QUOTE(fluotone @ May 13 2016, 06:12 PM)
Thanks for the suggestions, all with very good points. Looks like I'll need to re-evaluate my existing plan to one that is more efficient.
In terms of calls, I don't really call a lot. Estimated just about RM10-RM15 more or less calls + sms.
So I would be looking for a telco that provides better data coverage as opposed to calls or sms. (Though I would re-consider once VoLTE technology builds momentum)
As it is my 5GB quota is struggling every cycle. MOP98 wouldn't be a wise choice for me. With spotify + my existing usage, that would mean that my quota would max out even sooner than before.

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Will accessing the Spotify service consume my Internet quota?
Yes, accessing the service will consume your Internet quota. Alternatively, you can use the Spotify service over a Wi-Fi connection.
Note: MaxisONE plan 98, MaxisONE plan 128, MaxisONE plan 158 and MaxisONE plan 188 customers enjoy more than 15GB of free Spotify data till 30 September 2016 (not applicable for song browsing, which includes scrolling through albums and playlists with artwork) apart from free Spotify Premium access.
Spotify premium has a feature to download to the device and listen offline.
Anyway I approach it as
1) maxis or other telco?
If coverage, data speed is crap no point. It varies depending on places you frequently go to. Office, house, hometown etc.
Get a prepaid to test it out.
2) look at what you need (like what I mentioned)
Look at how much voice calls you do (within network and external)
How much data you need. Spotify is just a good bonus. Doesn't mean u need to use it.