One of the biggest worries while traveling is running out of mobile data. The good news: checking your eSIM data usage takes about 10 seconds. Here's how to do it on every device, plus tips to make your data last longer.
Check Usage on iPhone
Method 1: Settings (Quick Check)
You'll see a section for each SIM line (your primary SIM and your eSIM). Under each line, it shows total data used since your last statistics reset.
Reset your counter at the start of your trip. Scroll to the very bottom of the Cellular page and tap "Reset Statistics." This zeros out the counter so you can track exactly how much data you've used during your trip.
Method 2: Per-App Breakdown
In the same Settings → Cellular screen, you'll see a list of all apps with their individual data usage. This tells you which apps are consuming the most data — often Instagram, YouTube, or cloud photo backup are the biggest culprits.
iPhone doesn't show remaining data. It only shows how much you've used, not how much you have left. To check remaining data on your eSIM plan, use the Zyroam usage page (see below).
Check Usage on Android
Samsung Galaxy
Google Pixel / Stock Android
Android shows a graph of your data usage over time, plus a per-app breakdown. You can also set a data warning and data limit to get notified before you run out:
Set a data warning on Android. If you have a 5GB plan, set a warning at 4GB. Your phone will alert you when you're getting close — so you're never caught off guard.
Check Usage via Zyroam
The most accurate way to check your remaining data is through Zyroam directly. This shows your exact remaining data balance from the carrier — not an estimate.
The Zyroam usage page shows your remaining data in GB, plan validity, and when your plan expires. You can also refresh the data to get the latest numbers.
Tips to Save Data While Traveling
Download offline maps. Google Maps → search your destination → Download → select area. Navigation then uses almost zero data. Do this for every city you're visiting.
Disable iCloud/Google Photos auto-backup. Your photos and videos upload automatically in the background, consuming gigabytes without you knowing. Switch to WiFi-only backup: iPhone: Settings → Photos → Cellular Data → OFF. Android: Google Photos → Settings → Back up & sync → Use cellular data → OFF.
Turn off app auto-updates. App Store and Google Play update apps automatically, often downloading hundreds of MB. iPhone: Settings → App Store → App Updates → OFF. Android: Play Store → Settings → Network preferences → Auto-update → WiFi only.
Lower video streaming quality. YouTube: tap your profile → Settings → Video quality → Data saver. Netflix: Downloads → Video quality → Standard. This can cut video data usage by 60–70%.
Use hotel WiFi for heavy tasks. Save large downloads, video calls, and social media scrolling for WiFi. Use your eSIM data for on-the-go essentials: maps, messaging, and quick searches.
What to Do When Data is Low
Frequently Asked Questions
Why does my phone show different data usage than Zyroam's usage page?
Your phone counts all data that passes through the network interface, including protocol overhead and failed connections. The carrier (what Zyroam shows) counts only successfully transmitted data. The carrier count is the one that matters for your plan balance.
Does data used on WiFi count against my eSIM plan?
No. When you're connected to WiFi, your phone uses the WiFi connection for internet traffic. Your eSIM data is only consumed when WiFi is disconnected and your phone falls back to cellular data.
Can I set my phone to automatically stop using data at a certain limit?
On Android, yes — go to Settings → Data usage → Data warning & limit → Set data limit. When you hit the limit, your phone disables cellular data automatically. On iPhone, there's no built-in limit feature — you'll need to monitor manually or use the Zyroam usage page.
What happens when I run out of data?
Your internet connection stops, but your phone still works for WiFi. You won't be charged extra — eSIM plans don't have overage fees. You can top up, connect to WiFi, or buy a new plan to get back online.
How often should I check my data usage while traveling?
Check once per day, ideally in the evening. This helps you gauge your daily consumption and adjust your habits if you're burning through data faster than expected. A quick check takes 10 seconds.
Check Your eSIM Data Now
See your remaining data balance, plan validity, and top-up options.
Check Data Usage →