i437p downgrade to i437 -then unlock-now wifi problem

after unlock set working perfectly-only one problem wifi not working



some friends solved this problem via """"" MF3 OTA firware update for SGH-I437"""



but not get link for above file-help me



below link saw one file-''''''' 2400258.cfg"""""" but it error



http://ift.tt/1nHiCSB

via Welcome to gsm-tips http://ift.tt/1ql77hJ