Essentials and procedure
Make Sure that Infineon USB Drivers is installed on your PC.
Run Samsung S3350 Downloader.
From Communication Driver drop down menu select: Infineon USB Driver.
At the Erases Calibration drop down menu select: Erase whole flash before download.
Drag and Drop the file: S3350*xx_bin.fls
Drag and Drop the file: S3350*xx_cds.fls
Drag and Drop the file: S3350O*xx.dffs
Drag and Drop the file: S3350*xx_UI_IMAGE.fls
Click Start ( Next in new versions ) button.
Click Start USB1 button and connect USB cable to turned off phone Along with ( * ) Key pressed to Start the Update.
Do nothing till the program tells you that the process is Success.
Turn the phone on and do full reset by this code: *2767*3855#.