Samsung galaxy S5 (Mini) G900F not registered on network error occurs when you are attempting to make a call or text. Your current Service Provider is not notified of your IMEI number, and then you get this error on the Pop Up Screen ” not registered on a network” don’t worry, we have solved this problem and all the Issues with Android not registered on a network are gone.

“Please, be aware that your phone is already unlocked. It’s not the case where you have to unlock your device to remove the “Android Not Registered On Network” error.”

you can’t change or Repair IMEI, coz Z3x isn’t supported this model yet

G900F not-registered-on-network


so all you have to do is…

Write one of the Following CERT file using Z3X or Octoplus box

#1 : download 1 of following cert file

G900F Cert by MobileKrazy

G900F Cert by MobileKrazy 2

How To Write Cert Using Z3x

#1: enable usb debugging

#2: Root your Phone using “Kingo Root” or “CF Auto Root”

#3: Connect your G900f with PC  (Phone Must be Rooted & USB Debugging must enabled)

#4: Go to Backuo TAB (Z3X)

#5: Select adb port

#6: Click on “Write Cert”

Done !!

Problem Solved !!


its 100% working & tested many times by me.

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