May 25, 2011 When your iPhone is in operating mode, hold down Shift key on your keyboard for windows, and alt key on your keyboard for mac, and then click Restore button in iTunes and locate the file 'iPhone.
Dec 30, 2011 Search for “iphone 3g custom firmware” w/o the quotation marks and look for the file “iPhone 3G Custom Firmware 4.2.1 8C148.ipsw”. That’s the file I used and it worked fine. DFU mode is a bit tricky in the beginning – at first I had problems to activate it, too – but having done it about a million times, it’s not that difficult.
Nov 22, 2010 iOS 4.2.1 comes as a universal firmware for iPhone 4, 3GS, 3G, iPad, iPod Touch 4G, 3G, 2G. To install iOS 4.2.1 on your device, connect your iPhone/iPod Touch/iPad to iTunes 10.1, new firmware availability message will appear then hit the “Download and Install” button.
Iphone 3g 4.2 1 Custom Firmware Download For Mac Free
iPhone1,2_4.2.1_8C148_Restore.ipsw
323.0 MB
Dec 06, 2019 Now if you can’t update your iPhone in the regular way we suggest you go for downloading iOS 4.2.1 from direct download links given below. Download iOS 4.2.1 ipsw for iPhone 4 here. IPhone 3G S here. IPhone 3G here.iPod Touch 4th Gen here. IPod Touch 3G here.iPod Touch 2G here.iPad WiFi/3G here. The main advantage of iOS 4.2.1 IPSW firmware is that its a full offline installer.
102,093
Other Devices
Windows XP/Vista/7
iOS features an easy-to-use interface, amazing features, and rock-solid stability, and it is the foundation of iPhone. And even as other phones try to catch up, the technologies and features built into iOS 4 keep it years ahead of the competition. You can use iTunes to update or restore iPhone or iPod software. Apple recommends updating iPhone or iPod touch to use the latest software. You can also restore the software, which puts iPhone or iPod touch back to its factory condition. Normally if you choose to update, the iPhone or iPod software is updated but your settings and media are not affected. If your device currently has a software version prior to 2.0 (1.x) and you are updating to software version 2.0 or later, all data on your device will be erased in order to perform install the new software. In this case, iTunes will offer to create a one-time media backup of your device depending on what content is on your device and what content is stored in the iTunes Library you are connected to. You should ensure that you have enough free space on your Mac or PC to accommodate a backup that matches the capacity of your iPhone or iPod (4 GB, 8 GB, 16 GB, or 32 GB) if you proceed with the this backup. If you choose to restore, all data is erased from iPhone or iPod, including songs, videos, contacts, photos, calendar information, and any other data. All iPhone or iPod settings are restored to their factory condition. iOS features an easy-to-use interface, amazing features, and rock-solid stability, and it is the foundation of iPhone. How to update / restore your iPhone/iPod using the downloaded IPSW file: 1. Download the firmware for your device 2. OPTION-click (on Macs) or SHIFT-click (on PCs) on the Update / Restore button in iTunes 3. Now you will be able to tell iTunes to use the IPSW file you downloaded to update / restore your iPhone/iPod Note: To be able to download iPhone/iPod firmware directly from Apple you will have to follow these steps: 1. Make sure you are using iTunes 8. Connect your iPhone to your computer. 2. When iTunes opens, select your iPhone under Devices in the Source List on the left. 3. In the iPhone Summary pane, click Check for Update. 4. Click Download and Install. Do not disconnect your iPhone until the update has finished. What's New: - Applies all features from the unreleased iOS 4.2 update - You can now change the font size of text in Calendar from the Accessibility settings - Fixes intermittent Wi-Fi issues in the unreleased iOS 4.2 update - Fixes the VoIP issues in iOS 4.2 update
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Iphone 3g 4.2 1 Custom Firmware Download For Mac Free
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