Receive a FREE Voxi SIM with 45GB Data when you Buy Any SIM Free Handset. Code auto applies when £10 SIM as added to basket with a SIM Free device. Scroll through Instagram, send off a Snap or reply to your mates on WhatsApp. All without using any data thanks to the Voxi £10 SIM Card. With Unlimited Social Media, you can save that 45 GB of data for the important stuff, like using maps or sending emails. The SIM card also supports 5G networks, so with a compatible phone, you can do it faster than ever. Plus, with unlimited calls and texts, you'll always be in touch with the ones you love. Getting started on VOXI is super simple. After purchasing, just go to voxi.co.uk and register your details and voucher with the SIM.