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How to install ios 4.2.1 IPSW - Apple iPhone4 4G iPhone 4

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Shift + Click "Restore" in iTunes. Select your IPSW when the explorer window pops up.

Posted on Dec 29, 2010

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Posted on Jan 02, 2017

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How to jailbreak iOS 4.3.1 using redsn0w on a PC (Windows) or a Mac


This will guide you on hactivating and jailbreaking the following iDevices with iOS 4.3.2, 4.3.1, 4.2.1 or earlier:
  • iPhone 4
  • iPhone 3GS
  • iPod touch 4G
  • iPod touch 3G
  • iPad
The jailbreak will be untethered, meaning you don't have to worry about rebooting your iDevice.

Download redsn0w 0.9.6rc14 for jailbreaking iOS 4.3.2, links below: Use version 0.9.6rc12 if you have iOS 4.3.1 installed on your iDevice. CLICK HERE to download that and all earlier versions of redsn0w.

Here are the links to download the 4.3.2 IPSW files. If an Ad appears, just click SKIP THIS AD on the top left corner to continue on downloading:
You can also try locating it locally on your computer. For Mac, go to:
Users>HOME FOLDER>Library>iTunes>iPhone Software Updates>

For Windows, go to:
C>Documents and Settings>HOME FOLDER>Application Data>Apple Computer>iTunes>iPhone Software Updates>


NOTE (For PC users): Application Data is a hidden folder, make sure to set hidden files visible from Control Panel>Folder Options>View>


WARNING: The following basebands are still UNLOCKABLE. DO NOT UPDATE to iOS 4.3.1 (or higher) if you need the unlock:
  • 05.14.02 - iPhone 3G & 3GS, iOS 4.1
  • 05.15.04 - iPhone 3G & 3GS, iOS 4.2.1
  • 05.16.00 - iPhone 3GS, iOS 4.3 and 4.3.1
  • 05.16.02 - iPhone 3GS, iOS 4.3.2
  • 03.10.01 - iPhone 4, iOS 4.2.1
  • 04.10.01 - iPhone 4, iOS 4.3 and 4.3.1

Update iTunes to 10.2.1 for best results.

Procedure:
  1. Plug your iDevice to your computerkid_ant_9.png
  2. Turn OFF your iDevicekid_ant_9.pngTo turn OFF, press and hold the POWER button for about 3 to 5 seconds then slide the red bar on top of your iDevice's screen saying "slide to power off"kid_ant_9.png
  3. Open/Run redsn0w and click Browsekid_ant_9.pngNOTE: The screenshots you'll see here are taken from a Mac and earlier version of redsn0w, however, the process is completely the same if you'll be working on a PC (Windows) or a newer version of redsn0w.kid_ant_9.pngb3f2d73.png
  4. Locate the official IPSW.kid_ant_9.pngUse the following:kid_ant_9.png4.3.2 IPSW if you have iOS 4.3.2 on your iDevicekid_ant_9.png4.3.1 IPSW if you have iOS 4.3.1 on your iDevicekid_ant_9.png4.2.1 IPSW if you have iOS 4.2.1 on your iDevicee07dd38.jpg
  5. redsn0w will process and identify the IPSWkid_ant_9.png6906b9a.pngkid_ant_9.png93adf2e.png
  6. Click Next and let redsn0w do what it have to do1651cc7.png
  7. Check on Install Cydia and click Nextkid_ant_9.pngb046af5.pngkid_ant_69.jpgb046af5.pngClick image for larger view.b046af5.png
  8. Turn OFF your iDevice (just a reminder from step 2). Before you click Next, read steps 9 to 11 first in preparation for putting your iDevice to DFU moded3f7cae.png259a3f7.png
  9. Press and hold the POWER button for three (3) seconds309f19d.png
  10. Continue holding down the POWER button then press and hold the HOME button as well. Hold them both for another ten (10) secondsa143c2c.pngf115990.png
  11. Release the POWER button but keep holding the HOME buttonee8080f.png
  12. You can release the HOME button once you see redsn0w in the process of jailbreaking your iDevicekid_ant_9.png0c41e1b.png
  13. Click Finish and you're done on the computer, and as it says, the rest takes place on your iDevice.kid_ant_9.png7aba1b9.png7c880f5.png4beff7a.png
All you need to do now is wait and keep it plugged in your computer. DO NOT INTERRUPT!kid_ant_9.png

kid_ant_9.png

Once complete, you will find Cydia on the 2nd page of your iDevice's homescreen and it should operate as usual.

If you have an iPhone and you're able to preserve your baseband, you can CLICK HERE to UNLOCK.


