Samsung Galaxy S8 Grey Battery Shows Up

Is a gray battery icon showing up on your Galaxy S8 or Galaxy S8 Plus? This is a rare issue, but some users have reported it recently. The Gray battery issue usually appears when you try to charge your device, but the phone is broken in some way and won’t charge.
 
Why the problem occurs
The main reason why this Gray battery issue appears is because the cable, port, or the battery has been damaged in some way. As a result, the Galaxy S8 doesn’t charge. It’s a safety feature that’s designed to keep the battery and smartphone from breaking or malfunctioning.
We’ve shared some tips on how you can fix this issue below.
 
Remove the battery
It’s not easy to remove the battery on the Galaxy S8 or the Galaxy S8 Plus, but it may fix the issue. Some users that received the Gray battery error found that the issue was resolved after they removed the battery and then placed it back in their device.
 
Changing Cables
In some cases, it may be that your current charging cable is damaged. If this is the case, you can simply try a new charging cable to see if the issue has been fixed. You may also want to try a new charging plug.
 
Clear the USB Port
Sometimes the USB port may get blocked by dirt or debris. If you think this may be the case, you may need to carefully clean the port with a cotton Q tip.
 
Execute a Low Battery Dump
Alternatively, follow the steps below to execute a low battery dump.

1. Switch the phone on.
2. Open the Dialer app.
3. Dial the following code *#9900.
4. A new screen will appear after dialing. Tap “Low Battery Dump.”
5. Tap to turn it on.
6. Next, tap “Wipe Cache Partition.”

 
After you follow the steps above, you should know how to fix the gray battery problem when it shows up on your Samsung Galaxy S8 or Galaxy S8 Plus.