Is it worth to buy iphone 4?

I have a samsung galaxy s2 that juz use for few months… And my friend wanna to sell me her cousin iphone 4 that have already update to iOS 6.1, and used two years and she giving me a cheap price… Is it worth to buy the iphone 4 that ady used two years… Do it still in good condition for normal iphone?

English please

How cheap is cheap?
It may run a little slower because its been used for two years already but an iPhone 4S is still a very good phone. Find out what what sort of condition it in (e.g. The sound quality, if its ever broke before, etc.)
You also have to take into consideration what you want a phone for. It might work out better for you to keep your galaxy s2, it just depends on how much you want an iPhone.
Also remember that iPhone are very fragile. If you drop your current phone a lot, it may not be worth buying this cheap iPhone just for it to fall and break after a couple of months.

What is the price of the IPhone? Below $150 would be good.

Its still a good phone, but if used make sure you are getting it for a good price. When buying used you never know if they took good care of it, but if the price is right you can't go wrong.

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