Check your charging cable and adapter: Make sure that your charging cable and adapter are working properly and are compatible with your phone. If they are damaged or not the correct ones, it may affect the charging speed.Enable Fast Charging: Check i...
Based on your description, it seems that the problem is related to the software or firmware of your phone, particularly after the Oneui 5.1 upgrade.Since you have already tried factory resetting your phone and even went to the Samsung service center,...