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


Win Nida

Members
May 11, 2016
1
13
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.
 
Hi everybody. Been a Wile but I'd like to know whether you could do something please? I discovered that the only slot with IMEI allowing phone calle is sim slot 1 but it is deactivated. The second sim slot has NO IMEI. It is activated but will not allow phone call. Did someone managed to activate the sim slot 1 ?