This isn't the regular "onda got bad battery". My v712 was fine before I updated to 4.1.1. It draw hardly any battery with the screen turned off, could lay untouched for a week at least. Now I would be surprised if it would make 4 hours because of the "Cell Standby" drain.
This isn't the regular "onda got bad battery". My v712 was fine before I updated to 4.1.1. It draw hardly any battery with the screen turned off, could lay untouched for a week at least. Now I would be surprised if it would make 4 hours because of the "Cell Standby" drain.