To Update Samsung Galaxy S3 Mini GT-I8190 Software you need to install a newer firmware version on it. You can update your Samsung Galaxy S3 Mini GT-I8190 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 S3 Mini GT-I8190 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 S3 Mini with model numbers:Samsung GT-I8190. Samsung GT-I8190L. Samsung GT-I8190N. Samsung GT-I8190T. Samsung Galaxy S3 Mini GT-I8190 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).