vivo v15 mobile is turning on and off while charging the phone is on and when unplugged from 4 the phone turns off then the solution to this problem is mainly from the power supply and the battery. Also, even if the phone is half short, this problem is coming, so what we need to do at this moment is to check the battery first, if we can fix the problem in the battery, then it will be done. If there is no problem in the battery then we have to work on the power supply IC or we have to check if there is a half short and cut the half short in the board then the problem with this phone was the main There was a problem from the battery, a circuit of the battery known as resistance was jumpered, the registration was just faulty, that's why the voltage was sometimes full and sometimes less.Coming to the battery connector, in that case, the phone turns on as soon as we jump the register and through this video, the disassembly process of the Vivo V15 mobile is shown, and it is also open.Efforts how to be careful while opening the bacchanal are all told in this video.