Up until recently, if you were switching service carriers, you would have to pay a token fee to unlock your smart phone. This has all changed from the 11th of February, 2015. No more can a carrier charge you with a fee for switching service providers.

1. Important Things to Know
Before Unlocking Your
Smartphone
Up until recently, if you were switching service carriers, you would
have to pay a token fee to unlock your smart phone. This has all
changed from the 11th of February, 2015.

2. Key factors one must keep
in mind while unlocking
one’s phone
Check whether your phone is even eligible for an unlock or not
Configuration of your phone to a specific type of network
Different service providers have a different approach towards
unlocking your phone

3. A few popular networks and easy
solution to unlock optimized smart
phones-
1. AT&T
2. Sprint
3. T-Mobile
4. Verizon

4. For AT&T users, they need to go online on the website and go to the
Consumer Device Unlock Portal and ask for their phone to be unlocked. Users
will require the IMEI code of the phone, which is easily procurable by pressing
*#06# on most smart phones.
For AT&T Users

5. For Sprint Users
Sprint users can call 888 211 4727 or simply start a web chat from their
website, and then follow simple instructions. As of February, 2015,
Sprint claims to unlock all “eligible” phones for free.

6. For T-Mobile Users
Users from this service provider can call on 877 746 0909 or start a web
chat from the T-Mobile website.

7. For Verizon Users
Verizon boasts of no locked phones and prides itself for the same. No
code or anything like that is needed to unlock Verizon. If in case there is
an odd chance of finding one thats locked, you can get it unlocked easily
by going on their official website.
Generally, service providers will charge you no fee for this if the contract
is honored. For more information, you can read through your provider’s
company policy regarding unlocking your smart phone.

8. Source:
Website:
http://tech2gadget.com/important-things-to-know-before-u
http://www.cellunlock.net/