iPhone 6s plus battery drain
Hello, I’m troubleshooting the battery drain issue on my iphone 6s Plus. first I thought it was the battery which showed the capacity of 81% so I went ahead and replaced the battery but the issue still remains.
To rule out bad battery, I tried this new battery on another iphone 6s Plus and second phone does not show battery drain issue so I know there is something going on with my phone.
I was wondering other than replacing the battery itself, would there be any other parts (battery related such as connector perhaps? or etc), that I can attempt to replace to fix the issue?
your feedback in appreciated!
Brian