There is so much information on the internet regarding iPhone 3G 4.0 unlock and it is wise to be skeptical about the different available methods. We can understand that you may be confused by the large amount of information, claiming to give you some knowledge about the unlocking process. Apple sells iPhones with SIM locked to specific network carriers in each country for the sole purpose of maintaining exclusivity. When a thing is rare, it becomes the most sought after one. The network carriers too enjoy exclusivity of iPhones as they can get new consumers who want to have the best smart phone. As a consumer, this exclusivity costs you more in terms of phone bills every month and you can save money with how to unlock iPhone 3G with 4.0 firmware.
All the unlocking methods claim to provide complete freedom from network carriers which means that you can use any SIM card with your iPhone in any country. Unlock iPhone 3G 4.0.1 will help you to save money every month as you will be able to choose providers offering cheap voice and data plans. When you travel to other countries, you don’t have to pay roaming fees as you can easily insert a local prepaid SIM card if you have unlocked iPhone.
iPhone 3G 4.0 unlock: understanding the different types of unlock
Hardware based unlock was popular some years back as it was the only available unlocking method. Tampering with iPhone 3GS hardware is the worst thing you can do and experts strongly suggest that you shouldn’t do it anymore. A slightly varied, but comparatively safe unlocking method is provided by SIM unlocking methods. You have to purchase a complete SIM unlocking kit and use it on the SIM card tray slot. This kit forces baseband unlock through emergency dialing. Even though this method works, the legitimacy of this method to unlock iPhone 3GS 4.0 is highly questionable.
Software based unlocking methods are safe to use as the changes made by software can be restored. With software unlock 3G iPhones, you typically have to run software unlocking tool to free your iPhone from strict carrier regulations. Again, multiple different solutions are available and you should be careful about the choice you make.
iPhone 3G 4.0 unlock for free with Ultrasn0w
Free iPhone 3G 4.0 unlock is popular mainly because it is available for free. If you are an experienced iPhone user who knows the way around the software and hardware of iPhone, the free solutions may sound to be the best option. The iPhone Dev team and Chronic Dev Team come up with free jailbreak and unlock solutions so that everyone can hack their iPhones and use the features for free. There are always some complications associated with free unlock iPhone 3G 4.0, but if you are capable of finding solutions no your own, you should be able to use free unlock iPhone methods without any worry.
- Download and install latest version of iTunes on your computer.
- Take back up of all your iPhone data using iTunes. This will help you with restore when jailbreak or unlock doesn’t work properly.
- Download iOS 4.0 stock firmware and Restore to original stock firmware using iTunes.
- Enable internet connection in iPhone.
- Open Safari browser on iPhone 3G.
- Type the address http://jailbreakme.com on the address bar of the browser.
- Slide to jailbreak once the jailbreak website opens on the browser.
- JailbreakMe will work on downloading and running jailbreak data. Wait till you get the message that Cydia is added to your home screen.
- Tap on Cydia on the home screen to open it.
- Add http://repo666.ultrasn0w.com to Cydia sources.
- Search for Ultrasn0w 0.93 and install the package.
If you are running iPhone 3G on 4.0 and 4.0.1, you are in for a treat as an unlocker because all basebands up to 05.13.04 is unlockable by Ultrasn0w. However, if you have already upgraded your iOS firmware, then you can’t easily simply downgrade firmware and baseband to use Ultrasn0w.
Safe iPhone 3G 4.0 unlock is cost effective and easy to use
The free unlock iPhone 3G 4.2.1 will work only if you have already activated iPhone using supported SIM Card. Other jailbreak tools like Redsn0w or Sn0wbreeze don’t allow hacktivation for 4.0 iOS and so, without original SIM card, you can’t use Ultrasn0w on 4.0. Moreover, you should ensure that you have unlockable baseband, especially when Apple is not signing older baseband versions anymore. To stop worrying about unlockable firmware or baseband, you should choose safe unlock iPhone 3G 4.0.1 software provided by reputable unlock providers. We recommend this software based iPhone 3G 4.0 unlock as it is cost effective and very quick, especially for newbies who don’t want to risk their iPhones. Learn How To Unlock an iPhone 3G 4.0 Now