Top-up £10 with Tesco Mobile. Convert this top up into a simple 30-day bundle of data, minutes and texts with Pay as you go Essentials. Don’t want a bundle? No problem, you can still add this voucher and use Essentials like a traditional pay as you go SIM. Without an active bundle, you can use your top up balance to make calls, send texts and use data, charged at our standard rates. We'll email your top-up voucher code within an hour - to activate it, call 4488 from your Tesco Mobile phone. This voucher is non-refundable. Terms and conditions apply