Restoring my iPhone life time

crwdns2853023:0crwdne2853023:0

It can shutdown suddenly, especially when browsing or taking picture. Battery level drops 20~30% in few hours doing nothing.

crwdns2853024:0crwdne2853024:0

Everything went well. The battery life is much better now.

crwdns2853025:0crwdne2853025:0

Keep dropping the small black ground clip when trying to put it back. A tweezers is not specified on the required tool as it helps to put back the small black ground clip on the top screw.