Relocating to USA - advice needed

[Humpty]

Hi, I am relocating to the US but with frequent trips back to the UK. I need advice about the best phone set-up going forward. My goal is to mainly use some US network, but still keep my UK number. 

Details:

a) I have an iPhone SE, I think I unlocked it (I went through the unlocking steps and got a message from O2 saying "Your iPhone can now be unlocked...iTunes...", so am not sure whether it is unlocked yet or not!)

b) I have some old phones lying around, e.g. an old Motorola from a decade ago.

c) I was thinking of putting the O2 SIM in the old phone, so people can still call me on UK number. When I do this it says I need a Network PIN. Where do I get this? Will it work?

d) And then get a US contract and put the US SIM in the iPhone SE. Can I use any US network?

Is any of that a sensible and/or viable plan?

I did also buy a WorldSIM Duet on the plane over. It's supposed to allow me to use two SIMs, maybe put the O2 SIM in that instead of the Motorola. If I can get it to work.

Other possibilities would be:

a) Start afresh with a whole new US phone and contract.

b) Get a dual SIM phone.

c) Give O2 lots of money for some bolt on.

Confused, exhausted and jetlagged! ANy advice much appreciated.

[MI5]

They won't take your number away on contract as long as you keep paying the bills.
PAYG requires one chargeable activity once every 6 months to keep the SIM active.

[TallTrees]

Yeh and if you forget to keep your sim active the sim goes dead and any money gone too 😫😫
Life's SO difficult, @Humpty 

I seem to be always "walking this walk"

[Humpty]

Wait until we have a Corbyn government. Don't leave your house empty for too long!

[TallTrees]

No worries @Humpty
When Boris has finalised his vision for UK future that'll be the least of concerns🤓

[JAZZ-trad]

Hello @Humpty 

Probably a complete re-think (however distressing) is probably the way to go.

Great advice from MI5 re phone. Seems quite a head-ache combining old

mobile phones etc. to get the perfect "fit".

Good Luck and hope you enjoy your relocation to the United States.

JAZZ-trad

[MI5]

Carrying 2 phones around can be a real PITA so a dual sim device is definitely the way to go.

[pgn]

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@MI5 wrote:
Carrying 2 phones around can be a real PITA so a dual sim device is definitely the way to go.

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Which the OnePlus range of phones is - dual-sim. 

Other makes of dual-sim phones are available... 

[MI5]

I wouldn't have anything else

[pgn]

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@MI5 wrote:
I wouldn't have anything else

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Me either - although I've been reading about some odd behaviour in the OP 7 Pro, random resets currently.  My 6T has a while to go yet though, and I see you went from 5 to straight 6 when I wasn't looking...

[MI5]

Yeah, not too keen on the 7 so waiting to see what the 8 is like