Digi is charging their customers based on what they claim to be true and nothing else in the world matters.
I was once charged excessively on data when I changed to use an iPhone.
As iPhone pre-iOS4 has no capability of turning off GPRS unless jail broken, I reluctantly paid for the data charges due to my own lack of knowledge.
After that charge, I searched around and found that Digi requires an APN to connect to their network.
So I removed the APN and I was not able to connect to the data network any more.
Everything was fine until a recent visit to Genting, when I was charged for accessing their data network.
The charges coincide with the exact duration when I was in Genting.
It started just about after I arrived and stopped just before I left.

Digi is claiming it is due to the phone but I argued that if it was the phone, the charges should have happened outside of Genting too.
In fact, it should have since I was charged on 2 separate line on 2 different iPhones carried by 2 different people.
Yet, the charges were only during the period in Genting.
After several mails of arguing, they changed their argument point probably due to me asking if they wanted to include the Apple team since they are playing finger pointing and I would like the Apple team to at least know what is happening.

The new stand was the APN was stored within the SIM card and it was switched.
Now this creates a whole new problem.
All the while, when we request for carrier settings, it was sent to us in an update file.
After receiving the update files, we are prompted to verify if we want to install the update.
Yet now, they are saying that they can change/overwrite/overrule our APN settings which I think is an invasion of privacy.
In other words, it means they can charge you whenever they wish to.
I continued to pressure them on why the charges only happened in Genting.
Even if they changed my phone APN against my wishes, the fact still remained that it only happened in Genting.
With an APN change, I should still be charged after leaving Genting but there isn't any.

Now, they are just keeping silent and repeating the same thing that the charges are genuine just to frustrate me to get me off their backs.
They say the charges are genuine but they are unable to provide any supporting documents due to privacy protection policies.
Ironic isn't it when they can change/overwrite/overrule your settings yet you are not allowed to view information that belongs to you in the first place.
Their term of evidence is the date, time and data transfer which I am currently disputing.
My request for the supporting documents are being turned down repeatedly.
They are also not providing any solutions on what they will do to rectify this problem (which I do not think they consider it a problem since it is a source of income for them and what they say is final).

when I was at overseas using DiGi prepaid card (I owned 3 of them!!!) - their *128# was not working due to "upgrading process" that they claimed will "improved customer experiences etc etc"

so I wasn't able to transfer my remaining talktime from one card to another - to keep my numbers active when I am overseas. This lousy *128# is not working until one day all my cards are expired -

and I asked the DiGi customer service to activate one of my card when the *128# is back to normal - they refused to do so, although they admitted their services is indeed not working during that few days...

and after I asked for refund for all 3 my cards - they refused to do so... is it this kind of services that consumer is looking for ?