Can you put a contract sim card into a iphone 4s?

Can you put a contract sim card into a iphone 4s?

So much as the iPhone 4S in question has a clean and clear serial number, yes.

If your sim-card is 'standard size' then NO.
If your iPhone 4S was purchased from a network i.e not from Apple Store, then NO.

- Solutions;

Get a micro-sim. T-Mobile UK got me a micro-sim for £10 w/ the same mobile number.

Unlocking can be done on the high streets in a shop or w/ your network.

Yes as long as the sim card is a micro sim and the phone accepts the sim ie its same network or the phone is unlocked

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