Any safe free network unlock for iPhone 4?

Please give any safe fres network unlock for an iphone that works and doesn't cause any harm. Do network unlocks from the internet mess your iphone?

IPhone Factory Unlock doesn't mess with your phone, it just unlock it so that you will be able to use it to different carries. About the free unlock, I don't think there's a free unlock service or process available.

Free unlocking solution may damage your I-phone 4.So you can go for paid unlocking service to unlock this I-phone 4.It will helps to unlock i-phone 4 safe and secure. You can unlock your iphone from network lock using Remote unlocking method. Which is the safe and secure method to unlock iphone. You can get this service from http://www.wickedunlock.com/apple-iphone-4/rs16wp9/ here they help you to unlock your iphone using latest versions of iTunes software.