(qCOSTARICA) On Wednesday, the state-owned telecom, the Instituto Costarricense de Electricidad (ICE), announced that customers may experiences internet and mobile phone problems for the coming few days, due to an upgrade in their systems.

The upside, for all ICE postpaid cellular customers, is an upgrade to 4G for free for the next 12 months. The promotion applies to all current postpaid customers with data plan and new customers signing up.

Prepaid customers, who purchase a data plan can also enjoy the speed of the 4G, if they desire.

ICE, under the Kolbi brand, launched the 4G service in December 2013 and currently offers the service in over 3,121 localities across the country.

To connect at the 4G, users have to have a LTE enabled smartphone and choose the 4G option from their settings.