How to Install an eSIM on iPhone & Android (Step-by-Step)

Installing an eSIM takes about five minutes and you only do it once per plan. Do it at home over Wi‑Fi before you travel, then simply switch the line on when you land. Here’s exactly how.

Before you start

• Make sure your phone is eSIM-compatible and unlocked.
• Have a stable Wi‑Fi connection.
• Keep the QR code from your order email handy.

Install on iPhone

1. Open Settings → Mobile Service (or Cellular) → Add eSIM.
2. Tap Use QR Code and scan the code from your CometSIM email.
3. Label the plan (e.g. “Travel”) and finish setup.
4. Leave the line off until you arrive; then turn it on and enable Data Roaming for that line.

Install on Android

1. Open Settings → Network & Internet → SIMs → Add eSIM (wording varies by brand).
2. Scan the QR code from your email.
3. Confirm to download the profile.
4. On arrival, set the eSIM as your data line and turn on Data Roaming for it.

Can’t scan the QR code?

Choose “Enter details manually” and paste the activation code from your email. Still stuck? See our setup guide or reply to your order email.

FAQ

Will installing use my data?
No — install over Wi‑Fi. Only turn the line on when you want to use data abroad.

Can I keep WhatsApp on my normal number?
Yes. Your home SIM stays active; the eSIM just adds data.