Samsung GT-i8190 Galaxy S III Mini Unbrick – Dead boot repair supported Repairing bricked Samsung I8190 is easy with the RIFF Box.

Please note, USB cable must be either disconnected or connected to PC.
Charger is not allowed. In order to establish connection, insert battery
and press Power On.

Problem to establish JTAG connection means the device is dead up to the
loader which enables JTAG. In this case phone must be detected via USB
cable as “U8500 USB ROM”. Please install drivers which are located in
JTAG Manager “Drivers\NTU8500” folder, leave USB cable connected and
start resurrection again.

To resurrect Samsung I8190:

•  Solder JTAG cable to Samsung I8190 JTAG pads;


•  Attach battery and connect USB cable;


•  Make sure Samsung I8190 is selected in the list of models;


•  Click Resurrect button;


•  If required, press Power On key;


•  Wait till software signals a successful operation completion;


•  Disconnect power supply, de-solder JTAG wires;

Now phone is in bootable condition, that is, even if it does not
start up normally, you can flash it using known flashing methods.

To enter download mode:

•  Disconnect PC cable;


•  Insert battery;


•  Hold ‘Volume Down’ and ‘Home’ keys and press Power-On.

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