Smartphones and tablets are essential for everyday life — for communication, entertainment, and work. But like computers, they can experience performance issues, app crashes, network problems, and system errors.
This
UltraTechGuide article will teach you how to troubleshoot common mobile
and tablet issues — whether you use Android or iOS (iPhone/iPad)
— and restore your device to top performance.
🔍 1. Common Mobile and Tablet Problems
|
Issue |
Description
/ Symptom |
|
Slow performance |
Apps lag, system freezes, or
delayed response |
|
Battery drains quickly |
Power runs out faster than normal |
|
App crashes or won’t open |
Specific apps stop working or
close automatically |
|
Wi-Fi or mobile data not working |
Connectivity issues or no Internet |
|
Overheating |
Device becomes hot during use |
|
Storage full |
“Insufficient storage” message
appears |
|
Screen freezing or unresponsive
touch |
Display stops responding |
|
Bluetooth, GPS, or camera
malfunction |
Hardware features not working
properly |
⚙️ 2. Fixing Slow Performance
Step 1: Close Unused Apps
- Open Recent Apps → swipe
away unnecessary ones.
- Background apps consume RAM and
CPU resources.
Step 2: Clear Cache
- Android:
- Go to Settings → Storage →
Cached data → Clear cache
- Or clear cache per app: Settings
→ Apps → App Info → Storage → Clear Cache
- iOS:
- Offload unused apps: Settings
→ General → iPhone Storage → Offload App
Step 3: Update Software
- Android: Settings → System → System Update
- iOS: Settings → General → Software Update
Updates include bug fixes and performance improvements.
Step 4: Factory Reset (Last Resort)
- Backup data → Settings →
System → Reset → Factory data reset.
This removes deep-seated issues but erases all data.
🔋 3. Fixing Battery Drain Issues
1.
Check
Battery Usage:
o
Android: Settings → Battery → Battery Usage
o
iOS: Settings → Battery → Battery Health & Charging
Identify apps using too much power.
2.
Turn On
Battery Saver Mode:
Reduces background sync and brightness.
3.
Disable
Unnecessary Features:
Turn off Bluetooth, GPS, or mobile hotspot when not in use.
4.
Avoid Full
Discharge:
Keep battery between 20%–80% for long life.
🌐 4. Fixing Internet and Connectivity Problems
Wi-Fi Not Connecting:
- Restart router and phone.
- Forget and reconnect to Wi-Fi
network.
- Toggle Airplane mode ON and
OFF.
- Reset network settings:
- Android: Settings → System → Reset → Reset Wi-Fi, mobile
& Bluetooth
- iOS: Settings → General → Transfer or Reset iPhone →
Reset Network Settings
Mobile Data Not Working:
- Check if Mobile Data is
ON.
- Reinsert SIM card.
- Verify APN settings with
your network provider.
🧊 5. Fixing Overheating Problems
- Avoid using device under direct
sunlight.
- Close background apps and
games.
- Remove thick cases during
charging.
- Stop charging while gaming or
streaming videos.
- Use original chargers to
prevent heat damage.
🧹 6. Fixing Storage and App Issues
Free Up Space
- Delete old photos, downloads,
and unused apps.
- Use cloud storage
(Google Drive, iCloud, OneDrive).
App Crash Fix
- Android: Settings → Apps → [App Name] → Storage → Clear
Cache / Clear Data
- iOS: Reinstall the app from the App Store.
📶 7. Fixing Bluetooth, GPS, and Camera Errors
1.
Bluetooth
Not Pairing
o Delete paired devices → re-pair again.
o Restart both devices.
o Check for Bluetooth permission in app settings.
2.
GPS Not
Accurate
o Enable High Accuracy Mode: Settings → Location →
Mode → High accuracy.
o Calibrate compass in Google Maps (move in “8” pattern).
3.
Camera Not
Working
o Restart the device.
o Clear app data for Camera.
o Check if another app is using the camera (like Instagram or
Zoom).
🧰 8. Advanced Fixes
|
Tool /
Option |
Purpose |
|
Safe
Mode (Android) |
Starts phone with essential apps
only — good for identifying app conflicts. |
|
iTunes
or Finder Restore (iOS) |
Reinstall iOS to fix severe
software corruption. |
|
ADB
Commands (Android) |
Used by advanced users to debug or
reset devices. |
|
Recovery
Mode |
For system repair and factory
resets. |
🧠 9. Preventive Maintenance Tips
1.
Keep Apps
Updated: Prevent compatibility and security
issues.
2.
Avoid
Installing from Unknown Sources:
Reduces malware risk.
3.
Use
Antivirus Apps: For Android, use reliable options
like Avast or Bitdefender.
4.
Restart
Regularly: Clears cache and refreshes
background services.
5.
Backup
Data: Use cloud or external storage
weekly.
✅ 10. When to Seek Professional Help
If
the device:
- Reboots endlessly (boot loop),
- Has a swollen battery,
- Shows “No IMEI” or “No
Service,” or
- Doesn’t power on even after
charging,
…it’s
time to visit a certified technician or service center.
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