How to unlock an iphone that was unlocked previously and has become locked?

I bought an iphone that unlocked. I accidentally hit the restore button, therefore locking me out. How do I unlock it again? Is there a website or program I can use?

Try using http://attiphoneunlocker.com/ There you can find a unlock Your iPhone Will Stay Unlocked Forever. NO Software it use Apple's IMEI database Coupon Code C4FC4669
If you would like the software you can find it at http://unlockiphone-4s.net/ You have to jailbreak then unlock.
Coupon Code DC207E59

Once your iPhone has been restored and locked again, You have to unlock it again as usual. The safest and easiest way to unlock an iPhone is to unlock through remote unlocking method. It is also an affordable method too. You can get the remote unlocking for an iPhone from http://www.prounlocking.com/apple-iphone/rs8wp9/. This website is a trustworthy source to rely on accurate unlocking solutions at affordable cost.
Here are the steps for unlocking an iPhone,
1. Wait for 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 phone software is updated to the latest version using the iTunes software.
4. Connect your Apple iPhone to iTunes with a NOT ACCEPTED SIM card.
5. Wait until iTunes detects your Apple iPhone.
6. Disconnect your Apple iPhone and reconnect it after 10 seconds.
7. Your Apple iPhone is now unlocked.