What should we know when purchasing a second hand iPhone? A lot of people want to purchase iPhone6s, but a new iPhone6s is very expensive. So some people decided to buy a second hand iPhone, but they are easy to get cheated. This tutorial is mainly introducing a few notes on purchasing a second hand iPhone.

You don’t have to buy the following three iDevices.

·Don’t buy a jailbroken iPhone.

·Don’t buy an iPhone without erasing all settings. You need to ask the seller to erase all settings for you before deal.(“Settings”→“General”→“Reset”→“Erase All Content and Settings”).

·Don’t buy an iPhone out of warranty.

Then you need to check the following items.

Touch ID：Open the “Settings” of your iPhone →click the button “Touch ID & Passcode”, and then record your fingerprint on the iPhone. After it’s complete, try to unlock the iPhone with your own fingerprint. 

Flashlight: Open the “Control Center” of your iPhone, then click the button “Flashlight” to check if it will light up,  if the light is on, then it can be regarded as normal.

Vibrate: Open the “Settings” of your iPhone, then click the button “Sounds” →and turn on “Vibrate on Ring”. If your iPhone is vibrative, then it can be regarded as normal.

WiFi: Open the WiFi of your iPhone. If your iPhone has a full sign, then it can be regarded as normal.

Gyroscope: Open the“Compass” of your iPhone, and shake your iPhone. If the data is changed, then it can be regarded as normal.