Vivo phone not detecting SIM card or showing “No SIM” error? SIM detection issues on Vivo devices can be caused by software glitches, SIM card problems, or network settings, but most are easily fixable.
Here are 8 step-by-step methods to fix SIM detection problems on all Vivo phones running Funtouch OS.
Quick SIM Card Fixes
1. Restart Your Vivo Phone
- Hold Power button → Restart
- Wait for complete reboot
- Check if SIM is detected after restart
- Simple restart fixes many temporary SIM issues
2. Remove and Reinsert SIM Card
- Turn OFF phone completely
- Use SIM ejector tool to remove SIM tray
- Check SIM card for damage, dirt, or scratches
- Clean SIM card with dry cloth if needed
- Reinsert SIM properly in tray
- Turn ON phone and check detection
3. Check SIM Card Placement
- Ensure SIM card is placed correctly in tray
- Gold contacts should face down
- SIM should fit snugly without forcing
- Check if using correct SIM size (nano/micro)
Vivo-Specific Solutions
4. Reset Network Settings
- Settings → System management → Reset options → Reset network settings
- Enter lock screen password if prompted
- Confirm reset (will erase WiFi passwords)
- Restart phone and test SIM detection
5. Check Dual SIM Settings (If Applicable)
- Settings → Network & internet → SIM cards & mobile networks
- Check both SIM slots are enabled
- Try switching SIM to different slot
- Set preferred SIM for calls and data
- Ensure “SIM card 1/2” is turned ON
6. Update Carrier Settings
- Settings → System update → Check for updates
- Install any available Funtouch OS updates
- Carrier settings often update with system updates
- Restart phone after update
Network Configuration Fixes
7. Manually Select Network Operator
- Settings → Network & internet → Mobile network
- Network operators → Search networks
- Select your carrier manually from list
- Wait for registration (may take 2-3 minutes)
8. Check APN Settings
- Settings → Network & internet → Mobile network → Access Point Names
- Verify APN settings match your carrier:
- Jio: JIONET
- Airtel: airtelgprs.com
- Vi/Vodafone: www
- BSNL: bsnlnet
- Reset to default if settings are wrong
9. Toggle Airplane Mode
- Turn ON Airplane mode for 30 seconds
- Turn OFF Airplane mode
- Wait for network to reconnect
- Check SIM detection
Advanced Troubleshooting
10. Clear Phone App Cache
- Settings → Apps → Phone → Storage → Clear cache
- Settings → Apps → SIM Toolkit → Storage → Clear cache
- Restart phone after clearing cache
11. Check SIM Card in Another Phone
- Test SIM card in different phone
- If works in other phone → Vivo phone issue
- If doesn’t work → SIM card problem
- Contact carrier if SIM card is faulty
12. Factory Reset (Last Resort)
Before resetting:
- Backup all data to Vivo Cloud or Google
- Note down important app data
Reset process:
- Settings → System management → Reset options → Erase all data
- Confirm reset and wait for completion
- Set up phone and test SIM detection
Hardware-Related Checks
13. Inspect SIM Tray and Slot
- Check SIM tray for damage or bending
- Look inside SIM slot with flashlight
- Ensure no debris or dust in slot
- SIM pins should be straight and clean
- Don’t force SIM tray if it doesn’t fit easily
14. Test with Different SIM Card
- Borrow SIM card from friend/family
- Test if Vivo phone detects different SIM
- If detects other SIM → your SIM card issue
- If doesn’t detect any SIM → phone hardware problem
Vivo Model-Specific Tips
Vivo V Series:
- Check for software updates regularly
- Dual SIM management in settings
- Some models have SIM detection issues with thick cases
Vivo Y Series:
- Budget models may have SIM tray quality issues
- Handle SIM tray gently
- Regular cleaning of SIM slot recommended
Vivo X Series:
- Premium models with better SIM detection
- Advanced network settings available
- 5G settings may affect SIM detection
Carrier-Specific Solutions
For Jio SIM:
- Ensure phone supports VoLTE
- Enable VoLTE in network settings
- Check if phone is Jio certified
For Airtel/Vi:
- Update carrier settings
- Check network coverage in your area
- Try manual network selection
For BSNL:
- May need manual APN configuration
- Check 4G compatibility
- Contact BSNL for device-specific settings
Prevention Tips
Maintain SIM Detection:
- Handle SIM tray carefully
- Keep SIM slot clean and dry
- Don’t remove SIM frequently
- Use proper SIM ejector tool
- Avoid dropping phone
Regular Maintenance:
- Restart phone weekly
- Keep Funtouch OS updated
- Clean SIM card monthly with dry cloth
- Check SIM tray for damage regularly
When to Contact Support
Contact Vivo Support if:
- SIM detection fails after all troubleshooting
- Hardware damage to SIM slot suspected
- Phone under warranty
- Multiple SIM cards don’t work
Contact Carrier if:
- SIM works in other phones but not Vivo
- Network registration issues persist
- Need new SIM card
- Account or plan issues
Information to Provide:
- Vivo model number
- Funtouch OS version
- Carrier name
- When issue started
- Troubleshooting steps tried
Alternative Solutions
Temporary Workarounds:
- Use WiFi calling if available
- Dual SIM phone - use second slot
- Mobile hotspot from another device
- VoIP apps (WhatsApp calling, Skype)
Most Vivo SIM detection issues are software-related and resolve with network settings reset or system updates. Hardware problems typically require service center visit.