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Read moreWhat is band locking?
You can lock the device to a subset of its supported frequency bands on LTE, WCDMA, or GSM . Note that this operation will result in no service if you prevent the use of all bands that are available at the current location.
Read moreHow do you unlock all bands on Android?
Type in *#*#SERVICE#*#* (*#*#7378423#*#*) to see your new bands that your phone can use! If your phone can’t boot then flash stock FTF to your device and you should have your reception back!
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