Easy repair Sony Xperia Miro ST23 / ST23i (Sony Mesona) supported

Repairing
bricked SE ST23i is easy with the RIFF Box. Phone is auto powered on
with USB Data Cable connected to the PC. Battery presence may be
required.
In case you have no USB cable near, make sure battery is
charged enough and hold Power On button during initiation of JTAG
connection.

To resurrect SE ST23i:

•  Solder JTAG cable to SE ST23i JTAG pads;


•  Insert USB Data cable into board and PC;


•  Make sure SE ST23i is selected in the list of models;


•  If you use battery, press Power On key;


•  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.
.