During your trek, electricity is available to recharge your laptops, iPads, and phones from micro-hydropower and solar panels on a paying basis. As for Wi-Fi, there are no hotspots along the trekking trail after Namche Bazaar. The only two places offering free Wi-Fi are Starbucks coffee in Lukla and Everest Bakery in Namche Bazaar. At other places upwards, you need to pay for using internet services, which increases as you go higher up the altitude.