battery. For optimal performance, calibrate If your newly installed battery by first draining it below 10%, then charging it uninterrupted to 100%. is swollen, [https://www.ifixit.com/Wiki/What_to_do_with_a_swollen_battery|take appropriate precautions|new_window=true]. [ … ] This guide instructs you to detach the front panel assembly; this is intended to prevent damage to the display cables. If you feel comfortable supporting the display carefully while peeling the battery out of the iPhone, you can skip the display removal and go directly to the battery removal steps. [ … ] YouFor optimal performance, calibrate your newly installed battery by first draining it below 10%, then charging it uninterrupted to 100%. [ … ] You can also use this guide to replace the '''[https://www.ifixit.com/Guide/iPhone+6s+Battery+Replacement/56607#s120318|battery '''[guide|56607|battery connector bracket]'''. bracket|stepid=120318]'''.