Originally Posted by sim-unlock.net

As mobile phone service providers increase efforts to limit the use of the phones they sell, mobile users are seeking solutions for poor coverage and a limited range of use. Since service providers typically offer new phones at a discount, they protect their investment by requiring customers to sign a multiyear contract and by locking their phones to accept SIM cards for the provider's network only. Using the phone outside the network requires entering a special unlock code, which service providers

...

Originally Posted by sim-unlock.net

Do you wan to know is your phone clear or blacklist on GSMA ?

Do you want to buy some phone and check is lost or stolen ?

You can do it for free at

Global blacklist checker

or

Free blacklist checker

Just type your IMEI (how to check IMEI) and after 5 second you will get info about blacklist.

Exemple below

Clean

Code:

IMEI	3556890782xxxx
Model	Apple iPhone 6S (A1688)

...

Originally Posted by sim-unlock.net

Yes we can do it !!!

Free for all Warranty check by IMEI for iPhone, Nokia, HTC, Samsung, LG, Motorola, Lenovo, Sony and many more.

You can check on sim-unlock.net also your mobile blacklist status

All this are free !!!

Also you can use our partner site IMEI24.com