How to Fix “Not Registered on Network” Error on Airtel SIM (2025 Guide) - Android Pols - latest news, natural remedies, and entertainment

How to Fix “Not Registered on Network” Error on Airtel SIM (2025 Guide)

How to Fix “Not Registered on Network” Error on Airtel SIM (2025 Guide)
How to Fix “Not Registered on Network” Error on Airtel SIM (2025 Guide) 


Is your Airtel SIM showing “Not Registered on Network” in 2025? Learn how to fix this issue on Android or iPhone with simple troubleshooting tips and step-by-step solutions.


What Does “Not Registered on Network” Mean?

The error “Not Registered on Network” usually means your Airtel SIM card is unable to connect to the mobile network. This can happen due to issues like:

  • Invalid SIM registration
  • Network outage or weak signal
  • SIM card damage
  • Phone settings errors
  • Blocked or blacklisted devices
  • Airtel line not properly inserted or activated


Common Causes of This Error on Airtel

Cause Explanation
SIM not properly inserted Misaligned or loose SIM tray
Network outage or poor signal Temporary loss of Airtel network in your location
APN or network settings misconfigured Manual network search or wrong mobile network selection
SIM card not registered SIM not linked to NIN or expired registration
Phone is blacklisted or rooted Devices reported as stolen may lose network access
Faulty SIM card Damaged or old SIM that no longer works with current phones


How to Fix “Not Registered on Network” on Airtel SIM (2025 Steps)


1. Restart Your Phone

Sometimes a simple reboot can reset the network connection.


2. Check Network Mode and Manually Select Airtel

For Android:

  • Go to Settings > Connections > Mobile Networks > Network Operators
  • Tap Search Networks
  • Choose Airtel NG (2G/3G/4G/5G) manually

For iPhone:

  • Go to Settings > Mobile Data > Network Selection
  • Turn off Automatic, wait, then choose Airtel NG


3. Reinsert the SIM Card

  • Power off the phone
  • Remove SIM card
  • Clean it gently
  • Reinsert and turn phone on


4. Reset Network Settings

For Android:

  • Settings → System → Reset → Reset Network Settings

For iPhone:

  • Settings → General → Transfer or Reset iPhone → Reset → Reset Network Settings

This won’t delete your data, but it will reset Wi-Fi, Bluetooth, and mobile settings.


5. Try the SIM on Another Phone

This helps determine whether the issue is with the SIM or the phone.


6. Update Your Phone Software

Outdated firmware may prevent your phone from connecting properly.

Go to:
Settings > Software Update > Download and Install


7. Contact Airtel Customer Care

If the error continues, contact Airtel support via:

Or visit the nearest Airtel Service Center to check your SIM or register it again.


Pro Tip: Re-Register Your Airtel SIM

Sometimes the issue may be caused by incomplete NIN linking or a blocked SIM.

To check your NIN status:

Dial *996# or *121#

To link your NIN (if not yet linked):
👉 How to Link NIN to Airtel SIM


The “Not Registered on Network” error is frustrating, but it can be fixed with the steps above. If all else fails, visit an Airtel center to check your SIM or replace it.


Keep your NIN linked, software updated, and Airtel settings configured correctly to avoid this issue in the future.


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