There are three possible reasons for slow charging.
Reason 1: The slow charging of the mobile phone may be the data cable or charging head damage, it is recommended to replace the fast charger.
Reason 2: There may be a problem with the mobile phone system leading to the fast charging protocol is not started, it is recommended to update the system or go to the millet home to continue after-sales maintenance.
Reason 3: The mobile phone will generate a certain amount of heat when charging or running applications in the background. If the mobile phone continues to run applications in the background while charging, the high temperature will affect the charging speed of the mobile phone. It is recommended to close the application running in the background of the mobile phone before continuing to charge.
Red rice k40 fast charge slow causes and solutions:
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1, use the standard charger. The standard charger has been tested by the factory for a long time and is fully up to the requirements, safe and efficient. Instead of the standard charger, without any test, it is likely to lead to various problems.
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2. Close the background running program. Background running programs, especially large programs, so that the phone is in a state of discharge, if you want to shorten the charging time, you can first clean up with a key, and then charge.
Redmi k40 game version supports fast charging, slow charging should check whether the data line interface is fully inserted, whether there is damage