As we talked a couple of times before, the Manaslu region is very remote trekking. Thus, the question of the internet and communication is mostly asked about the Manaslu trek. Adding to that the Manaslu circuit trekking route has 40% of the place where the cell phone signal is available if you want to use cellular data, then get a Nepali Sim with a data package to use while trekking. Similarly, there are several villages including Samagaun and Samdo where you can get Wi-Fi service, the service might provider may ask you for a few extra bucks. However, during trekking, many travel company provides a satellite phone that will keep you connected with them during the trip.