You may cancel your scheduled roaming pass in not less 2 hours from its activation time, here is how you do it on the Maxis app.
On the Home page, tap on the scheduled pass, and you will see “CANCEL PASS” at the pass details page.
Click on “CANCEL PASS” and the scheduled pass will be cancelled.
You will receive a prompt that the Roaming pass cancellation is successful.
The scheduled roaming pass at the home page will no longer be displayed.
Please note that any cancellation of scheduled passes should be done in not less than 2 hours or 4.00am before the Roaming pass at 6:00am (Msia time) on the activation date; and from time to time there may be scheduled system maintenance downtime between 2am to 7am.