Restore Android IMEI Number: Fix Not Registered On Network

Restore Android IMEI number: “Not registered on network” problem is typical for Samsung Galaxy users with null or altered IMEI numbers. No need to fear if you see an error message on your Galaxy phone.

Here’s how to resolve a null IMEI and fix the “not registered on network” problem. Use the free IMEI checker to make sure your Galaxy phone is working properly.

MediaTek-based Android phones are affected. The SIM card doesn’t recognize the network, hence it shows no signals or network.

How to Restore Your IMEI Number After Flashing an Operating System

Restore Android IMEI Number

If you have lost your IMEI number after flashing a custom ROM then don’t panic, there are a few ways to save it.

Flashing is simply when a user installs a new ROM in a similar fashion to when they install a new update on their device.


When this happens you are installing a complete version of a ROM. ROM stands for Read-Only Memory and it carries executable instructions supplied to it.


When your Android doesn’t operate after a reset then flashing a ROM may be able to repair this. I will be showing down below what to do if you have lost your IMEI number after a factory reset.


If you wish to restore your IMEI number after flashing a ROM then you may download various programs that can accomplish this for you.

Non-registration on the network has what implications?


An excellent app I can advise is IMEI writer. You will only be able to download this on your Windows PC. Sometimes it may not function for your particular gadget and you will have to accept this.

If your Android phone keeps showing Not Registered on Network, it means your SIM card hasn’t connected to the carrier network. When a problem occurs, Android calls and messages are halted. This issue may be caused by your SIM card or provider. This page provides thorough answers to this problem.

Try Installing Backup IMEI

Before you attempt to install a backup IMEI, there are a few things that you will need to have on hand, including the following:

  • The number of your IMEI chip.
  • Root privileges
  • A computer
  • Installing the Mobile MTK Tool is a prerequisite for this. Simply click the link that says “Download” on your personal
  • computer to get started.
  • In addition to that, you will need to install the tools provided by Mobile Uncle. (You’ll need to do this on an Android device.)
  • After this, you can follow the procedures to recover your lost IMEI number.
  • First, launch the MTK tool on Windows 10. File Explorer, if not.
  • Press enter after typing Y.
  • Enter your IMEI and hit Enter.
  • Repeat step 2.
  • Create an IMEI.bak file on your device’s storage.
  • Tap IMEI Backup in Mobile Uncle and restore the. bak file.
  • After that, restart your smartphone by holding the power and volume down buttons. Your gadget should power off and on quickly.
  • Your network should be up. If not, try my next suggestion.

Use the Code on Your Device

This method may work better for Samsung devices. This procedure works with other devices.

  • *#197328640# or *#*#197328640#*#*
  •  Tap ‘Common’ in Command Mode.
  •  Click Menu without leaving Command.
  • Tap Key input to disable FTM.
  • Wait 5 seconds. Remove the SIM and battery after a few seconds.
  • Replace the battery, but don’t replace the SIM card. Wait 30 seconds.
  • Hold the power button for 3 seconds to start your phone. After restarting your Android smartphone, use the following command: *#197328640#
  • Control-click Debug Screen. Select RRC (HSDPA) thereafter. RRC revision fixes unregistered networks. Select just HSDPA.
  • Restart your smartphone and insert your SIM card. Dial *#06# to see if your IMEI is restored.
  • Changing the MTK app may create IMEI Number issues.

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