My LG G3 suddenly powered off then when I turn back on it stuck on a blue screen then powered back off. I removed the battery for 3 days and when I start to back it on it won't open and even charge. any solutions? thanks!
Welcome to Android Central! That sounds like a significant hardware failure. There may not be much you can do, if the warranty has expired. If you send it in to LG or bring it to a repair shop, you'd probably have to pay for a motherboard replacement.