Performance
⚙️
Device overheating or getting too hot
Symptoms
- ✓Phone feels excessively warm during normal use
- ✓Issue present on Samsung Galaxy S21, S21+, S21 Ultra, and S21 FE model
- ✓Problem started recently or suddenly
- ✓Affects multiple functions or specific scenario
- ✓Occurs with and without Wi-Fi/Cellular enabled
Common Causes
- •Software bug or glitch in current Android version
- •Hardware malfunction specific to Samsung Galaxy S21, S21+, S21 Ultra, and S21 FE
- •Corrupted cache or temporary system files
- •Background processes consuming resources
- •Recent app installation or update causing conflict
- •Low available storage affecting system performance
Quick Fixes
- 1.Restart your device - hold side button and slide to power off, wait 30 seconds, then turn on
- Restart your device - hold side button and slide to power off, wait 30 seconds, then turn on
- 2.Update to latest Android version available
- Update to latest Android version available
Advanced Solutions
1. Reset network settings in Settings → General Management → Reset
- Step 1: Reset network settings in Settings → General Management → Reset
2. Clear app cache by uninstalling and reinstalling problematic app
- Step 1: Clear app cache by uninstalling and reinstalling problematic app
3. Force quit background apps using Recent Apps
- Step 1: Force quit background apps using Recent Apps
4. Reset all settings without erasing data
- Step 1: Reset all settings without erasing data
5. Perform factory reset if issue persists after all steps
- Step 1: Perform factory reset if issue persists after all steps
FAQ
Why is my phone running slowly?
Close background apps, clear cached files, disable animated wallpapers, and reduce widget count. Restart your device if slow performance persists.
How do I check if my phone has malware?
Use Samsung's built-in security app, run a system scan, or install a reputable antivirus app. Uninstall suspicious recently-installed apps.
What causes my phone to freeze or crash?
Update all apps, clear app cache, disable problematic third-party apps, and restart your device. If crashes continue, perform a factory reset.
How can I improve performance?
Enable Battery Saver mode, limit background apps, reduce animation speed, disable live wallpapers, and keep your OS updated.