Hello! I'm trying to calibrate my Lumia 920 to see if it will improve the battery life and it's taking a long time. It has been over an hour or two and it's still at the part where it shows the battery symbol and shuts down. Thanks in advance!
There's an option to do that? o.o?
Hello! I'm trying to calibrate my Lumia 920 to see if it will improve the battery life and it's taking a long time.