How do you unlock a iphone 4s

Hi The link below is a short youtube video showing how to factory reset.... CHEERS
https://www.youtube.com/results?search_query=factory+unkock+Apple+Iphone+4s

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/

Your iPhone 4S must be locked to some other specific network. That is why it is not working with your T-mobile SIM card. You need to unlock your iPhone 4S. You can unlock your iPhone 4S using remote unlocking service. You can get the remote unlocking service for an iPhone 4S from MobileUnlockSolutions.com at affordable cost with an easy unlocking guide. Good luck.

Try rebooting your phone

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 .

Unlock iPhone 4S on a side note you cant get it free unless you want to run the risk of messing up your phone

Hi. Do you want to unlock your iPhone 4S? If so, you can visit ClassicUnlocking.com and get the remote unlocking service. This method of unlocking an iPhone is safe, simple, affordable, quick and permanent. It doesn't require a jailbreak too.

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..............UNLOCKING INSTRUCTIONS..............
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1. Wait for us to send you an email saying your phone has been activated or remotely unlocked.
2. Install the latest version of iTunes.
3. Make sure your Apple iPhone 4S phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone 4S to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone 4S.
6. Disconnect your Apple iPhone 4S and reconnect it after 10 seconds.
7. Your Apple iPhone 4S is now unlocked.

you could either activate it at your local service provider or ''jail break'' it if you dont know how to jsil break try youtube but try activating it at your service provider first :)

The best way to unlock an iPhone 4S is to unlock using remote unlocking service. This method of unlocking is safe, simple, affordable and quick. You can get the remote unlocking service for an iPhone 4S from www.theunlockspot.com/apple-iphone-4s/rs16wp9/ at affordable cost with free unlocking instructions. This method of unlocking doesn't require a jailbreak too. All the best mate.

Hi, You can unlock an iPhone 4S locked to Telus network using remote unlocking service. This method of unlocking is safe, simple,. affordable and quick. you can get the remote unlocking for an iPhone 4S from www.prounlocking.com/apple-iphone-4s/rs16wp9/ at affordable cost with easy instructions on unlocking. This method of unlocking also doesn't require a Jailbreak too.
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UNLOCKING STEPS FOR AN iPhone 4S
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1. Wait for us to send you an email saying your phone has been activated or remotely unlocked.
2. Install the latest version of iTunes.
3. Make sure your Apple iPhone 4S phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone 4S to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone 4S.
6. Disconnect your Apple iPhone 4S and reconnect it after 10 seconds.
7. Your Apple iPhone 4S is now unlocked.