Just to share recent exploration maybe I miss out but just to share.
Standard Chartered
Add payee use mobile app
Change limit use internet browser
Immediate
CIMB
Add payee use internet browser
Change limit use internet browser
Immediate
Maybank
Add payee use mobile app
Change limit use mobile app
Wait 4 hours for add payee
OCBC
Add payee use mobile app
Change limit use mobile app
Wait 12 hours for add payee
Standard Chartered
Add payee use mobile app
Change limit use internet browser
Immediate
CIMB
Add payee use internet browser
Change limit use internet browser
Immediate
Maybank
Add payee use mobile app
Change limit use mobile app
Wait 4 hours for add payee
OCBC
Add payee use mobile app
Change limit use mobile app
Wait 12 hours for add payee