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RIFF JTAG – HTC One M8 ULCA (AT&T) Boot repair supported

On February 22, 2017, in RIFF JTAG News, by ChesterEspinosa

Repairing bricked HTC One M8Ulca (0P6B12000) via ISP connection is easy with the RIFF Box.
Additionally to HBOOT and Radio zones, the zone which contains Model ID is re-flashed too. Thus after resurrection phone will have Model ID = ‘0P6B12000’.

To resurrect HTC One M8Ulca (0P6B12000) via ISP connection:

  • Get access to HTC One M8Ulca (0P6B12000) board (PCB);
  • Check schematics picture for solder positions of CLK, DAT0, CMD and GND signals;
  • Remove (de-solder) the CLK resistor;
  • Solder CLK, DAT0, CMD and GND wires to the specified pads on the PCB;
  • Attach battery
  • Connect USB Data cable;
  • Make sure HTC One M8Ulca (0P6B12000) ISP is selected in the list of models;
  • Click Resurrect button;
  • Wait till software signals a successful operation completion;
  • Disconnect USB cable and battery, de-solder wires and solder back the CLK resistor;

Now phone is in bootable condition, that is, even if it does not start up normally you can flash it using known flashing methods.
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e780htc one m8 RIFF JTAG – HTC One M8 ULCA (AT&T) Boot repair supported

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