There are four basic hardware-related reasons why your Samsung Galaxy A03s might charge slowly and I will explain each one in turn and in ascending order of probability.
- There is dirt or debris stuck in the charging port.
- The charger is damaged or defective.
- The USB cable is no longer working properly.
- You are using a non-genuine charger.
In the image below we will share with you the Samsung Galaxy A03s charging diagram and test its jumper continuity using a multimeter if any damage damages the jumper on the board Motherboard Samsung A03S SM-A037.
- First, open your cell phone
- Then clean the charging connector part of the mobile motherboard
- Next, remove the old charging connector and add a new one