This utility for the Motorola Photon Q sets the RF NV item 8322 to the value 0, which allows the device to be used on GSM carriers in the US. Usage: $ make /build/Android/cm-11.0/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.7/bin/arm-linux-androideabi-gcc --sysroot /build/Android/cm-11.0/prebuilts/ndk/9/platforms/android-10/arch-arm/ -Wall xt897-fix-usa.c -o xt897-fix-usa Now copy xt897-fix-usa to the phone and run it as root: root@asanti_c:/data/local/tmp # ./xt897-fix-usa Setting logging_mode to internal... Opened diag... Getting value of NV-item 8322... GSM outside USA only: 1 Setting value of NV-item 8322 to 0... Getting value of NV-item 8322... GSM outside USA only: 0 Setting logging_mode to usb... You can get a precompiled binary from: http://bork.cs.fau.de/~michael/photonq/xt897-fix-usa