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In this article I will show you how to fix ‘Null IMEI #’ on all android devices. This fix will automatically repair “Unknown baseband” error. baseband. Some Galaxy users got error: “Not registered on network” this is because your Samsung Galaxy IMEI number is used to recognize your phone and prevent it from theft.

First you should check your IMEI on your Samsung phone, dial- *#06#

If for some reason you changed your IMEI Number, or you are getting this type of errors: “Your IMEI number is null” and “Not registered on network” or “No signal“ issue then follow this tutorial.

How to restore Samsung Galaxy Null IMEI # and Fix Not Registered on Network

This Tutorial was tested on a Samsung Phone!

Step 1: Open up dialer and enter – *#06# to check your IMEI number, if you see “IMEI Null” then you need to reconfigure the settings to fix the no signal or not register on network problem on your mobile phone.

Step 2: Open again the dialer and type:  *#197328640# or *#*#197328640#*#*

Step 3: You will get into the Command mode and you will have to select on Common , normally option 6

Step 4: Next select (FTM) Option 1

Step 5: If (FTM) is on, you will have to set it OFF

Step 6: Now you should be alerted that your IMEI number will be restored.

Step 7: Important: Before leaving the command screen press the Menu key, the button from left of the Home button.

Step 8: Next: Select Key input and enter option 2. In this case you want to turn it off

Step 9: Wait a minute for the change, it will turn FTM OFF

Step 10: Remove the battery and sim card for 2 minute

Step 11: Place your battery inside you Samsung Phone, Without the SIM Card!

Step 12: Start your phone and enter the command mode again dial  *#197328640#

Step 13: Select the Debug Screen , normally option 1

Step 14: Next, select phone control , option 8

Step 15: Click on: nas control , option 3

Step 16: Click RRC(HSDPA)option 5

Step 17: To fix “Not registered on network” or Null IMEI # , click RRC revision , option 2

Step 18: Click on the released your phone is, choose option 5 (HSDPA only)

Final Step: To fix Null IMEI not registered on network for Samsung Galaxy turn off your phone and insert your SIM, start your phone.

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  • sonia

    despues de ftm el paso 5, me sale not supported en ningun momento me da la alerta que se restablecerá el número IMEI.

  • Thainafa

    Nao aparece comando nenhum ao discar *#197328640#

  • Alex

    C’è solo poca informazione, tutti i dispositivi Samsung sono riparabili per chi ha dimestichezza, potrei scrivere lunghe pagine per aiutarvi gratuitamente, ogni procedura è differente. seguitemi su Facebook, ANDROID FIX. 3889337624

    • amggello

      buen dia amigo como hago para usar este procrdimiento en una samsung galaxi tab p1000 me cambio el imei y dice no registrado en red

    • Axel

      Cambiar IMEI en s6 edge

  • Rodrigo vieira

    Olá pode ser feito no S6, mas não saia a bateria.