10 Tips to Make Your eSIM Data Last Longer

Stretch Every Megabyte on Your Trip

You have purchased your eSIM plan and you are ready to travel. Now the question is: how do you make that data last the entire trip without constantly worrying about running out? These ten practical tips will help you use your data wisely — without giving up the apps and features you actually need.

1. Download Offline Maps Before You Leave

Both Google Maps and Apple Maps let you download maps for offline use. In Google Maps, search for your destination city, tap the three-dot menu, and select "Download offline map." In Apple Maps, tap your profile icon, then "Offline Maps," and select a region. Do this on Wi-Fi before your trip, and your phone will use cached data for navigation instead of downloading it live. This one step can save hundreds of megabytes over a week.

2. Pre-Download Entertainment on Wi-Fi

Streaming video is the single biggest data drain on any phone — one hour of standard-definition video uses about 700 MB. Netflix, Spotify, Apple Music, YouTube Premium, and most podcast apps all support offline downloads. Load up your playlists, podcast queue, and a few shows while on hotel Wi-Fi. Your downtime entertainment should not cost you cellular data.

3. Disable Auto-Play Videos on Social Media

Instagram, TikTok, Facebook, and X all auto-play videos as you scroll through your feed. This burns through data incredibly fast — often without you even realizing it.

Instagram: Go to Settings > Account > Cellular Data Use and enable "Use Less Data." Facebook: Go to Settings > Media and Contacts and set "Autoplay" to "On Wi-Fi Connections Only." TikTok: Go to Settings > Cache & Cellular Data and enable "Data Saver."

These changes still let you browse your feeds. Videos just will not play automatically — you tap to watch the ones you actually want to see.

4. Use Wi-Fi Whenever Available

Hotels, cafes, airports, and restaurants often offer free Wi-Fi. Use these networks for data-heavy tasks like uploading photos, video calls, or social media. A note on security: avoid sensitive tasks like online banking on public Wi-Fi. Save those for your cellular connection. For general browsing and downloads, public Wi-Fi is fine and saves your eSIM data for when you truly need it.

5. Turn Off Background App Refresh

Many apps refresh their content in the background even when you are not using them — pulling in new emails, updating social feeds, syncing files. This silent data usage adds up.

iPhone: Go to Settings > General > Background App Refresh. Turn it off entirely, or selectively disable it for apps you do not need refreshing constantly. Android: Go to Settings > Apps, select individual apps, and disable background data usage for non-essential ones.

Keep it enabled for essentials like messaging and email. Turn it off for social media, news apps, and games.

6. Disable Automatic Cloud Photo Uploads

Your phone may be uploading every photo and video to iCloud or Google Photos over cellular data. A day of sightseeing could mean gigabytes of background uploads.

iPhone: Go to Settings > Photos > Cellular Data and turn it off. Android (Google Photos): Open Google Photos > Settings > Backup > Mobile data usage and turn off backup over mobile data.

Your photos are safe on your phone. They will upload when you are back on Wi-Fi.

7. Lower Video Quality for Calls

Most video calling apps default to the highest quality your connection supports. Lowering it can cut data usage by 60-70%.

WhatsApp: Go to Settings > Storage and Data and enable "Use Less Data for Calls." Zoom: Tap the three-dot menu in a call and select lower video quality, or go audio-only. FaceTime: Enable Low Data Mode (see tip 8) to automatically reduce FaceTime bandwidth.

8. Enable Data Saver Mode on Your Phone

Both major platforms have built-in data-saving modes that reduce background activity and limit app data usage across the board.

iPhone: Go to Settings > Cellular, tap your eSIM plan, then tap Cellular Data Options and enable Low Data Mode. This reduces background tasks, pauses automatic updates, and lowers streaming quality. Android: Go to Settings > Network & Internet > Data Saver and toggle it ON. This restricts background data for most apps and shows you which apps are using the most data.

This is the single easiest change you can make. One toggle, and your phone starts being smarter about data across every app.

9. Close Unused Apps Running in Background

Apps sitting open in your app switcher can still use data — refreshing content, maintaining connections, pulling notifications. Get in the habit of closing apps you are not actively using.

This is especially true for streaming apps, social media, and any app that shows live content. Closing them fully stops their background data usage until you open them again.

10. Check Your Data Balance Regularly

Awareness is the best data-saving tool. If you know where you stand, you can adjust your behavior before it is too late.

Log in to your account at onlyesim.com to check your remaining data and validity period. Make it a daily habit — a quick check over morning coffee takes five seconds and tells you whether you need to be more conservative or whether you have plenty of room to browse freely.

Bonus: Which Apps Use the Most Data?

Understanding where your data goes helps you prioritize your savings efforts. Here is a rough ranking from most to least data-hungry:

1. Video streaming (YouTube, Netflix, TikTok) — 700 MB to 3 GB per hour
2. Social media with video (Instagram, Facebook, X) — 100-500 MB per hour of scrolling
3. Video calls (Zoom, FaceTime, WhatsApp video) — 300-500 MB per hour
4. Maps and navigation (Google Maps, Apple Maps) — 5-50 MB per hour
5. Messaging (WhatsApp, iMessage, Telegram) — 1-10 MB per hour of text and voice

The takeaway: video in any form is the data killer. Control your video consumption on cellular data, and everything else is manageable.