I use 1x everyday at work.(when I go).. LoL. I could throw a rock at the Philly skyline so not sure but I'll go out on a limb an say east/west coast metro hidden menu is the same.LoL I use (cdma w/o EvDo) it's the 4th out of the five options in the(network select)menu. it knocks out 4g an flips it to 1x. My phone can call an receive. Same with sms.ext only changes the 4g to 1x. My works walls eat 4g like chubby kids eat cake.LoL so in order to stream sports radio (97.5 fanatic) I switch it flawlessly daily
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Network select
Network mode
Pick The 4th out of the five