There are a few underlying hardware-related reasons why your Samsung Galaxy M21 M215 might charge slowly and I will explain each one in turn and in ascending order of probability.
- The phone can be damaged by water.
- Dust particles may be present in the charging connector.
- Your charger may be faulty.
- The connection to the phone may have been lost.
- The phone was practically damaged.
- One of the capacitors may be faulty.
- The charging IC may be faulty.
Solution to fix Samsung Galaxy M21 that won't charge
In the image below we will share with you how to charge Samsung Galaxy M21 and check the jumper continuity using a multimeter if there is any damage to the jumper on Samsung motherboard Galaxy M21 M215.
- First, open your cell phone
- Then clean the charging connector part of the mobile motherboard
- Then remove the old charging connector and add a new one