oh man,you can ask me everything on twitter(even is the price).This is a place for fans talking about miui,and i'm afraid i might be excluded by the miui official if i talked too much about the purchase.I'll explain everything whatever you ask.Thank you.
you can follow me(@lusheng121) on twitter,i've made introduction to m1,and you can ask me whatever it is.
besides,it is a quad-band phone,supports GSM/GPRS/EDGE/WCDMA/HSDPA/HSUPA 900/1800/1900/850/2100MHz