Samsung Galaxy flagships feature one of the most powerful and versatile SIM Managers in the Android ecosystem. Here is how to configure your Galaxy S24 or S23 for flawless roaming in Asia.
Navigating Samsung SIM Manager
On your Galaxy device, open Settings > Connections > SIM Manager. Tap 'Add Mobile Plan' > 'Scan QR Code from Service Provider'. Hold your camera over the QR code sent by your provider and tap 'Add'.
Preferred SIM Card Configuration
Under 'Preferred SIM Card': - **Calls:** Set to Primary (Home SIM). - **Messages:** Set to Primary (Home SIM). - **Mobile Data:** Set to Travel eSIM. - **Auto Data Switching:** Toggle OFF to prevent accidental home data roaming fees.
Samsung APN Configuration Checklist
Most travel eSIMs configure Access Point Names (APN) automatically. If data fails to flow upon landing, go to Connections > Mobile Networks > Access Point Names > Add. Enter the APN specified in your provider's setup email (e.g., 'globaldata' or 'airalo') and tap Save.
Top eSIM Options Compared Side-by-Side
Compare the leading three international travel eSIM providers for Samsung One UI. All plans include instant QR code delivery and local 5G roaming:
| Provider | Network Partner | Standard Data | Validity | Price (USD) | Cost/GB | Promo Code | Action |
|---|---|---|---|---|---|---|---|
| Airalo | Samsung Android 5G | 10 GB | 30 Days | $30.00 | $3.00/GB | NEWTOAIRALO15 | Get eSIM → |
| Saily | Tier-1 Roaming | 10 GB | 30 Days | $27.99 | $2.80/GB | NILEROAM10 | Get eSIM → |
| Yesim | Multi-Carrier 5G | 10 GB | 30 Days | $29.00 | $2.90/GB | YESIM15 | Get eSIM → |
Avoid overpaying for unused gigabytes or getting cut off on vacation. Use our interactive Trip Data Calculator to model your exact destination, trip duration, social media habits, and remote work needs.
Complete Your Trip Essentials
Pair your connectivity with trusted airport transfers, multi-city flights, and comprehensive nomad protection: