SuMMer5

Will my 3GS SIM work in an iPhone 4?

If I get an iPhone 4 unlocked, will my 3GS SIM work in it?

Most Useful Answer mrew42  Mar. 30, 2011 at 10:13

If you trim it to fit, yes.
The iPhone 4 uses a micro-sim. Either bold use of scissors or a microsim cutting kit will achieve the desired results. Available on flea bay for a few quid.

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mrew42  Mar. 30, 2011 at 10:13

If you trim it to fit, yes.
The iPhone 4 uses a micro-sim. Either bold use of scissors or a microsim cutting kit will achieve the desired results. Available on flea bay for a few quid.

SuMMer5  Mar. 30, 2011 at 12:31

Found a few on ebay, perfect.

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