I want to ask about the lock band on Redmi 9 [MIUI 11.0.3 Indonesia]. At my location there are many bands that can be used, but when I want to lock band on a band 5/3 device I always choose band 40.
But when I used my dad's Redmi 9c, the lock band worked. So I thought, does Redmi 9 not support lock band? If it is support, do you think there is a problem with my device so that my device always chooses band 40?
My device status is Unlock Bootloader. Is this what causes the lock band to fail?
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