New things discovered
when phone normally working (on the netw.) everything ok.
battery is empty and phone tell me it (when I look at info in phone about time to work-it show me 0h in standby 0h0m to call)
after incomming call phone switch off (battery voltage was 3,5V)
I tryed to switch it on again-phone looks to work ok (info in phone tell me that I have 0h stand by and 0h4m for call)
After hour phone switch of and battery voltage was 3,25V - After this I can't switch on phone
Any idea?
thank U