When you buy iPhone 4 on eBay, first of all you should pay attention on from what carrier is locked smartphone.

Until recently, you could buy iPhone 4 AT&T, and then unlock smartphone for $3 in special services. However, after the release iPhone 5s AT&T the price of unlock became more expensive.

Why unlock iPhone 4 AT&T has become more expensive? The exact answer does not exist. Some people say that it is related to the difficult economic situation in the United States, others think that the carrier agreed with the services for unlocking. In my opinion the most logical version is that many users have begun to buy locked iPhone 4, then unlock them just a couple of dollars and sell on Ebay. Therefore, AT&T decided to complicate the procedure of unlock.

However, let us return to our topic. From what carrier you need to buy iPhone 4, so it works in most countries of the world?

As the first models of iPhone 2G, 3G и 3GS are not so popular, we decided to consider iPhone 4.

From what carrier to buy iPhone 4 on eBay?

As I said before, it is not profitable to buy iPhone 4 AT&T on eBay for $170 and to pay as much for it to unlock. Therefore, we consider other options. Apple iPhone 4 Verizon is also not suitable because there is no slot for a SIM card. Thus, we do not need to buy any locked iPhone.

You will need to pay a lot of money to unlock iPhone 4 by IMEI. Methods like gevey, rsim, turbosim and others do not work with iPhone 4.

Do not buy: iPhone 4 verizon

Think before you buy: iPhone 4 AT&T

Buy: iPhone 4 factory unlock or neverlocked

Thus, the only good option is to buy unlock iPhone 4 on eBay.

You can also read our article How to buy refurbished phones unlocked on eBay.