Its bettry i think u can do one thing on power suply do power you bettry on 4.2 v for 1mint it after that if its works then that was bettry if not let me know Bilal68181@gmail.com
Hi, Better to wash your bord with patrol first if same then check doc with metar the points are ok if not change doc u will be ok Regards, Bilal68181@gmail.com
May be u did mistake in putting back check out u surly went ok while assambly your phone i thing jeck is not properly fitted chech all lcd and touch jecks Regards, Bilal68181@gmail.com
How did u clean ? Try to clean with patrol as well as try to change your battry if not working replace your lcd and let us know if problem is still Regards
If u having signal problem do following things 1 :try software mostly 80% having softwere problems in this case u can try to jail break them and them if same not working try to downgrade coz i ph3 and 3gs some time make troubles on 5.1.1 or up so max keep ur phone below 5.1.1 softwere virsion 2: check signal entina try to resold with heat gun and then clean with chemcial or patrol aslo clean golden plates with patrol better to clean all you bord Hope u will get signals.. Regards, Bilal68181@gmail.com