My Sony Xperia z3 dose charge but dose not display on screen or by the charging indicator the screen dose flash thou when I plug in and it makes a noise so I know it charges also my phone ushally stays on 50% all the time now or if it's not it will randomly change percentage unless I push were the battery connects to the motherboard hard this fixes this problem and the one above so if I replace my battery will it fix these problems or will I need to fix something els I have already tried factory resetig also if my phone dies when I plug it in it charges for a second stops then started agean and so on on till it eventually boots up dose any one know is the problem the battery
