Samsung Galaxy S21 Series Troubleshooting
Find comprehensive solutions to common issues with your Samsung Galaxy S21, S21+, S21 Ultra, and S21 FE. Our detailed guides cover battery problems, charging issues, display concerns, connectivity, and more.
Compatible Models
Device Family: Samsung Galaxy S Series
OS: Android
Processor: Exynos 2100 / Snapdragon 888 (Varies by region/model)
Key Features: High refresh rate display, advanced camera system, 5G connectivity, and optimized performance.
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Battery Guides
Battery draining faster than expected
Device loses charge rapidly during normal use
Battery health degraded
Low maximum capacity percentage shown in Settings
Battery stuck at 100%
Battery percentage remains at maximum and won't decrease
Battery won't charge or not charging
Device stays at same percentage or charges very slowly
Battery percentage jumps unexpectedly
Battery jumps from one percentage to another without gradual decrease
Still need help?
If you cannot find a solution to your problem above, try these general troubleshooting steps:
- Restart your Samsung device (power off and back on)
- Update to the latest Android version
- Reset network settings (Settings → System → Reset Options → Reset Network Settings)
- Clear cache and temporary files
- Perform a factory reset as a last resort