Hello there, I have a question.
Previously I was using Digi Rm18 package Unlimited call + 2GB internet + free 15 GB (1pm to 7pm 500mb daily).
Till a few days ago, I accidentally subscribed to DigiBonus18 with 4GB internet + Free 15 GB (1pm to 7pm 500mb daily).

Is it possible to switch back to former RM18 package with Unlimited call because I couldn't find the way to do it?