When I have tried to charge by power port with 220v original charger, no succes. Then I went with usb port on computer it is OK.
Battery is decreasing rapidly when I usi it, unless I keep the usb connected.
Question1: May I have to replace the battery ? and to found one where ? Or the charger (maybe the connection port end) is worn

Question2: Still running the version 14142, do you recommend to upgrade with the latest firmware.
Thank you for help. Brgds to ADMIN and all
