iPhone 3G iOS 4.2.1
iOS 4.2.1 (8C148) is the final version of iOS that can be installed on the iPhone 3G. This update was released on November 22, 2010, and brought several new features and improvements to the device.
To install iOS 4.2.1 (8C148) on your iPhone 3G, you will need to meet the following requirements:
1. An iPhone 3G: iOS 4.2.1 (8C148) is only compatible with the iPhone 3G. If you have a different iPhone model, you will not be able to install this update.
2. Sufficient storage space: Before installing iOS 4.2.1 (8C148), make sure that your iPhone has enough storage space available for the update. The size of the update varies depending on your device, but it typically requires around 300 MB of free space.
3. A compatible computer: To install iOS 4.2.1 (8C148), you will need a computer running iTunes version 10 or later.
4. A USB cable: You will need a USB cable to connect your iPhone to your computer during the installation process.
Once you have met these requirements, you can proceed with installing iOS 4.2.1 (8C148) on your iPhone 3G by following these steps:
1. Connect your iPhone to your computer using a USB cable.
2. Open iTunes and select your device from the list of devices in the left-hand menu.
3. Click on the "Check for Update" button in the Summary tab.
4. If an update is available, click on "Download and Update" to begin downloading and installing iOS 4.2.1 (8C148).
5. Follow the on-screen instructions to complete the installation process.
Once iOS 4.2.1 (8C148) is installed on your iPhone 3G, you will be able to enjoy several new features and improvements, including:
1. Multitasking: With iOS 4.2.1 (8C148), you can now run multiple apps at the same time, making it easier to switch between different tasks.
2. AirPlay: This feature allows you to stream audio and video content from your iPhone to other AirPlay-enabled devices, such as Apple TV or AirPlay speakers.
3. Game Center: iOS 4.2.1 (8C148) introduced Game Center, a social gaming platform that allows you to connect with friends and compete against them in multiplayer games.
4. Improved performance: iOS 4.2.1 (8C148) also brought several performance improvements to the iPhone 3G, including faster app launching and smoother scrolling.
Overall, iOS 4.2.1 (8C148) is a significant update for the iPhone 3G that brings several new features and improvements to the device. If you have an iPhone 3G and have not yet installed this update, it is highly recommended that you do so to take advantage of these new features and improvements.
| Upload Date | 18th November 2010 |
|---|---|
| Filename | iPhone1,2_4.2.1_8C148_Restore.ipsw |
| Filesize | 339 MB |
| SHA256sum | 98e5969c3baed660c9a26e94cd7ed4b3cdb7175900f448bcc2223bf885835ce0 |
| MD5sum | 8b1657935408a1638b69740b282f62b3 |
| SHA1sum | d2ed58586e8ca2153f2e2ec585bba8afc5173378 |
| Identifier | iPhone1,2 |
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