need to flash s307
 

i flashed a s307 with s300 flash. i was trying to get phone to work on 900mhz band but phone could not find network. now when i put in a 1900 mhz sim card phone only searches, then say no service. so i need s307 flash so phone will work on 1900mhz again.i don't see any s307 in support area. can someone send me this flash?


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