How To Fix Imei 0000, Unknown Baseband, Emergency Calls Only Step By Step.

If You have been faced with your Samsung Device having imei = 00000000000000000, SM-G935F unknown baseband, emergency calls only, don’t be afraid and cry no more.

Read the following procedures carefully without missing out steps, you don’t actually need a professional Box.
Device For This Tutorial: “SM-G935F/D. This guide can be applied to all latest samsung with imei null or network problem.”
Note: “This guide will restore the original imei of your device and definitely, fix lost network on your phone.”
Let’s Proceed:

1. Download Free But Paid Root Explorer here

2. Download SM-G935F/D Firmware here
3. Download SM-G935F Combination firmware here. If you have a different device model, look up list of combination firmware on the this page.
4. Download CF AUTO ROOT for your device.

Now put all files downloaded to a location you can easily find on your desktop.
Let’s proceed to the main procedure:

i. Boot your samsung to download mode by holding VOLUME UP, HOME and POWER KEY altogether, press Volume Up to enter Download Mode.
ii. Extract Cf Auto root according to your device model, right in the cf auto root folder, execute Odin 3, go to AP, choose cf auto root.tar file and press start.
Screenshot



iii. Once device is rooted and booted up;
iv. Copy Root Explorer apk into your device memory and install apk file.
v. Go to Superuser app on your phone, navigate to SETTINGS, and set permission to “GRANT”
vi. Go to Root Explorer apk, scroll down to EFS FOLDER in the root explorer.



vii. In the efs folder, you’ll find files and different folders, delete all files and folders except PROV_DATA and FACTORY APP.


viii. If you’re sure all folders and files have been deleted except FactoryAPP and Prov_data, reboot device.
ix. For those with unknown baseband issue, imei will be ooooooooooooooooo/01, don’t worry, proceed to the next step:
x. Reboot device again to download Mode and flash combination firmware according to your device model.

>Once combination file is flashed, device will show error at first boot, just ignore the errors, and if’ you’re prompted to reboot, do so by allowing device to reboot again, check imei by dialing *#06#, viola!! Your imei will be restored to default.

xi. Boot again into download mode and execute odin 3, go to AP, Choose AP from the 4files firmware you have downloaded from the links provided above, wait few minutes, load BL, CP and CSC and press start to flash, once device successfully flashed, everything will be 100% working fine and network, fully restored!!

Feel free to contact us, if you need help.