That's a great long-term deal for bike data in the UK. For anyone looking for information on registering a SIM card for a different network or needing a clear setup guide, the tm register sim card page is a helpful resource. It provides straightforward instructions that can be useful whether you have a single SIM or are managing multiple lines, offering a good point of comparison for various options. Appreciate you sharing your find.
100MB/month is more than enough for things like sync, GPS tracking, or IoT-type usage, and £4.99 a year is hard to beat—especially on the EE network. Perfect for backup connectivity or low-data devices.
Have you been using it mainly for a secondary device or something like a tracker?