Hello.The software version is installed on your phone.P2lite_blackview_201706221607.The phone is reset to the factory setting.The battery is charged 100%, the phone is uncharged.Using the phone for several hours, the percentage of battery charge does not change.
In the engineering menu there is no information about the battery. To measure the voltage and current of the battery was a third-party program. The voltage of the battery is 4.38 -100% of the charge. The voltage drop is up to 4.20 -100%. This is not correct !!!