To Update Samsung Galaxy S4 GT-I9505 Software you need to install a newer firmware version on it. You can update your Samsung Galaxy S4 GT-I9505 without a computer by going to Settings > About Device > Software Update. Also, You can update this Samsung device manually, But you need to use a computer.
In this Guide, You will learn how to update Samsung Galaxy S4 GT-I9505 manually by using the Odin3 flasher and Samsung Stock Firmware files.
The explained steps in this Guide will help you to Factory Reset Samsung Galaxy S4 with model numbers GT-I9500 and GT-I9505.Samsung Galaxy S4 GT-I9500 Factory Reset Checklist:
1- This process restores the Android platform to its original state and wipe all your data, So backup all the wanted data (Contacts, SMS, Photos, Videos,… Etc).