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An eSIM (embedded SIM) is a digital SIM card built into your device. It lets you activate a mobile data plan instantly — no physical card, no waiting.

iPhones XS and later, Google Pixel 3+, Samsung Galaxy S20+, and most flagship Android phones. Check Settings → Cellular → Add eSIM on your device.

After purchase you receive a QR code. Scan it with your camera app — your phone guides you through activation in under a minute.

Yes. Most phones support dual SIM — keep your home number for calls while using the eSIM for local data.

Every plan you buy pays 5% of its price back to your Siima account as credit once your eSIM is delivered, and top-ups earn it too. The credit comes off the plan price at your next checkout automatically. There are no points, tiers or codes to manage.

Fixed-GB plans: no. You get the local network's full speed for the entire allowance you bought — no fair-use throttle and no daily cap. When the data runs out the plan simply stops (buy another anytime); it's never silently slowed. Unlimited plans work differently — each gives a set amount of full-speed data, then a reduced speed, and the exact figures are shown on every plan. See the next question.

An unlimited plan never runs out and your eSIM is never disconnected — only the speed changes. Each plan gives a set amount of full-speed data and then a reduced speed, and the figures depend on which of the four unlimited families you pick: Unlimited (Lite) gives 1 GB a day, then 512 kbps; Essential gives 1 GB a day but slows only to about 1,250 kbps; Plus gives 2 GB a day, then 2,048 kbps; and Premium gives one larger allowance for the whole plan — 30 to 90 GB depending on length — then 2,048 kbps. Daily allowances refill every 24 hours from when you first activate the eSIM. The families are not a simple price ladder: Premium often undercuts Plus, so compare the prices actually on offer. Every plan shows its own figures before you buy. Want every gigabyte at full speed? Choose a fixed-GB plan.

Yes. Siima is a working eSIM marketplace: your eSIM is ready the moment you've paid — in your account, or by an emailed link if you checked out as a guest, checkout runs on Stripe so we never see your card, no account is required, and every purchase is backed by support and a 5-day refund if the eSIM hasn't been installed. Plans run on established local network operators.

No. Every plan is a one-time purchase. You decide when to buy more.

Payments are handled by Stripe (PCI-DSS Level 1). We never see or store your card details.

Buy another plan or a top-up at any time — your eSIM stays on your phone, so there is nothing to reinstall.

Contact our support team and we will troubleshoot or issue a full refund. We stand behind every purchase.