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Does the ASUS Zenfone 12 Ultra support eSIM?
ASUS Zenfone 12 Ultra eSIM compatibility
Yes, the ASUS Zenfone 12 Ultra supports eSIM. All global models of the device include eSIM functionality, making it compatible with digital carrier profiles worldwide. If you're searching for whether the ASUS Zenfone 12 Ultra has eSIM, the answer is a clear yes across all regional variants.
Dual SIM capabilities
The ASUS Zenfone 12 Ultra offers dual SIM capability, letting you use one physical nano-SIM and one eSIM simultaneously. This configuration is ideal for separating work and personal numbers, or for keeping your home carrier active while adding a local data plan when you travel. You can switch between SIM profiles in Settings without physically swapping cards. The device does not support dual eSIM operation—you'll need to use the physical SIM slot if you want two active lines at once.
How to set up an eSIM on the ASUS Zenfone 12 Ultra
Step-by-step eSIM installation
Setting up an eSIM on your ASUS Zenfone 12 Ultra takes about 60 seconds once you have your QR code or activation details from your carrier or eSIM provider. Before you begin, make sure you have a stable Wi-Fi connection.
- Open Settings on your ASUS Zenfone 12 Ultra.
- Tap Network & internet, then select SIMs or Mobile network.
- Tap Add mobile plan or the + icon to add an eSIM.
- Choose Scan a QR code and point your camera at the QR code provided by your carrier or eSIM service.
- Tap Download when prompted, and wait for the eSIM profile to install (typically 30–60 seconds).
- Once installed, label your eSIM line (e.g., "Travel Data" or "Work") to distinguish it from your physical SIM.
- Set your preferences for which SIM to use for calls, texts, and mobile data in the SIM settings menu.
Activate and manage your eSIM
After installation, you can enable or disable the eSIM profile at any time through the SIM settings. This flexibility lets you pause a travel eSIM when you return home, then reactivate it on your next trip without reinstalling the profile.
Using a travel eSIM on the ASUS Zenfone 12 Ultra
Stay connected abroad without roaming fees
A travel eSIM is the easiest way to get mobile data when you're abroad, without paying international roaming charges from your home carrier. You can browse eSIM plans for your destination, purchase a data package, and receive the QR code by email—often within minutes. Install the eSIM on your ASUS Zenfone 12 Ultra before you fly, and it will connect automatically when you land.
Because the Zenfone 12 Ultra supports dual SIM, you can keep your home physical SIM active for calls and text messages (or turn off data roaming on it to avoid charges), while the travel eSIM handles all your data. This setup means you stay reachable on your usual number and get affordable local data rates at the same time.
Install your travel eSIM before departure
Most travel eSIM plans activate based on first use or a specific start date, so you can install the profile days before your trip. Once you arrive, simply turn on mobile data for the eSIM line, and you're connected. No need to hunt for a SIM vendor at the airport or deal with a physical card swap.
Tips & troubleshooting
Enable data roaming for your eSIM line
When you use a travel eSIM, you must enable data roaming for that specific line in the SIM settings. This isn't the same as your home carrier's roaming—you're using a local or regional network through the eSIM provider, so roaming must be on for the eSIM to connect. Go to Settings > Network & internet > SIMs, select your eSIM, and toggle Roaming to on.
Keep your home SIM active for calls and verification codes
Leave your physical SIM enabled (but turn off mobile data for it) so you can receive calls and two-factor authentication codes on your home number. In the SIM settings, set Mobile data to use the eSIM by default, and leave Calls set to your home SIM or "Ask every time."
Fix an eSIM that won't activate
If the QR code won't scan, check that your camera lens is clean and the code is displayed at full brightness. You can also enter activation details manually by selecting Enter it manually instead of scanning. If the eSIM downloads but won't connect, restart your ASUS Zenfone 12 Ultra, confirm that the eSIM line is enabled in SIM settings, and verify that data roaming is on. For persistent issues, you can get eSIM setup help or contact your eSIM provider for a replacement QR code.
If you want to check another device's eSIM compatibility for a family member or secondary phone, use our compatibility database to confirm support before purchasing an eSIM plan.
