had to send n80 back to 3 network because every time connected charger i kept getting message not charging.so sent phone back minus back cover and battery and they sent me a new phone,however connected charger got same message not charging.looked at charger and it says its output is 3.7,then brother suggested trying his n95 charger which has output of 5.0 and it worked perfect ,could it be that after all this trouble its the battery thats at fault or is it the phone? please help first n80 i no nothing!