Your Samsung galaxy IMEI number is only used for identifying the device and has no permanent or semi-permanent relation to the subscriber . This guide pointed out on how to Repair or change your IMEI # / number. Check your IMEI on your Android Phone by simply dialing – *#06# . If for some reason you changed your IMEI number or your IMEI number is null and you’re getting “not registered on network or “no signal” errors , then please follow these steps. Restore Galaxy Null IMEI # and Fix Not Registered on Network

Method 1

If this method does not work, try this: How to Fix Samsung Galaxy unknown baseband version

Open up the dialer and enter – *#06# to check your IMEI number, if you see “IMEI Null or 000000 ”, you need to reconfigure the settings to fix the no signal or not registered on network problem on your Android phone. In the dialer, type- *#197328640# or *#*#197328640#*#* You will be prompted into the Command mode, provided On the screen, Select on Common, normally option 6 Now Select (FTM) Option

1. FTM (Field Test Mode) is for debugging and testing, if the option is on, you will have to turn this OFF. As soon as you turn this off, your NULL or altered IMEI number will be restored (Important) Without leaving the Command screen, press the Menu key, the button that’s found left of the Home button. Select Key input and enter option 2 which will turn your FTM OFF Wait for a minute. Remove your battery and SIM card for two minutes, place your battery in your phone back but not the SIM card. Turn on the device then. When the phone is booted, enter the command mode again dial – *#197328640# Select the Debug Screen, normally option 1 After that, choice phone control, option eight Click on nas control, option 3 Afterwards, click “RRC (HSDPA), option 5 To Fix not registered on network or Null IMEI #, click RRC revision, option 2. Choose the released of your phone, here we will choose option 5 (HSDPA only) The final step to fix Null IMEI # is to turn off your phone and insert your Sim card or else reboot your phone and then insert the SIM card to dial *#06# to see if the IMEI number is restored.

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