Help! B593-22 call icon paano mawala?

[Jhem1994]

need help po mga master yung b593-22s ko may náka lagay na CALL ICON.. Openline na din po ayaw lang na change band my call kaya nag failed to change band.. TNT gamit ko ngayon ni reset ko din ayaw parin HELP!!

 

[PHC-Tenten]

Paano ka nag change band lods

 

[Jhem1994]

Paano ka nag change band lods

Wifi and advance settings din channel po peo 13 lang po sia