With the development of society, the living standards of everyone has been improved greatly and shopping becomes the indispensable link in our life. However, the fake is pervading in the market. If we want to get the quality goods, we must learn enough knowledge in order to identify whether the goods are true or false. So that the fakes will have nowhere to hide. Today let’s learn about how to purchase the second-hand blackberry mobile phone with high-quality.
In principle, we have no necessary to care about whether it is still new and whether its softness and hardness is still good when we are selecting the second-hand blackberry mobile phone. As long as we pay attention to the following points, we can buy a good one.
1 Appearance. About the shell, the first one is seeing its cornelians and can’t have scratches. The second is seeing whether the interface is closely anastomosis. In addition to the shell, after we open the battery cover, we should looking at the brand inside.
2 The function of the U dish. For 8 type phone with expansion card, the function of U dish is very important. But how to test it? The merchants with some strength and scale must have computers and must have installed desktop manager of blackberry phone, so we can see whether the expansion card can be detected on the computer. Then we can do some test about the operation of copy and delete.
3 The function of GPS. If the second-hand blackberry we want to buy has the GPS function, we should prepare ten minutes for testing whether its function is normal. We can let the seller show this for us and it is OK as long as the satellite can be brushed.
4 Keyboard. The flexibility of it is vital to one mobile phone, especially the blackberry. There are more than 20 keys and each key has an irreplaceable role on blackberry phone, so we should have more patience for it and test it several times.During all of the keys,the common operationskeys need to be detected with emphasis,for example,the menu button,dial-up keys and the tracking ball.3 Combined testing. We should install some software as much as possible to test if the blackberry has problem of crash.
5 Combined testing. We should install some software as much as possible to test if the blackberry has problem of crash.
After these tests, we can decide whether the blackberry is valuable to buy. So that we can get a high quality blackberry mobile phone.