How to activate and deactivate dnd in loop mobile

if you wish to stop receiving such communication from Loop on SMS or through calls, simply send "START0" as an SMS to 1909 (for both postpaid and prepaid) or inorder to receive communication from us on SMS or through calls, simply send "ST0P0" as an SMS to 1909 (for both postpaid and prepaid) or call on 1909 from your mobile phone to register with National Do not call register. This number is toll-free.