“An Post Mobile has committed to refunding approximately €25,600 to 4,700 customers for excess credit remaining on accounts that have ported away, and for charging the incorrect voice, SMS, and data roaming rates and will be contacting impacted customers in this regard,” said a ComReg statement.

“As well as issuing refunds An Post Mobile has committed to coming into compliance with its regulatory obligations.” Customers of An Post Mobile were also incorrectly advised that they would lose any remaining credit balance when they ported to another provider.

An Post Mobile did not provide contract summaries to its customers. “The model cancellation form was not made available for the exercise of cooling off rights, and its customers were not provided with a copy of their terms and conditions on a durable medium.” An Post Mobile did not have a code of practice for handling complaints, nor did it advise customers of their right to exit the contract due to a contract change.

ComReg also noted that there was no explanation or provision in customer contracts of the relevant speed information for the customer’s internet access service.

An Post Mobile did not have a code of practice for handling complaints, nor did it advise customers of their right to exit the contract due to a contract change.

"ComReg will continue to monitor An Post Mobile’s compliance with its obligations, and to investigate as appropriate any matters arising with An Post Mobile or other undertakings providing electronic communications services," the ComReg statement added.