A20 issue

[taurus2224]

Hi, I'm using samsung A20 and it keeps saying sending SMS failed (failed to send message, review and try again). This is so annoying. Help me get rid of this. Thank you. 

[SHAHBAZ12]

SMS کا طریقہ بدل دیا ہے درست کریں

[taurus2224]

mtlb settings change krna hon gi?
agr aap ko sahi settings ka pta hai to bta den.