To Update Samsung Galaxy Win Duos GT-I8552 Software you need to install a newer firmware version on it. You can update your Samsung Galaxy Win Duos GT-I8552 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 Win Duos GT-I8552 manually by using the Odin3 flash tool and Samsung Stock Firmware files.
The explained steps in this Guide will help you to Factory Reset Samsung Galaxy Win Duos with model numbers GT-I8552, GT-I8552B, And you can apply the same steps on Samsung GT-I8550E, GT-I8550L with single SIM Card.Samsung Galaxy Win Duos GT-I8552 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).
2- Make sure that you know the Google account name and password.