On Tesco Mobile, there are three main benefits of being a Clubcard member:
If you’re a Clubcard Plus member, you’ll get double data on all Tesco Mobile plans.
You can double up your Tesco Clubcard vouchers to spend at Tesco Mobile. For instance, you can pay a £10 per month bill using only £5 of Clubcard vouchers.
You’ll earn Clubcard points on all of your Tesco Mobile spend. This gives you up to 3% back on your Tesco Mobile spend (or up to 6% back if you’re a Clubcard Plus member).