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A smoother journey / eSIM Otter

Does the Galaxy S23 Ultra support eSIM?

Yes — the Galaxy S23 Ultra supports eSIM.

eSIM supported

The Galaxy S23 Ultra can install a travel eSIM alongside your usual SIM. Two more things to check: the model sold in your region supports eSIM, and the phone isn’t locked to a carrier.

Source: Samsung eSIM support information

Check your Galaxy S23 Ultra in 30 seconds

  1. Open Settings → Connections → SIM manager.
  2. If you see “Add eSIM”, your Galaxy supports eSIM. Some regional variants don’t, so check this menu rather than the model name alone.
  3. Make sure the phone isn’t carrier-locked; your carrier can confirm.

Unlocked Galaxy phones accept any carrier’s eSIM; carrier-branded ones may need unlocking first. Use our full compatibility checker if you bought the phone in mainland China, Hong Kong or Macao.

Install a travel eSIM on the Galaxy S23 Ultra

  1. Connect to Wi-Fi.
  2. Go to Settings → Connections → SIM manager → Add eSIM → Scan QR code from service provider.
  3. Name the eSIM (for example “Travel”) and keep your usual SIM for calls and texts.
  4. When you land, set the travel eSIM as your mobile data SIM and turn on Data roaming.

Illustrated installation guide

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Questions about the Galaxy S23 Ultra

Does the Galaxy S23 Ultra support eSIM?

Yes. The Galaxy S23 Ultra supports eSIM, so you can add a travel data plan without a physical SIM card. Regional versions can differ, so confirm “Add eSIM” appears in Settings.

Can I keep my number on the Galaxy S23 Ultra while using a travel eSIM?

Yes. Keep your usual SIM for calls and texts and use the travel eSIM for mobile data. Turn off data roaming on your usual line to avoid charges.

Does my Galaxy S23 Ultra need to be unlocked?

Yes. A carrier-locked phone can’t use another provider’s eSIM. Unlocked Galaxy phones accept any carrier’s eSIM; carrier-branded ones may need unlocking first.

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