[bkupris]

Question for UK members in the know. Would an Orange network sim card from a 9780 work in an Orange network 9900 and vice versa?

[emirozmen]

9700 in 9900 worked fine for me.
I am guessin 9780 in 9900 will be fine %9.99999

[Phill_UK]

Question for UK members in the know. Would an Orange network sim card from a 9780 work in an Orange network 9900 and vice versa?

Yes, it will.

[bkupris]

Brilliant, Ta

[greggebhardt]

Question for UK members in the know. Would an Orange network sim card from a 9780 work in an Orange network 9900 and vice versa?

Yep you need only update your PIN and you are good to go.

[cooljatt18]

Any sim card irrespective of the operator can work in any unlocked phone. If a phone is locked by carrier than that phone will only work with that carriers sim

[Procterboy]

In short, yes it will

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