What APN settings do I need for my KeySIM?

KeySIM uses a custom APN. Set the APN name to 'key', leave the username and password blank (NONE), and set the authentication type to NONE. Enable roaming if the option is available on your device.

Why won't my Apple iPhone let me change the APN settings?

Apple iOS devices do not allow manual APN entry through the settings screen. Instead, you must download and install a custom APN configuration profile. It is vital that your mobile data plan is set to KeySIM at the point you install the profile, as this is how Apple determines which SIM card to apply the profile to.

How do I install the KeySIM APN profile on an iPhone?

First, set your mobile data plan to KeySIM. Then download the KeySIM configuration profile. Go to Settings and tap 'Profile Downloaded'. Follow the prompts to install the profile. The APN settings will be applied automatically to your KeySIM card.

Do I need to enable data roaming for my KeySIM?

Yes, enabling data roaming is recommended where the option is available. KeySIM SIM cards are multi-network and may roam between Vodafone, O2, EE, and Three. Enabling roaming ensures your device can connect to the best available network.

My device isn't listed, what should I do?

The process is broadly the same across devices: navigate to your mobile or cellular data settings, look for an Access Point Names or APN option, and add a new entry using the KeySIM settings. Contact our team if you need help with a specific device.

APN Settings Guide | Configure Your Connection

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What Are APN Settings?

KeySIM cards use a custom Access Point Name (APN) that must be correctly programmed in your device before you can access mobile data. The APN tells your device how to connect to the mobile network—without the correct settings, your SIM card will not be able to establish a data connection.

APN settings are updated differently depending on the device. Choose your device below for screenshots and step-by-step instructions to get connected quickly.

KeySIM APN Settings

Setting	Value
APN	`key`
APN Username	NONE (leave blank)
APN Password	NONE (leave blank)
Authentication Type	NONE
Data Roaming	Enable (if available)

Enable data roaming where possible. KeySIM cards are multi-network and may connect to Vodafone, O2, EE, or Three. Enabling roaming ensures your device can connect to the best available network. You can also use the Network Steerer in KeyOnline to manually select a preferred network.

Setup Guides by Device

Select your device below for step-by-step APN configuration instructions and screenshots.

Android

Add a custom APN directly through your Android device settings.

Apple iOS

Install the KeySIM APN configuration profile on iPhone or iPad.

ZTE Routers

Configure roaming and APN settings on ZTE routers via the app or web interface.

Teltonika Routers

Configure the APN on Teltonika RUT routers through the web interface.

My Device Isn't Listed — Or I Still Need Help

The guides above cover the most common devices. If your device manufacturer isn't listed, the process is broadly the same — navigate to your mobile or cellular data settings and look for an Access Point Names or APN option, then add a new entry using the settings in the table above.

If you're still having trouble getting connected, our team is happy to help. Contact us and we'll walk you through the setup for your specific device.

Connected and Ready to Go?

Once your APN is configured, manage your KeySIM cards from the KeyOnline portal — monitor data usage, steer networks, and activate or deactivate SIMs instantly.

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