RIFF JTAG – Easy repair Samsung A777 supported

25.10.2013    RIFF JTAG – Easy repair Samsung A777 supported

The Samsung A777 board is auto powered on with USB Data Cable connected to the PC. Battery presence is not required; connection can be established with detached board.

To resurrect Samsung A777:

  •  Solder JTAG cable to Samsung A777 JTAG pads;
  •  connect USB cable;
  •  Make sure Samsung A777 is selected in the list of models;
  •  Click Resurrect button;
  •  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 ‘9’ key and press ‘Power ON’ button.