twimg.com is the backend used for images and videos on Twitter.
I'm aware of that, but it'd be useful to know who tweeted it.
Virgin MVNO used T-Mobile (then becoming EE), then Vodafone, so until they move to O2 proper I can't see how they could use the O2 (Wi-Fi Extra) SSID on the Underground.
I've got a Giffgaff SIM I'm testing and that doesn't work on the tube, as the SIM authentication fails.
I'm on the Northern line now (alighting at King's Cross) and posted this using EE. That connected perfectly, which wasn't always the case in recent months.
Virgin used T-Mobile, then EE after the merger with Orange, then started migrating people to Vodafone while also starting the VMO2 joint venture.
New customers in 2021 would be on Vodafone, but old customers would migrate to Vodafone during 2022, but when the VMO2 JV happened, they announced they would terminate the agreement with Vodafone, and by the end of 2022, all customers were now on O2.
The current migration is to O2 plans, but all customers are currently still on the O2 network.
The operator has also confirmed that all of their underlying mobile network traffic is now being run across the O2 network, with Virgin Mobile’s move away from Vodafone’s Mobile Virtual Network Operator (MVNO) platform being completed last year. This comes just a year and a half after Virgin Media and O2 merged in June 2021.
Broadband ISP Virgin Media UK (VMO2) has today confirmed what we published yesterday (here), which is that, starting from March 2023, Virgin Mobile's 3 million
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