If you are still on a older iOS firmware version but you have decided to upgrade, here is how to do this and preserve your unlockable modem firmware (baseband).
1. First of all you will need to download the stock version of iOS 5.0.1. You can download it here.
2. Download the latest RedSn0w jailbreak tool from here: Mac version or Windows PC version.
3. Start the RedSn0w software on your computer and click on “Extras”.
4. Choose the “Custom IPSW” button.
5. Now you will be prompted to browse to the previously downloaded 5.0.1 firmware file.
6. RedSn0w will now do its thing on the firmware file.
7. After a short wait, this will be done and RedSn0w will save the custom made firmware file in the same folder where you saved the official IPSW file. The custom firmware file you just made will have the contain your original modem firmware (baseband) you wanted to save in order to be able to unlock later with UltraSn0w.
8. After you confirm with OK you will be back on the screen with options again. This time select Pwned DFU mode. This will help you to restore your iPhone to the created custom firmware. Follow the DFU instructions carefully.
9. If your device is indeed in DFU mode, the screen will become completely black. Open your iTunes and press and hold shift and restore. Point iTunes to the custom made 5.0.1 firmware. Itunes will now restore your iPhone 3GS to the custom iOS 5.0.1. You are done and your iPhone is upgraded to iOS 5.0.1 with the baseband preserved. You need also to jailbreak the device before you continue with the unlocking. You can use RedSn0w for this as well.
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Apple is aggressively attacking new markets in the developing world. A new strategy by Steve Jobs and his marketing team has recently been developed and to implemented. The cornerstone of this strategy is selling of unlocked devices from their Apple Store retail outlets. Apple’s latest model, iPhone 4 has only recently arrived into India. With such an incredibly large market consisting of more than 1 billion cellphone subscribers, Indian market is increasingly gathering attention from the smartphone industry. In order to actively contract Android devices which are luring customers with lower prices, Apple wants to offer a good, affordable product for the Indian market.
The essence of Apple’s cheaper device planes is the iPhone 3GS. So far iPhone 3GS in India, was only available with local carriers like Airtell and Vodafone. Now Apple want to offer to sll users an unlocked version of the iPhone 3GS 8GB. This could be an excellent move as Indian carriers have offered iPhones only at very high rates, so this move could significantly increase the number of new iPhone users in India,especially as the price for iPhone would be affordable for the local conditions.
Earlier this month Apple has made an unexpected decision to sell unlocked devices n Apple stores in US. Unlocked iPhone 4 in Apple store costs $650 if it is the 16 Gigabyte model or $749 for the 32 Gigabyte model of iPhone 4.
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The New iPhone 3GS – The S is for SPEED
Apple has announced to release the new iPhone 3GS on the 19th of June.
iPhone 3GS
The 3.0 Firmware will be available for regular iPhone 3G users on the 17th of June.
The key improvements for the iPhone 3GS Model:
- - Performance increase: The new iPhone 3GS processor is clocked at twice the speed of the iPhone 3G model, which will result in a nice performance increase.
- - More Memory: The iPhone 3G is available in 16GB model and a 32GB model.
- - Improved Camera with auto-focus ( 3.0 megapixel versus 2.0 megapixel on the 3G model) You can zoom in and out by sliding your finger over the screen.
- - Video Recording support. ( You can now record video’s with your iPhone 3GS 30 Fps – video Editing support).
- - Voice control: Voice control will let you play a song just by asking for it and even access a Genius-driven play list with a voice command.
- - Build in Compass
- - Landscape keyboard
- - Improved 3D graphics: Improved 3D graphics processor, and Open GL 2.0 ES support. This is great news for gamers, as this is a major improvement!
- - HSDPA network support. AT&T’s HSDPA network is even faster than the 3G network, it also has a faster Internet connection.
- - Improved battery Life – The table below shows the important improvements.
iPhone 3GS battery
Especially battery life for audio playback and WiFi / 2G connections has improved dramaticly.
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