Quote:
Originally Posted by CHOPS
Spiratically my phone will switch from gprs to gsm for sms service. This usually occurs right after typing a large message, just as murphy's law would have it. I am not sure what is causing this. Usually it takes about a day for this to happen. This is a very annoying problrm and I hope that someone can help me fix it. I am using the Verizon version with stock ROM and some hacks installed like an extended weather database.
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is ur phone in global mode or gsm only? also check these setting in the device Goto Start>settings>personal>phone>gsm/umts services>band>get settings
check to see if ur network type is on auto! i leave it there cuz u might be in a hspa area(hspa is the wcdma option) and gsm is gsm! but u might want to hard code ur gsm/umts band to gsm(1900+850) + umts(1900+850)!! that is the band for american gsm!!