Support Cell Radio Settings Unchangeable (In *#*#4636#*#* Menu)

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http://androidforums.com – So...I'm currently in Egypt and out of the US. I bought a Vodafone SIM card and stuck it in my Rezound. This worked only if I changed the cell radio settings in the *#*#4636#*#* phone info menu to "WCDMA Preferred" or "WCDMA Only". I was able to send and receive calls. Then all of a sudden a few days ago my phone said it had no service. I hadn't changed anything. So, I looked on the Phone Info menu and it said "WCDMA Only". I decided to change it to "CDMA + LTE/EvDo auto" and then back to WCDMA to see if that would fix the issue. When I selected (General)