Umobile Roaming / Umobile Service Centre in Miri

I’m a Umobile Prepaid user and want to activate Umobile roaming fuction.
I searched from their website under FAQ-International Roaming that in order to activate, need to go to service centre.
How do I activate IR?
-Service Centre.

My question is, how can I do it in Miri?? Is there any Umobile centre in Miri?

try to ask the dealer in boulevard?
no SC in east malaysia.
I don’t know for prepaid but i know for postpaid need deposit haha.