There is Wi-Fi in the Everest region as well as mobile phone coverage in different locations.
There is Wi-Fi in the Everest region as well as mobile phone coverage in different locations. For example, mobile phone coverage with NCell does not always work in Dingbouche or in the Imja Valley. If there is a medical emergency, then you should always have access to communications. Make sure your team have a satellite communications device on our trek. If you need emergency evacuation, you will have to call directly to your insurance company or helicopter evacuation service. They will need to make sure you are actually sick and require to evaluate you over the phone in order to start the rescue process.