I beleive I need to alter the band to use my phone on a forthcoming trip to the usa. At the moment it is set to, Network - GSM and Band - UMTS(850+2100)+ GSM)900+1800). Could anyone tell me what settings I will need?
Which phone do you have? Unless it is a tri-band or quad-band phone it will not work in USA. I think that you may only have a 2 band phone.
Ideally you will use a quad band phone, which will work anywhere in the world. In North America all networks support both 1900 MHZ and 850 MHz GSM services.
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