Continue pressing the volume key.
Run the ODIN program and connect your device to the computer with a USB cable.
After you have made your computer to install the necessary drivers Odin program will recognize your device.
Odin program "Auto Restart and Reset Time" check boxes are not checked, "API" box and the "AP" that you download by clicking on ".tr .md5" extension, select the stock ROM.
Everything is ready "Start" button and wait for the process to end
Samsung Galaxy Grand Quattro GT-I8552 Stock Rom Version 4.1.2 Download
Samsung USB Driver Download
Samsung Odin Download
Samsung Galaxy Stock Rom Download Video Lecture
Samsung Galaxy Grand Quattro GT-I8552 Stock Rom Download
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