原帖由： Oscar ,
Hi The non-original Miui Roms that bring some phones are extremely bad. You can go all the wrong phone and be the fault of the Rom. Before looking at the hardware, try to change Rom. The most reliable sites for me are miui.eu and xda dev. [http://miui.eu/|http://miui.eu/] [https://forum.xda-developers.com/android/general|https://forum.xda-developers.com/android/general] Luck!