How to Fix Samsung Galaxy Not Registered on Network and Repair Null IMEI Number

Not registered on network is a common message for Samsung Galaxy owners when an IMEI number has been changed, or when the IMEI number is null. For those that see the message saying Not registered on network and got worried that something was wrong with their Samsung Galaxy, we have a guide that will help fix and repair a null IMEI number and make the Not registered on network message go away. It may also be a good idea to use a free IMEI checker, to make sure there is nothing seriously wrong with the Galaxy.

For those confused as to what an IMEI number is, it’s the International Mobile Equipment Identity number, which is used to identify the mobile phone and can be used to blacklist a stolen phone.

The following is a method on how to terminate a null IMEI # on all Android devices, which will also repair the unknown baseband.

How to Restore Galaxy Null IMEI # and Fix Not Registered on Network error:

Turn on the Samsung Galaxy smartphone.
Go to the Dialer and type *#06# to show the phone’s IMEI number. If the message IMEI Null shows up, then the settings need to be reconfigured to fix the No signal or Not register on network problem.
Type *#197328640# or *#*#197328640#*#* with the dialer.
The Galaxy will now go into Command mode, and select on Common.
Now select Option 1 (Field Test Mode); if FTM is on, turn it off.
- This will alter and restore the nulled IMEI number, and it’s important to press the Menu button before leaving the Command screen for this to go into effect.
Select Key Input and enter Option 2.
This will turn the FTM off.
Remove the battery and SIM card for 2 minutes.
Without placing the SIM card back in the phone, put the battery back inside the Samsung Galaxy.
Type in *#197328640# on the dial pad.
Select the Debug Screen.
Select Phone Control.
Click on NAS Control.
Click RRC (HSDPA).
To fix the Not registered on network or Null IMEI # errors, click RRC Revision.
Now choose Option 5 (HSDPA only).
Turn off the Samsung Galaxy and reinsert the SIM card.

If for some reason you’re not happy with this device, you can sell your phones and electronics for cash with Gazelle Trade-In.

For those interested in getting the most out of your Samsung device, then make sure to check out Samsung’s wireless charging pad, their external portable battery pack, and the Fitbit Charge HR Wireless Activity Wristband for the ultimate experience with your Samsung device.