Hi team, Kindly help me, I have Lyca mobil
e SIM which is working with T Mobile in Washington has MMS and APN settings are greyed out and can not be removed. Due to which I am not getting my LTE signal to my phone. It was working fine, I have recently upgraded my MIUI 10 to 11 and later I am unable to connect to my Lyca 4G network. Now I cannot even send or receive any SMS or MMs...kindly check the attachment s. Help me if you can.
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