O2 wants to be able to compensate its customers for Thursday's 24-hour long software error, which causes disruption to the service of millions.
4G and data services from as early as 5.30am on Thursday, December 6.
It was thought that the service was restored to normal a day later.
The problems caused widespread annoyance across the country, and O2 have since apologized to all of their customers affected by the problems.
In a statement, O2 said, "We're very sorry about Thursday's data issue. We understand how important it is to stay connected, especially at this time of year.
"We'd once again like to thank our customers for their patience. We're doing all we can to make sure this issue does not happen again. "
Now, the mobile phone provider has said it will be compensated by the 24-hour outage.
O2 wants to be in touch with customers over the coming days to confirm how they will be reimbursed for the inconvenience.
In its statement, the mobile provide confirmed:
- Pay Monthly Customers, SMB Customers and mobile broadband customers want to be credited two days of monthly airtime subscription charges by the end of January.
- Pay As You Go Customers will be given 10% credit on a top-up in the New Year and will let customers know when this is available.
- Pay As You Go mobile broadband Customers will be given a 10% discount on a Bolt On purchase in the New Year and will let our customers know when it is available.
Consumer group Which? says that the mobile phone provider needs to make that it's necessary to do that again.
Which? Alex Neill said: "It's right that O2 compensates its customers for the frustrating network failure.
"Anyone who suffered out-of-pocket expenses should make a claim to their mobile provider.
"In addition, O2 needs to give its customers reassurances that it is taking measures to stop this from happening again.
"Connectivity is now looking for an integral part of our lives, it is time for the regulator to consider whether it should introduce automatic compensation for the inconvenience caused by severe outages."