Look my device (Samsung Galaxy S3 GT i9300) has a problem in the GSM system to attempting a connection appears the message "Not Registered to Network", I literally everything you can imagine in this world (absolutely everything), I started trying:
- Use the new version of Busybox and the old version along with Ariza Patch
- Installing the Kernel Stock along with the modified solution of this problem that would Modem.
- Performing the reset of the EFS folder.
- Making Factory Reset
- Installing Stock ROM through Odin
- I used the firmware 21.1.14 (the latest version) of the Brazilian operator TIM is the ZTM (I've used the international Firmware too)
- I performed the process of downgrading the ROM for 4.2 and 4.1
- Have you installed all possible ROMs, Modems possible, possible Kernels.
- And finally, that's as far as changing the SIM Operator as trying to configure the automatic or manual Networks...
(Note: during my use of the apparatus I never did any of EFS Backup folder, know very well the risks they take responsibility to not opt for backing up, and that was the price I paid for not having done the backup, but I'm looking for a solution to solve this by removing the option to restore the EFS folder, since I did not perchance Backup it) - and remembering that I live in Brazil.
So the question is: Is there a solution for this? Or you must take your unit in technical assistance for them to do the repair via Box?



- Use the new version of Busybox and the old version along with Ariza Patch
- Installing the Kernel Stock along with the modified solution of this problem that would Modem.
- Performing the reset of the EFS folder.
- Making Factory Reset
- Installing Stock ROM through Odin
- I used the firmware 21.1.14 (the latest version) of the Brazilian operator TIM is the ZTM (I've used the international Firmware too)
- I performed the process of downgrading the ROM for 4.2 and 4.1
- Have you installed all possible ROMs, Modems possible, possible Kernels.
- And finally, that's as far as changing the SIM Operator as trying to configure the automatic or manual Networks...
(Note: during my use of the apparatus I never did any of EFS Backup folder, know very well the risks they take responsibility to not opt for backing up, and that was the price I paid for not having done the backup, but I'm looking for a solution to solve this by removing the option to restore the EFS folder, since I did not perchance Backup it) - and remembering that I live in Brazil.
So the question is: Is there a solution for this? Or you must take your unit in technical assistance for them to do the repair via Box?
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