Mi Pad 4 4G LTE can not use dial up and phone call


May 11, 2016
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#1
Mi Pad 4 4G LTE unlocked, when I have changed ROM from MIUI Global 9.6.7.0 Stable ( I think it may be shop ROM) to MIUI 10.3 8.12.27. I can not use dial up and phone call. How can I solve this problem ? help me please.