Thanks for your advice.
May I know estimation cost of adapter how much?
As I planning to move on Unifi lite (havent decisions yet, bt mayb next yr already), I just wish to get adapter very basic only (not nid so good quality one)

As I knw this type of streamyx modem unable to use again during Unifi

When Unifi Lite is available to you, especially FTTH, grab it. When you want it, TM may tell you all the available ports have been taken up by your neighbours. Don't expect TM should always keep spare ports for you.

Be patient. When it is almost ready for service, you will see those wearing orange shirts setting up a booth on your street. They are more eager than you.

Today I just walk in TM Point.
She is quite friendly and to avoid herself to create those rubbish technical report, she straight away give me replacement adapter from those terminate account (which previous customer already return modem with adapter set).
Somemore, she is quite pretty girl... 

Anyway, finally my modem can work again