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I had my ipad pro 12.9" dropped and the screen was broken … First i changed the screen but i realized that the left part of the screen has a particular part not responding to touch. … They told me i have to change ic tag … After changing it i found the ipad is restarting on its own every short time …. And just after restarting the battery shows 1% charge percentage although it may be fully charged ! … After seconds it returns to the real percentage ….. And then after short time it restarts again …. And so on !! How can i overcome this ?! Is that the screen problem ?? Or the ic ??? Thanx in advance

Did you change the screen and IC yourself or was this done in a shop? If it was done in a shop, then you should go back and show them the problem and ask them to take a look at it. It should be covered under their warranty. If you did this repair yourself, then take a close look at the work you did. When replacing IC’s, sometimes adjacent parts can get partially or fully dislodged or bridged. Also, sometimes the IC will not seat properly and the soldered connections will be incomplete.