Upon using wifi, my Redmi will hold 4G for an unknown amount of time, then suddenly either drop to HSPA, or UMTS depending on the region; as to my understanding this is what SIM Standby does where it just turns off data and leaves the voice and sms services online which is perfectly okay with me because in theory it saves power.
Though using T-Mobile, it doesn't play nice. It randomly drops services, then emergency calls only, then grabs service often switching frequencies, and it does this until I shut off Wifi, grabs 4G/LTE again, and I turn on wifi. Is there an option or a build.prop edit I can do to turn off SIM Standby?
Though using T-Mobile, it doesn't play nice. It randomly drops services, then emergency calls only, then grabs service often switching frequencies, and it does this until I shut off Wifi, grabs 4G/LTE again, and I turn on wifi. Is there an option or a build.prop edit I can do to turn off SIM Standby?
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