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OPPO A55s 5G

The OPPO A55s 5G is on eSIM compatibility lists for Japan, but we couldn't confirm it in a manufacturer spec sheet, and it isn't on GSMArena's OPPO eSIM list. Other versions shouldn't be assumed to have it.

Last updated

eSIM Compatible
  • eSIM slots1
  • Physical SIMYes
  • eSIM-onlyNo
✈

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The OPPO A55s 5G sits in a gray area. eSIM lists mention it for Japan, but we couldn't confirm that from a primary source.

Key Takeaways

  • Treat eSIM as unconfirmed until you see Add eSIM on your phone.
  • Japanese versions are the only ones lists point to.
  • Unlock the phone first.

Does the OPPO A55s 5G Support eSIM?

Possibly, on Japanese versions only. OPPO's eSIM phones are generally limited to Japan and certain regions, and compatibility lists include the A55s 5G. It isn't on GSMArena's OPPO eSIM list, though, so check your phone's SIM settings before you buy a plan.

OPPO A55s 5G eSIM Compatibility

ModeleSIM SlotsPhysical SIMeSIM-OnlyReleased
OPPO A55s 5G (Japan, check your phone)1YesNo2021

Checked November 2026 against manufacturer pages and GSMArena spec listings.

How to Activate eSIM on OPPO A55s 5G

  1. Open eSIM settings. Go to Settings → Mobile network → eSIM.
  2. Add eSIM. Tap Add eSIM. If it isn't there, your version has no eSIM.
  3. Scan the QR code. Connect to Wi-Fi and scan the QR code Roamix emailed you.
  4. Set as data line. Choose the Roamix eSIM as your data SIM.
  5. Turn on Data Roaming. Turn on Data Roaming for the Roamix line when you land.

OPPO A55s 5G eSIM Troubleshooting

Add eSIM is missing: Your version has no eSIM, or the phone is carrier-locked.

OPPO A55s 5G eSIM: Frequently Asked Questions

Does the OPPO A55s 5G have eSIM?

Possibly, on Japanese versions. Compatibility lists include it for Japan, but it isn't on GSMArena's OPPO eSIM list and we couldn't find a manufacturer spec sheet confirming it. Check for Add eSIM under Settings → Mobile network → eSIM.

Will a travel eSIM work on an OPPO A55s 5G from a Japanese carrier?

Only if the phone is SIM-unlocked and shows the Add eSIM option. Unlock it through your carrier first.