Any option to stick to 3G in AT&T unlocked Lumia 640
Can anyone tell the option to stick to 3G in AT&T unlocked Lumia 640
I cannot find the option to select 3G/4G switch in my phone.
Its running only in 4G mode
Can anyone tell the option to stick to 3G in AT&T unlocked Lumia 640
I cannot find the option to select 3G/4G switch in my phone.
Its running only in 4G mode