Before You Begin:
- You need a Windows based PC or Laptop.
- Root & Install Custom Recovery in your Samsung Galaxy S3 LTE.(Links are given in Some Important Articles section above)
- Download Samsung USB Drivers Here and connect your device with PC for complete the installation.
- Enable USB Debugging in your Samsung Galaxy S3 LTE.Go to settings and go to developer options and enable it.
- Your device must be charged 50% minimum.
- Make backup of device data for safety.
Download Required Files:
How To Update Samsung Galaxy S3:
- Follow all the instruction given above for safe installation.
- Now connect you device to PC with USB cable.
- Move or Copy both downloaded files on your external sdcard.
- Now switch off your device and boot into recovery mode.To do this, Press and Hold Volume Up + Home and Power buttons.
- Once you’re in Recovery Mode, Select wipe data/factory reset, followed by wipe cache and wipe dalvik cache from advanced.
- Now go back to the main menu of Recovery Mode and select “install zip from SD card”.
- Select and Install custom rom zip file and then GApps package.
- After successful installation, go back to main menu of Recovery Mode and select reboot system now.
- First boot can take upto 5 minutes.
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