At some point, everyone asks: what is IMEI and why is it needed on a phone? The short answer is simple: it is a unique 15-digit device identifier that helps networks recognize your smartphone and helps the carrier block it in case of theft in Moscow or abroad.
This material will help you understand the limits for iPhone and Android, choose a plan for your trip, and set up a digital SIM without surprises. It is convenient to connect a travel profile through “eSimka” so you do not waste time looking for a local sales point at the airport.
In simple terms, roaming means using a partner network of your mobile carrier outside your home coverage area. For internet access abroad, the system uses data traffic and charges it according to the terms of the visited network. In summer 2026, eSIM options are popular among Moscow residents because they help avoid overpaying during flights and international trips.
The brief answer is yes, you can. Sharing internet from an eSIM usually works the same way as with a regular SIM card, but much depends on the plan, device settings, and carrier restrictions. In this guide, you will find step-by-step instructions, a verification checklist, and an explanation of common reasons why hotspot mode does not start on some models.
