The firmwares for Galaxy S4 I9505, the Qualcomm 600 LTE version, were released by Samsung. You can now download the Android 4.2.2 firmwares if you want to return to stock ROM after rooting or installing a Custom ROM. The available official firmwares are I9505XXUAMDM and I9505XXUAMDE, both of them released for Germany. If you have the Stock firmwares you can manually install them using Odin. First you have to make sure you have the USB drivers installed for your device on the PC. Then you must know that you risk bricking your device if you don't know what you are doing. So be very careful. If you do decide to use the ROMs or install them, you need to know that we cannot be held responsible for any problem that your device may encounter. Download Galaxy S4 I9505 official firmwares:
What's my model number?
There are several ways to locate your model number:
- Option 1
- On your device, go to Settings, then "About device" and scroll down to "Model number"
- Option 2
- Often times you can view the model number inside the device, by removing the battery
- Option 3
- Using Samsung's model/serial number location tool