"iPhone 6 black screen after screen change and iOS 12 update"に関する回答Ur phone if its an orginal wont copup with duplicate replacement.
"[SM-T377P] Low amperage when charging. Battery? Port?"に関する回答Amp depends but mostly it will be the socket or the battery. Try removing the battery from mother board and wait for few sec then try to on it with battery. @alenbinu_
"Phone won't accept charge/turn on"に関する回答FIX YOUR PHONE Remove the cover and then disconnect the battery and hold on power key then charge the phone without battery for 7 sec and then clean the battery plugs not with water dry cloth and then connect your phone this is because of a minor power failure in motherboard and keep the phone for charging. your problem is fixed! insta: alenbinu_