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  • What is an eSIM?

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  • Getting Started

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    Features

    Ultra Plan

    New

    Your all-in-one premium travel plan.

    Security Features

    Keep your data safe and private.

    eSIM for Business

    Reliable eSIM data for your teams.

    eSIM Compatibility

    Find out if your device is eSIM compatible.

    Tools

    Data Usage Calculator

    Estimate your data usage.

    Explore
    A man uses Saily’s built-in digital protection.

    Security features

    Discover Saily’s built-in digital protection.

    A woman uses Saily’s data usage calculator.

    Data usage calculator

    Find out how much data you’ll need on your trip.

    The Ultra plan tab on the Saily app.

    Ultra Plan

    Unlimited data, 8% back in credits, and extra perks.

    What is an eSIM?
    Download App

    What is an eSIM?

    Discover how an eSIM works and why it’s useful.

    Blog

    Read articles, guides, and product updates.

    About Us

    Learn more about who we are and what we do.

    Affiliate Program

    Partner with us and earn through referrals.

    Saily Reviews

    Find out what people are saying about us!

    Careers

    Explore open roles and join the team.

    Explore
    A man uses Saily’s built-in digital protection.

    Security features

    Discover Saily’s built-in digital protection.

    A woman uses Saily’s data usage calculator.

    Data usage calculator

    Find out how much data you’ll need on your trip.

    The Ultra plan tab on the Saily app.

    Ultra Plan

    Unlimited data, 8% back in credits, and extra perks.

    Is your device eSIM compatible?
    Download App

    Refer a Friend

    Share Saily with friends and earn rewards.

    Student Discount

    Save more with special pricing for students.

    Saily Coupons

    Get the best deals and save on eSIM data!

    Saily vouchers

    Get a Saily voucher, use within 12 months.

    Explore
    A man uses Saily’s built-in digital protection.

    Security features

    Discover Saily’s built-in digital protection.

    A woman uses Saily’s data usage calculator.

    Data usage calculator

    Find out how much data you’ll need on your trip.

    The Ultra plan tab on the Saily app.

    Ultra Plan

    Unlimited data, 8% back in credits, and extra perks.

    What is an eSIM?
    Download App

    Getting Started

    A quick guide to using the Saily eSIM app.

    Help Center

    Browse guides and support resources.

    Troubleshooting

    Fix common issues with step‑by‑step help.

    FAQ

    Find answers to the most common questions about Saily.

    Explore
    A man uses Saily’s built-in digital protection.

    Security features

    Discover Saily’s built-in digital protection.

    A woman uses Saily’s data usage calculator.

    Data usage calculator

    Find out how much data you’ll need on your trip.

    The Ultra plan tab on the Saily app.

    Ultra Plan

    Unlimited data, 8% back in credits, and extra perks.

    What is an eSIM?
    Download App
    Is your device eSIM compatible?
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    • Mobile Connectivity
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    • Mobile 101
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    Mobile 101

    GSM? iSIM? Fair usage policy? Navigating technology means learning a ton of acronyms and terms — but no question shall go unanswered here! We cover everything from the most basic to niche tech and mobile lingo.

    What is tethering, and how does it work?
    Mobile 101

    Sep 18, 2024

    8 min read

    What is tethering, and how does it work?

    saily blog author lukas t
    Lukas Tamašiūnas
    What happens if I delete an eSIM
    Mobile 101

    Aug 23, 2024

    6 min read

    What happens if I delete an eSIM?

    saily blog author aurelija s
    Aurelija Skebaitė
    How to convert a physical SIM to an eSIM: A step-by-step guide for different devices
    Mobile 101

    Aug 9, 2024

    9 min read

    How to convert a physical SIM to an eSIM: A step-by-step guide for different devices

    saily blog author lukas t
    Lukas Tamašiūnas
    Do airplanes have Wi-Fi? How does it work?
    Mobile 101

    Aug 9, 2024

    12 min read

    Do airplanes have Wi-Fi? How does it work?

    saily blog author aurelija s
    Aurelija Skebaitė
    Does airplane mode turn off your location services?
    Mobile 101

    Aug 8, 2024

    5 min read

    Does airplane mode turn off your location services?

    saily blog author violeta lyskoit
    Violeta Lyskoit
    Does a hotspot cost money?
    Mobile 101

    Aug 8, 2024

    7 min read

    Does a hotspot cost money?

    saily blog author ugne zieniute
    Ugnė Zieniūtė
    What is an SM-DP+ address? Definition, importance, and setup
    Mobile 101

    Aug 8, 2024

    6 min read

    What is an SM-DP+ address? Definition, importance, and setup

    saily blog author ugne zieniute
    Ugnė Zieniūtė
    How to transfer an eSIM from iPhone to Android: A step-by-step tutorial
    Mobile 101

    Aug 8, 2024

    4 min read

    How to transfer an eSIM from iPhone to Android: A step-by-step tutorial

    saily blog author aurelija e 2
    Aurelija Einorytė
    What does “no SIM available” mean, and how can it be fixed?
    Mobile 101

    Aug 8, 2024

    7 min read

    What does “no SIM available” mean, and how can it be fixed?

    saily blog author lukas t
    Lukas Tamašiūnas
    Can an eSIM be hacked? Here’s what you need to know
    Mobile 101

    Aug 8, 2024

    12 min read

    Can an eSIM be hacked? Here’s what you need to know

    saily blog author ema globyte
    Ema Globytė
    Does an eSIM support a hotspot?
    Mobile 101

    Aug 8, 2024

    6 min read

    Does an eSIM support a hotspot?

    saily blog author aurelija e 2
    Aurelija Einorytė
    What does current period roaming on iPhone mean?
    Mobile 101

    Aug 7, 2024

    6 min read

    What does current period roaming on iPhone mean?

    saily blog author lukas t
    Lukas Tamašiūnas
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