my iPad (5th Gen) for the last 4 years and it has the latest OS (v15.1). Couple of days suddenly when I unlocked the iPad it displayed a message "Unable to activate touch id for this iPad". Since then the home button is getting unusually hot when the iPad is in a locked state (even when it is not charging). The temperature goes back to normal when I start using it. Touch id is not working and I am not able to register any new fingerprint as well (shows a message it is unable register any new print). I have tried factory reset but it did not help. Does anyone have any idea what maybe going wrong here? Thanks - Pbasuray
iPad, iPadOS 15