eSIM Not Working? Causes, Common Issues, and Quick Fixes — RedDogFish
Is your eSIM not working on iPhone or Android? In 90% of cases, issues can be fixed in minutes. Common causes and step-by-step solutions are explained here.
30 January 2026
5-min read
Reliable internet while traveling is not a luxury, it's a necessity. Whether you're traveling for business or exploring a new country, RedDogFish will provide you with stable mobile data without the stress of roaming.
With RedDogFish, everything happens online: you choose your destination and the number of days, create a tariff plan according to your needs, install an eSIM, and connect to the Internet in minutes. You only pay for what you really need. No forced additional services or automatic renewals. You are in control from start to finish.
Every traveler uses data differently. Some only use maps and messengers. Others work remotely, join video calls, or download content daily. So, how do you determine the amount of data you need for your trip?
Based on real user experience, we have created an interactive guide to help you assess your needs: Your travel data calculator. Every user is unique. Use this guide as a reference, not as a strict rule.
Always connected: your eSIM is always ready to go when you need it. Backup connection: even if your main data runs out, the app keeps you connected so you can top up instantly. Top up anytime: more data with a single tap. Full control in the app: activate, hold, or top up your data anytime, anywhere.
eSIM from RedDodFish — stability and clarity. No hidden fees, no automatic renewal.
Turn on → use.
Hold → save money.
Full control on your smartphone.
Changed your travel plans? Put your eSIM on hold. Need data again? Resume it instantly in the app.
How to install and activate RedDogFish eSIM? Full installation instructions can be found here.
Activation takes only a few minutes. Select your plan → install → travel with confidence. You can install and activate your plan even if you are already abroad.
RedDogFish operates in over 190+ destinations worldwide.
Ideal for:
tourists
business travelers
freelancers
digital nomads
anyone who wants reliable mobile internet.
24/7 human support. Tired of chatbots that don't understand your problem? Our human support team works quickly and really helps — day and night.
Worldwide coverage (190+ destinations).
Fast activation in minutes (even abroad).
Custom plans by days and usage.
Hold option to save money.
High speeds you can be proud of.
Real support from real people — no scripts or bots.
Instant top-up when data runs out (backup connection).
Reliable mobile internet exactly where you need it.
No local physical SIM cards.
Full control right from your phone.
Clear, transparent pricing with no surprises.
A provider that's really on your side.
Travel freely. Work with confidence. And experience how free the internet can be when it truly belongs to you.
Select your destination, choose the amount of data you need, and connect instantly — no roaming charges, no stress. RedDogFish — stable coverage that moves with you.