How can i unlock the factorial lock of iphone 4s, 16 GB, UK 3G Network

http://iphone-unlocker.org/
or
https://www.youtube.com/watch?v=-p3zg8S0pA4
or
http://www.pcadvisor.co.uk/how-to/apple/how-unlock-iphone-4s-iphone-5-iphone-5s-iphone-5c-iphone-6-02-ee-vodafone-three-3523361/

Contact your current cell-phone provider.
For a fee, they can "unlock" your iPhone,
so that the next time that you connect it to iTunes on your computer, iTunes will "unlock" your iPhone.

If you have a "locked" iPod, connect it to iTunes, and do a "factory reset" on it.

Hi if your iphone 4s is not accepting your sim card whether it is displaying messages like sim invalid ,sim lock and so on once you insert your sim in it then it mean your iphone 4s is locked to some other network provider due to this it wont accept your sim until you unlock it .You can easily unlock your iphone 4s using sites like WickedUnlock.com here they are rendering remote unlocking service to unlock all model iphone from network lock ...You first check that whether the service is available for your country and network provider .If yes then pay for it and unlock your iphone 4s then freely use it with any GSM sim .

Hi, You can unlock an iPhone 4S locked to AT&T network safer and easier using remote unlocking service. you can get the remote unlocking service for an iPhone 4S from www.mobile-unlocker.com at affordable cost with free unlocking instructions. This method of unlocking doesn't require a jailbreak too. Good luck mate.

The phone needs to be network unlocked from apple server to use it with any sim card worldwide. You need to pay for this either at local shop or online webstore.

I recommend: http://www.guaranteedunlock.com/iPhone_Unlocking

It is locked to which country orange network?
You can use remote unlock service to unlock it from network lock...Visit the site Classicunlocking.com
get remote unlock service at reasonable cost and unlock Iphone 4 easily.You can get remote unlock service for Orange Israel .

If you wanna unlock the iphone4s prefer remote unlocking method ,Remote unlocking method is the best method for unlocking the iphone4 ,Dont prefer software or cable , In order to unlock your mobile in the safest way make use of the Remote unlocking service here TheUnlockArena.com using remote unklocking service here , unlock your mobile safely , I unlocked my mobile recently making use of this site & gain solution.But they provide iphone 4s unlocking service for particular network providers only. So visit this site and check your availability. If unlocking service is available for your network providers, you can unlock yhe iphone 4s all the best.....

It's Simple to get your I-phone 3G unlocked from Network Lock use the remote I-PHONE unlock service,you can get the Unlock service from here
Theunlockspot.com and Unlock it.

Which Country Your Mobile Locked now? There are Many ways to Unlock the I-Phone,I Choose the Best method Unlock code Unlocking...Because software Unlock leads to Data Lose..so that I choose the Unlock code the safe and secure method... .....I got the Unlock code at Reliable cost here http://www.onlinegsmunlock.com/apple-iphone-3g-16gb-black/rs7wp9/ and Unlocked I-Phone 3G 16GB from Vivo Brazil Network.....Then You need to check code for Your Network...

You need your device to be on a 3.1.2 firmware & jailbroken