How to Fix LTE on the Samsung Galaxy S3 (AT&T)

Have you been having issues with the LTE on your Samsung Galaxy S3 smartphone? Most probably you have. The issue has been reported on several forums and fortunately, an XDA developer has come to the rescue of users who’re suffering from this issue. He’s made a recovery flashable ZIP that once flashed, solves any of the issues you’ve regarding LTE on your device. Here’s how:

I. Before You Begin:

1. You must have rooted your device before doing this procedure. Please head to our How to Root the Samsung Galaxy S3 (AT&T) procedure first and root your device.

2. You must have CWM Recovery installed on your device. If you followed our guide above, you have it already.

II. Downloading Required Files:

1. LTE Fix Flashable ZIP (Download link’s given in the first post)

III. Fixing LTE on the Samsung Galaxy S3 (AT&T):

1. Download and place the LTE Fix ZIP onto your Desktop.

2. Connect your device to your PC using the USB cable.

3. Copy the LTE Fix ZIP over to the root of your SD card.

4. Once it’s been copied, disconnect your device from your PC.

5. Now head on over to Google Play and download and install the Quick Boot app on your device.

6. Once the app’s been installed, launch it from your App Drawer.

7. Hit Recovery option in the app and your device will reboot into the CWM Recovery mode.

8. Once inside Recovery, choose install zip from sdcard followed by choose zip from sdcard.

9. Choose the LTE Fix zip to be flashed on your device.

10. As soon as you choose the zip, it’ll begin flashing it on your device.

11. Once the flashing’s done, reboot your device.

12. You’re all done!

Excellent! You’ve successfully applied the LTE Fix on your device and you won’t have any issues regarding LTE from now onwards!

If this procedure helped you please thank/donate to the original developers here.