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! Enjoy!
Read moreHow do you change bands on Android?
Press “Menu” on Samsung devices and then select “Settings.” Scroll down and select “Network Selection,” then find and press “Network Services.” Look for the option called “Band Selection” and select it.
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