Setting>About phone>
Internal memory keep touching 5 times>
phone information 1 or 2>
Set perferred network LTE only
Then.....
Sim1 or Sim2 keeps in 4GLTE
Internal memory keep touching 5 times>
phone information 1 or 2>
Set perferred network LTE only
Then.....
Sim1 or Sim2 keeps in 4GLTE
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