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Check in the app

1

Open Fizen App → eSIM

From the home screen, tap eSIM.
2

Tap My eSIMs and select your eSIM

You’ll see every eSIM you own. Tap the one you’re using.
3

Read the Data used counter at the top

The eSIM details screen shows Data used right at the top, e.g. 500MB / 5GB, so you instantly know how much you’ve spent and how much is left.
The same screen also shows everything else about your plan:
  • Plan summary — daily allowance, duration, and type (e.g. 1 GB/day · 7 days · Data only)
  • Expiry date — when the plan stops working
  • Coverage and Package details — countries and full plan terms
  • ICCID (under Manual installation) — the number support may ask for
Usage stats can take a few minutes to sync. Your phone’s built-in data counter measures the whole line since it was last reset, so it usually won’t match the plan balance exactly. The app is the accurate source.

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Running low?

Tap Buy another eSIM at the bottom of the same screen, or pick a new plan from the eSIM home tab. It takes a few taps and there’s nothing to reinstall.
Buy the top-up before the old plan runs out and you’ll stay connected the whole time, no gap, no hunting for Wi-Fi.

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Make your data last longer

  • Turn off background app refresh and auto-updates while traveling
  • Watch hotspot sharing, it drains a plan faster than anything else
  • Set video streaming apps to lower quality on mobile data
  • Maps work offline: download your city’s map on hotel Wi-Fi first