Are you buying an old iPhone then one think you need to remember if your mobile is locked on iCloud then It is very hard to unlock them and the device can not use in future, so that mean you totally lost your money.
So before buy an old iPhone you need to check either iPhone iCloud locked or not.To check your iPhone is locked or not you need to follow this simple steps.
How to Check Does Your iPhone is locked on iCloud?
#1. First Go to your iPhone Settings
#2. Click the General on the setting menu
#3. Click on About On the general setting menu
#4. Find your iPhone IMEI or serial number
#5. Open the following link for iPhone iCloud Activation Lock icloud Lock
#6. Insert your IMEI or serial number and click continue. After that, you will get information if your device is locked or not.
If the iPhone is locked then do not buy the iPhone before the seller you unlock it.It is very important to check your iPhone iCloud lock or not, if you an old locked iPhone then your can not use it and your money also are totally lost.