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Old July 14th 19, 10:33 AM posted to uk.railway,
Roland Perry Roland Perry is offline
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First recorded activity at LondonBanter: Aug 2003
Posts: 9,983
Default Dual SIM phones was:Worker killed by Southern train was covering for brother

In message , at 11:09:30 on Sun, 14 Jul
2019, tim... remarked:

I'm not sure how many phones ever took the full size SIM.

Commercial considerations killed them off: the idea was that a person
would have a SIM, and be able to share/borrow a phone to use it in.

But the networks wanted to tie people into having their own phone
(and contract) in particular not wanting a phone they'd subsidised
being used with a SIM from a rival network,

They solved that problem by having phones "network" locked

My "acquired" smart phone still is

Is still what. Locked? That's hardly unusual.
Roland Perry