i can 100% prom u that it is nothing to do with ur gdfs
21:37:57| Warning: IMEI name does not match GDFS name (IMEI:W850 GDFS:K700)
21:37:57| ...using IMEI name
its a hardwear fault u wright a diffrent gdfs to ur phone and u will kill it even if u use my post on how to fix the gdfs it will still come out the same