This is different, the Instituto Costarricense de Electricidad (ICE) is giving its users advance notice of service interruptions that could be experienced on Saturday, May 18.
The state telecom says that is working on the convergence of technologies and Saturday there will be a mobile system integration that can affect some cellular phone services, both on the GSM and 3G networks.
The failures will be nationwide from the 12:01am to 5m Saturday.
ICE recommends everyone on their network to turn off and then turn back on their phones to connect back to the network.
The objective of the updgrade is to provide more bandwidth, readying for LTE service in the near future.