After the oppo r11 mobile phone changes the screen assembly, it does not support fast charging and the more it is charged, it can only charge slowly.

After the screen assembly of the mobile phone is changed, fast charging is not supported and the more and less it is charged, so it can only be slowly charged. According to your description, it is recommended to back up important data files in the mobile phone and take the mobile phone to the local customer service center for testing and repair.