Hi forum, I recently was using the stock rom from samsung, I made a backup of efs, then change a custom rom
to be exact use this http://forum.xda-developers.com/show....php?t=1797334 , boot well but then does not connect to the network at my telephony provider tells me down o out service, I find the movistar network but does not connect

restore the efs and I do not work

any idea?