Some users reported to having encountered the grey battery problem after the phone dropped. The main reason for your Galaxy S8 or Galaxy S8+ Plus not charging is as a result of a damaged cable or a charging port. The other reason could be dust or debris inside the charging port therefore not allowing for a proper connection.
Clean the USB port
Another common problem associated with the Galaxy S-series not charging via the USB is a blocked connection. Often there will be something that is blocking the connection to your smartphone. It might be debris, lint or dirt that is hindering the connection. A good fix for this is by placing a small paper clip or a needle then moving it all around your USB charging port to clean everything. Most of the time, this is normally the main issue connected to your Galaxy smartphone not charging. However, it’s important to note that when you are cleaning the USB port, you might damage everything so clean out the dirt gently.
Completing a system mode dump allows you to debug the panel as well as execute the various functions. There are also crucial functions to ensure a boost to your network speed. The following procedure will help you complete a system dump.
- Scroll down to ‘’Dialler’’
- Type in *#9900#
- On the bottom of the screen, select ‘Low battery dump’
- Then press ‘’turn ON’’
See an authorized technician
If none of the fixes highlighted above fix your problem, the best solution would be to take your Galaxy smartphone to an authorized Samsung Technician. Your smartphone might just be in need of repair and they might be able to provide you with the necessary replacement under the rules of the warranty.