In 2017 my "old" (only about 15 years) Nokia portable phone, always on PAYG, was destroyed by water damage – only 3 years after I had replaced its battery.
Learning Orange had been taken over by EE I went to the EE shop. That talked me into a complete broadband landline and allegedly-PAYG portable contract, complete with a clumsy and basically unusable LG2017, so-called "smart", portable.
I did not realise at the time that EE was already BT-owned, pretending to be separate and probably managed separately, but one company in reality. (Like the many railway franchise badges hiding their First Group ownership.)
I began to have second thoughts, then BT Sales started saying how sorry they were to lose me as a long-term customer, which indeed I had been.
The upshot was my cancelling the EE contract and negotiating a new one with BT.
I had to pay off the 18 months left to EE; but off-set by £20: I sold the LG 'phone for £50 and replaced it with a simple Nokia one for £30, on PAYG with O2. Then had to give everyone my new number – the shops don't tell you that you can transfer it!
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I refuse BT's blandishments to use their very expensive 'Halo' and similar. Those are for people rich enough but daft enough to watch single-issue subscription TV channels on-line at >£30/.month – while moaning about the stupidly-low £12/month TV "Licence" subscription to far greater TV + radio choice!
A measure of those services is BT's ads waffling about sports fixtures and films as if that is all anyone wants. Maybe they do, out there in We-Allsylvania.
BT did sign me to Halo, pretending it an "up-grade" or new default service, or some such lies. I managed to revert to a proper service.
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I have BT's answering-service, but do not also pay for call-barring etc. I bought a BT 'phone that allows that, only then discovered it needs that subscribed extra and being powered from the household mains. I replaced it in its box, unused. I must try to sell it!
I think I bought it in Argos, of blessed memory.
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Result?
– Roughly £35 / month for BT land-line telephone and Internet services that I both want and need,
– Well under £50 a year on PAYG portable 'phone calls.
As far as I can determine I would not gain anything cheaper or of better value elsewhere; and I have always found BT's sales people do care about what I want.
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As for 3G ending, that remains to be seen. I have not received any official announcement from O2, and will not change unless and until necessary.
Post- EE and LG, I do not want a so-called "Smart"-'phone, whatever x-G. It is physically-clumsy, hard to operate, likely to have no instruction-manual, and may need a costly contract just to ring my sister (who has no land-line) one or twice a year, or send the 4 or 5 words typical of my few "txt msgs" .
Nor do I know if the number can be transferred, if it the network itself that is changing.
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I do know 5G does not really irradiate you with Malhumours Of The Spleen and give you Cyan Molars; whatever it says on't 'Net. I am not totally technically ignorant, and can even do change-wheel sums.
Although software like CAD and MS 'Access' is largely beyond me, I used very sophisticated, computer- and manually- driven, electronic signal-analysers etc. at work. The computer programmes were all locally-written and not always very helpful. One, in BASIC, even needed you to change test-frequency by editing a command-line, not normal entry.
Of course you needed know what you were testing, including having to understand logarithms; but those instruments were easier to use than most modern domestic electronics like "smart"-'phones and many µ-wave ovens – and were even supplied with real instruction-manuals!
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Progress is merely chronology; but are we really advancing as a society, or only in electronics and complexity?