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Oppo A55s 5G
Mis à jour en 2026

Everything you need to know about the Oppo A55s 5G: eSIM compatibility by region (US, Europe, China, Japan), model numbers, Dual SIM configurations, and step-by-step instructions for activating your travel eSIM without roaming charges.

Does Oppo A55s 5G Support eSIM?

Yes, the Oppo A55s 5G has supported eSIM technology natively since its release in 2021. You can activate up to 1 eSIMs simultaneously and store 2 profiles on the device, making it ideal for combining your primary line with a travel eSIM without replacing your physical SIM card.

Specifications

1

eSIM can be activated

2

storable eSIM profiles

2021

Year of release

Use an eSIM while keeping a physical nano-SIM (Dual SIM depending on operator).

Travel or switch carriers easily without replacing your SIM card.

Find an eSIM for your next destination

What should you do before installing an eSIM on your Oppo A55s 5G?

Before installing an eSIM on your Oppo A55s 5G, check these important points:

  1. 1

    The Oppo A55s 5G is unlocked (unlocked for all carriers).

  2. 2

    Your model is not a specific "Mainland China" model (eSIM restrictions may apply).

  3. 3

    Your Android version is up to date (Android 11+ minimum) to ensure maximum compatibility.

  4. 4

    Install the eSIM via our app, which guides you step by step.

  5. 5

    Activate your eSIM with an Internet connection (Wi-Fi or data) to avoid any blockages.

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Do you have another device?

Instantly check if it supports eSIM technology.

Use your Oppo A55s 5G with an eSIM worldwide

Browse our most popular destinations and get connected instantly.

Chureito Pagoda and snowy Mount Fuji behind the cherry blossoms in bloom
JP

Japan

From$1.40 USD
Turquoise lagoon framed by karst cliffs, at the Phi Phi Islands
TH

Thailand

From$2.30 USD
Bustling shopping street at twilight, in Seoul
KR

South Korea

From$1.90 USD
Manhattan skyline at sunset, featuring the Empire State Building
US

United States

From$1.70 USD
View all destinations

Frequently asked questions about the Oppo A55s 5G and eSIM

Yes: the Oppo A55s 5G is fully compatible with eSIM and works perfectly with our app that sells eSIMs. You can download, purchase, and install your eSIM directly through the app.

Yes, if your carrier and model allow it. the Oppo A55s 5G supports the "nano-SIM + eSIM" (Dual SIM) configuration in many countries. This allows you to keep your primary number while adding an eSIM, for example for travel.

The validity period of an eSIM depends on the plan chosen and the activation method. In general, it begins when you first connect to the local operator's network. To ensure a smooth trip, we recommend activating your eSIM one week in advance. This will allow you to verify that everything is working properly and avoid any unexpected issues.

You can activate up to 1 eSIMs on the Oppo A55s 5G. However, it can store up to 2 eSIM profiles.

Go to your Oppo A55s 5G in Settings → Network & Internet → SIM & mobile network → Add an eSIM plan. If this option appears, your Oppo A55s 5G is eSIM compatible. If not, check that your Android version is up to date and that your device is unlocked.

Yes: the Oppo A55s 5G is fully compatible with travel eSIMs. Buy an eSIM for your destination from our app, activate it before departure and keep your main SIM active: you use mobile data abroad without roaming charges while keeping your number.

No: travel eSIMs are linked to the device on which they have been installed. Once activated on the Oppo A55s 5G, an eSIM cannot be moved to another phone. If you change handset, you will need to purchase a new eSIM for your new phone.

Yes: unlike a physical SIM, an eSIM cannot be removed or cloned in the event of theft. Its activation requires cryptographic authentication with the operator, and the data is stored in a secure chip embedded in the Oppo A55s 5G, making SIM swapping attacks considerably more difficult.

Yes, if you switch to an eSIM with your main operator, your number is retained: your operator provides you with a QR code to scan from the the Oppo A55s 5G settings. Travel eSIMs in our application do not contain a phone number: they are used for mobile data only, and complement your main line.

The eSIM remains associated with the lost device and cannot be transferred. Block your phone and contact your operator to suspend your main line. For a travel eSIM purchased via our application, contact our customer support team, who will examine your situation on a case-by-case basis.