Airtel, Moov and Zamanitele cover Niamey on 3G and 4G; Tenere desert routes and remote north fade for days. Agadez has usable urban coverage before expeditions leave town. Check the network list above for Niger before you fly; it shows what is available right now, including options such as Zain/CelTel.
SIM registration with passport is required at Niamey operator shops. Desert tours assume satellite comms once mobile data ends. That still makes sense if you will live in Niamey for months and need local calls. For a holiday or short work trip, most people only need data — and NXTL gives you that without the desk stop: install at home, keep your usual number for calls and bank texts, pay only for the gigabytes you use.
There is no complicated Niger-only product to learn. NXTL is one global eSIM: the same profile you might use elsewhere works here on Zain/CelTel when listed. Land, turn data on, and go — rates for Niger are shown live on this page because they can change.
If Niger is one stop on a longer route, NXTL is built for that. Use data around Niamey and Agadez, then keep the same balance wherever NXTL has coverage next. You are not locked into a single-country tourist pack.
Flights to Agadez are schedule-sensitive, and airlines text changes in French when you have a local line. NXTL is built for that kind of Niger trip: data when you need it, without buying a new pack for every change of plan.
NXTL is for people who want Niger data without turning arrivals into a SIM shopping errand. Install once, travel lighter, and keep one account for the rest of the world.