I have a problem, my phone is k750i (cid49 red). I follow "DB2010 cid49 with Far + SEFP, Tested with k750" tutorial. But, after I flashed my phone with XS++, and "k750w800_r2e_dcu.49r.ssw" Flash Main Firmware. Now, I can't turn on my phone, even I have unplugged the battery for long time and plug again..and still didn't respond. PLease help me..