I get MMI code problem message

Please check next steps:

Carrier/network selection set to automatic

Data roaming is enabled

Preferred network type set to 3G/4G

Delete all APN records you have present and make a new one APN globaldata (one word small letters)

Please DO NOT CHANGE any other fields.

Proceed to end

Restart your phone and check connection

Updated on: 29/09/2021