The device might shut down during the process due to lack of battery, which in turn could brick the device.ĥ)- You should have an unlocked Galaxy S4 Gt-I9505 model.Ħ)- The phone will lose custom ROM once the stock update is installed. Ĥ)- Ensure your Galaxy S4 has 80% battery charge. Create a backup of all important data using custom recovery, as this process might wipe out everything from the device.ģ)- Enable USB Debugging Mode on phone to connect it with the computer and use Android SDK with it. XDAġ)- Install proper USB drivers for your Galaxy S4 on the computer.Ģ)- There might be big issues as this is a leaked firmware. Android 5.0.1 Lollipop firmware leaked for Galaxy S4 LTE.