Easiest and proved way to check your PHONE LOCK AND WARRANTY AND PHONE BLACKLIST,

Do you want to buy a second hand or a new phone but need some more information before you do, then this is the easiest and totally free way to go. There are so many websites out there that offers this service at a cost but here is one for free and it is proved.
If one of the following is waht you want to know then this is a good place for you

• Care Services: 
• Warranty Class:
• Product Type
• Sales Model:
• Product Code:
• Start of Warranty: 
• End of Warranty:
• Activation Date:
• Ship-to Customer #
• Ship-to Country:
• Sold-to Customer #
• Sold-to Country:
• Context Date:
• Factory Simlock:(this is what mostly needed)
• Software Version

Athough you need to wait for a moment it is worth becouse you will move away with all the information you wanted

Here is the site just paste your 15 digit  IMEI into the box and follow the instructions
IMEI INFO

Hope it helps