Frequently asked questions

An eSIM is a digital SIM built into your phone. It activates via a QR code without a physical card and connects to a carrier network.

Most flagship phones from 2018 onward: iPhone XS and newer, Google Pixel 3 and newer, Samsung Galaxy S20+ and similar. Check our compatibility page for the full list.

After payment we email you a QR code. In your phone's 'Add Cellular Plan' flow, scan it and the eSIM installs in under a minute.

Yes. The eSIM runs as a second line; your primary SIM stays active. Calls/SMS stay on your home number while data flows over the eSIM.

Our plans are data-only. You can still make voice/video calls via WhatsApp, FaceTime, Telegram or any VoIP app over the eSIM data.

Yes. From your account you can add data/days to the same eSIM profile or purchase a new plan; the change applies in seconds.

Cellesim runs on top-tier local carriers at the destination, strong coverage in cities, airports and tourist hotspots.

No. Plans are prepaid and commitment-free. What you see is what you pay, no surprise bills.

Not when you install. The clock starts the moment you first connect to the destination network, so you don't waste any days.

Reach our 24/7 live support from your account or the website, most issues resolve in minutes.

For most countries, no KYC or passport verification is required. A few regions require additional docs by local law; it's noted on the product page.

No. WhatsApp stays tied to your primary SIM number; the eSIM only adds data.

Yes. Personal Hotspot works to share eSIM data with tablets, laptops or a friend's phone.

Yes, if the fault is ours, we refund in full. Used plans get a transparent prorated refund; details in our refund policy.

Dial *#06# from the dialer, if an EID is shown, eSIM is supported. You can also check quickly on our device compatibility page.

Country plans work only in that country. Regional plans (Europe, Asia, Global) cover multiple countries, each product page lists the exact coverage.