Question 1

[For Android] How to Activate eSIM

Accepted Answer

Navigate to Connections menu on your Android Device

Then select “Mobile Networks” options to setting eSIM networks.

Switch ON “Data Roaming”

Ensure data roaming switch ON to using mobile data.

Turn off “Wifi”

Don’t forget to turn off wifi mode to make eSIM performs well.

Question 2

How do I install and activate an eSIM on a Huawei device?

Accepted Answer

It is recommended to install the eSIM a day before your trip. You need an internet connection such as mobile data or Wi-Fi to install the eSIM. To install via QR code, you need to use another screen like another phone or a computer.

How to install an eSIM on a Huawei device

Go to Settings > Mobile Network.
Tap SIM Management and select SIM 2.
Tap eSIM and then tap Add eSIM.
Tap Register QR Code and scan with the camera or register with a manual code.
Once the eSIM verification is complete, tap Add eSIM.

Steps for choosing eSIM for mobile data

Go to Settings > Mobile Network.
Select SIM Management.
Select SIM 2 for mobile data.
Activate mobile data. (For Huawei P40, go to Settings > Mobile Network > Mobile Data to activate mobile data.)

Steps for enabling data roaming on Huawei

Go to Settings > Mobile Network.
Activate mobile data.
Activate roaming for SIM 2 (eSIM).
You are all set. You can now connect to the internet abroad using the eSIM. If you have any questions, please contact our customer service, which is available 24/7. We are always ready to assist you.

Question 3

[For iOS] QR Code Is Not Working on My Voucher

Accepted Answer

eSIM cannot be added

If you see a message stating 'eSIM cannot be added' on your device during the eSIM installation, it might be due to network issues or because the installation has already been completed. This is a frequent problem encountered on iOS devices when using a QR code or manual setup.

Let’s see these checklist to identify the eSIM was already installed or not:

Ensure you can see the second network on top screen of your device that mean eSIM was installed (1).
Open general settings and choose “About”, then you can see the ICCID was appeared or not in physical SIM section (2).

💡 How to solve:

Check if there are any software need to update and install the latest version.
Maintain a stable and strong signal Wi-Fi connection.
Try to restart your device to fix any hidden misconfiguration automatically.
Try to turn OFF the mobile data for a couple minutes and then back to turn it ON.

Unable to continue cellular configuration or activate eSIM

If you see a message stating 'Unable to Continue Cellular Configuration' or 'Unable to Activate eSIM' on your device during the eSIM installation, it might be due to a weak network signal.

![](https://www.superalink.com/_next/image?url=%2Fassets%2Ftroubleshooting

Question 4

[For iOS] How to Activate eSIM

Accepted Answer

Access installed eSIM on your iOS Device After eSIM successfully installed on your device (in this case Superalink). Tap that eSIM.
Switch ON “Data Roaming” Ensure data roaming switch ON then you can connect to the internet.
Turn off “Wifi” Don’t forget to turn off wifi mode to make eSIM performs well.

Question 5

[For iOS] Connection Getting Slow on My eSIM

Accepted Answer

Slow internet can be caused by network congestion, signal issues, or device problems. If your eSIM allows it, try switching to another network for potentially better service. Check out these simple ways to fix your slow internet speed on your eSIM:

Switch network mode

Check the supported network type on your device (2G, 3G, 4G, or 5G). Then try switching the “network selection” or “voice & data” from default to other options either down or higher. Then, wait for several minutes and select back to the network you preferred.2. Change the network selection or operators

The network selection may selected automatically to the best connection. Turn off automatically mode, and you will see the list of providers that covered your eSIM. You can try to choose one of them until you get better connection. 3. Restart your device

If you see a message stating 'Unable to Continue Cellular Configuration' or 'Unable to Activate eSIM' on your device during the eSIM installation, it might be due to a weak network signal.

4. Reset network settings

If you have completed the three methods above, please try this one. By resetting the network settings by access th

Question 6

Which mobile devices are compatible with Supera Link eSIM?

Accepted Answer

Supera Link eSIMs are compatible with a wide range of newer smartphones and tablets, including models from Apple, Samsung, Huawei and Oppo. To ensure compatibility, check with your device manufacturer.

Notice on Incompatible (exception) models: devices manufactured in China/Hong Kong do not have eSIM functionality.

How to check:

Go to Settings
Check for the Add eSIM button on the Cellular screen
Note: iPads can only use this feature if they are models with cellular capabilities.

Supported Apple device models:

iPhone 16e
iPhone 16 Pro & Pro Max
iPhone 16 Plus
iPhone 16
iPhone 15 Pro & Pro Max
iPhone 15 Plus
iPhone 15
iPhone 14 Pro & Pro Max
iPhone 14 Plus
iPhone 14
iPhone 13 Pro & Pro Max
iPhone 13 Mini
iPhone 13
iPhone 12 Pro & Pro Max
iPhone 12 Mini
iPhone 12
iPhone 11 Pro & Pro Max
iPhone 11
iPhone XS & XS Max
iPhone XR
iPhone SE (2020 & 2022)
iPad 7
iPad Mini 5
iPad Pro (11")
iPad Pro 2 (11")
iPad Air 3
iPad Air 4
iPad Mini 6th generation
iPad Air 5th generation
iPad 8th generation
iPad 9th generation
iPad 10th generation

Supported Samsung device models:

Galaxy S25 Ultra
Galaxy S25+
Galaxy S25
Galaxy S24 FE
Galaxy S24 Ultra
Galaxy S24+
Galaxy S24
Galaxy S23 Ultra 5G
Galaxy S23+ 5G
Galaxy S23 5G
Galaxy S22 Ultra 5G
Galaxy S22+ 5G
Galaxy S22 5G
Galaxy S21 Ultra 5G
Galaxy S21+ 5G
Galaxy S21 5G
Galaxy S20 Ultra
Galaxy S20+
Galaxy S20
Galaxy Note 20
Galaxy Note

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