mardi 26 avril 2016

no signal after selecting usa band

Hi
in testing menu (*#*#4636#*#*) in phone information in the sub menu i selected "Select radio band" and then selected usa band(the only option there) after this my sim1 dont find any network( no gsm no 3g). What can i do?:confused:
some times it find 2g network but cant register on it :(
can i reflash modem.img?
if yes how can i find modem.img for my firmware?


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