Yes, right now it's mostly just wifi at stations only. However, they're deploying 4G/5G coverage in the tunnels and expect 80% coverage by the end of 2024 [1].

Yes, right now it's mostly just wifi at stations only. However, they're deploying 4G/5G coverage in the tunnels and expect 80% coverage by the end of 2024 [1]. So… you can expect apps developed by engineers in London to get much worse on slow internet in 2025. :-) [1]: https://tfl.gov.uk/campaign/station-wifi https://tfl.gov.uk/campaign/station-wifi