Try KeySIM – Free Evaluation SIMs

Test KeySIM multi-network connectivity in your devices before committing to a full deployment.

Test Before You Commit

Get free trial SIMs to test multi-network connectivity across Vodafone, O2, EE, and Three in your devices.

21-day trial or 750 MB data
Free portal access for testing
No commitment required
Request Your Trial SIM Now

Trial Features & Network Access

Multi-Network Coverage

Your trial SIM will have access to all four major UK networks:

  • Vodafone
  • O2
  • EE
  • Three

Portal Management

Full access to the KeySIM Management Portal where you can:

  • View live data usage
  • Send and receive SMS
  • Switch between networks remotely
  • Turn your SIM on/off instantly
  • Label your SIM for identification
Portal Access: Trial users are granted portal access only for their specific trial SIM. You'll experience the same management tools available to live customers, but in a limited test environment.

Who can apply

Trial SIMs are issued to UK business addresses by default.

Individuals or hobbyist developers should contact us first to confirm compatibility.

Fair Use Policy

Trial SIMs are for genuine evaluation purposes — ideal for testing routers, IoT devices, and connected hardware.

KeySIM reserves the right to:

  • Limit the number of trial SIMs issued
  • Refuse applications where intended use is not for legitimate evaluation

Trial SIM Application Form

Complete the form below to receive your evaluation SIM

Contact Information
Delivery Address
Evaluation Details

Your information is secure and will only be used to process your trial request

What You Get

  • Access to all 4 UK networks
  • KeySIM Management Portal
  • Live data usage monitoring
  • SMS send/receive capability
  • Remote network switching
  • Instant on/off control

Trial Duration

21 days from dispatch
or
750 MB data usage

(whichever comes first)

Need more time? Contact us before your trial expires.

Quick Setup

Getting started with your trial SIM is simple:

  1. Set APN to "key"
  2. Enable data roaming on your device
  3. For SMS from mobile phones, ensure international SMS is enabled

Need Help?

Questions about your trial? Our team is ready to assist.

+44 (0) 161 706 0680

Frequently Asked Questions

Trial SIMs are valid for 21 days from dispatch or up to 750 MB of data usage, whichever comes first. If you need more time for testing, please contact us before the trial expires.

The SIM will automatically deactivate after the trial period ends. If you're satisfied with the service, our team will help you set up a full account with your preferred PAYG pricing plan. There's no obligation if you decide not to continue.

No, trial SIMs do not need to be returned. The SIM will automatically deactivate and can be recycled or disposed of safely.

KeySIM reserves the right to limit the number of trial SIMs issued per application. If you need multiple SIMs for testing, please explain your requirements in the "Evaluation Details" section of the application form.

Set the APN to "key", enable data roaming on your device, and if sending SMS from a mobile phone, ensure international SMS is enabled. That's it!

Once your application is approved, we aim to dispatch trial SIMs promptly, typically within 1-2 business days. You'll receive portal access credentials once your SIM is activated.

Trial SIMs are issued by default to UK business addresses. If you're an individual or hobbyist developer and believe KeySIM could be suitable for your project, please contact us first to confirm compatibility before applying.