14.03.2012 RIFF JTAG – T-Mobile Samsung SGH-T989 Galaxy S II Unbrick – Dead Boot Repair supported, World First ! ! !
Repairing bricked Samsung T989 is easy with the RIFF Box. The device is based on the Qualcomm APQ8060 chipset.
Note, one simple way to connect over JTAG – connect USB cable to PC and insert battery. In this case phone is automatically powered on.
To resurrect Samsung T989:
Solder JTAG cable to Samsung T989 JTAG pads;Now phone is in bootable condition, that is, even if it does not start up normally, you can flash it using original Samsung downloader software to restore it to the working state.
Connect USB cable to phone and PC;
Insert battery;
Make sure Samsung T989 is selected in the list of models;
Click Resurrect button;
Wait till software signals a successful operation completion;
Disconnect USB cable, de-solder JTAG wires;
To enter download mode:
Disconnect PC cable;.
Insert battery;
Hold ‘Volume Down’ key and press Power-On.