Credits:
iPhone Dev Team
kidantvideos

on Apr 04, 2011 | Apple iPhone Smartphone

Tip

How to jailbeak iphone 4 3G 3Gs 4.2.1 with redsnow


NOTE: Those of you who rely on a carrier unlock MUST STAY AWAY from Redsn0w and iOS 4.2.1.
Follow the step by step instructions posted below to jailbreak iOS 4.2.1 with Redsn0w 0.9.6b4:
Step 1: Download iOS 4.2.1 for your version of iOS device.
Step 2: Update/Restore to iOS 4.2.1 using the IPSW file you just downloaded via iTunes 10.1.
Step 3: Start Redsn0w 0.9.6b4 and point it to iOS 4.2.1 firmware to proceed with the jailbreak.
redsn0w-0.9.6b4-6.pngredsn0w-0.9.6b4.png
Step 4: Now select "Install Cydia" and click "Next". Optionally (if available), you can also select any other option you like.
redsn0w-0.9.6b4-1.pngredsn0w-0.9.6b4-2.pngStep 5: Now make sure your device is both OFF and PLUGGED IN to the computer before you click "Next".
screen-shot-2010-11-01-at-8.08.08-pm.pngAt this stage you will be presented with a screen where you will have to quickly hold "Power" button and then while holding the "Power" button, you will now have to hold "Home" button too. Now after few seconds release "Power" button but keep holding "Home" button until installation begins.
redsn0w-0.9.6b4-5.pngStep 6: Sit back and enjoy while redsn0w will do all the rest for you. Once done, your iPhone or iPod touch will restart automatically and you will find it jailbroken on the latest iOS 4.2.1 firmware.
For iPhone 4, 3GS (New Bootrom), iPod touch 4G / 3G / 2G, iPad ONLY:
Step 7:
Now from here onwards, whenever you want to do anything related to jailbreak like SSHing into your device, or running Cydia, you must first run your device in the so called "jailbroken state" on every reboot by using "Just boot tethered right now" option in Redsn0w.


Download iOS 4.2.1 for iPhone 4, 3GS, 3G, iPad, iPod touch
Download Redsn0w 0.9.6b4 for Windows
Download Redsn0w 0.9.6b4 for Mac
Download iTunes 10.1 for Windows or Mac

on Feb 03, 2011 | Cell Phones

1 Answer

How do I install a fresh copy of IOS on iPad 4?


Find & delete the existing .ipsw file, this will force iTunes to re-download it & then restore as new.
OSX:
~/Library/iTunes/iPhone Software Updates

Sep 16, 2015 | Apple Ipad I-pad

1 Answer

Need to update my ipad 2 to iOS 7.1


There are two ways to upgrade the iOS of your iPad
- via connecting the device to iTunes on a computer
- or directly from within the device
so in your case you can try connecting the iPad to a computer with iTunes installed
procedure:

  • Connect your iOS device to your computer using an USB cable. Wait for iTunes to open and connect to your device.
  • Click on device button to the left of the iTunes Store button in the top right corner in iTunes.
  • Hold down on the option key (Mac) or the shift key (Windows) and click the "Check for Update" button in the Summary pane. Browse to the .ipsw file you downloaded and select it.
  • Do not disconnect your device until the update has finished.
  • If necessary, restore your device from the previous backup and sync with iTunes.

need-update-ipad-2-ios-7-1-qrl052hdp2kg0kvuqxssgusw-4-0.jpg need-update-ipad-2-ios-7-1-qrl052hdp2kg0kvuqxssgusw-4-2.jpg Install iOS 7 0 4 update on iPhone or iPad Tutorial

Apr 06, 2014 | Apple iPad 2 Wifi 16GB

Tip

Downgrade iPhone 4, 3GS from iOS 4.0.2 to 4.0.1 Without SHSH Blobs Saved [Update...


Download iOS 4.0.1 ipsw from here.
Extract it with WinRAR or WinZip to a folder on the desktop. You may need to rename the firmware file from .ipsw to .zip to do this.
Open the buildmanifest.plist with the Notepad if you are on Windows, or TextWrangler if you are on Mac.
Search and replace all – 8A306 with 8A400. Save. Repeat the same with the file restore.plist.
Download iOS 4.0.2 ipsw from here and open this with WinRAR or WinZip.
Note: Do not extract it. Just open it and leave it open. You must use this exact file and not create a new one. If you have to create a new one for reasons like you are on OS X, then use zip command line not explorer or finder to make the zip. I will assume you are using the original file opened in WinRAR for the rest of this guide.
Take all the files from iOS 4.0.1 and drag them over to the iOS 4.0.2 zip archive that you have open.
Delete all the .dmg files that have 002 at the end, leaving only the 001 files left.
Save the archive, and rename it back to .ipsw if you changed the name to get WinRAR/WinZip to open it.
Put the device in DFU
Now simply open iTunes and restore the firmware you changed.
This is it, you should now be able to jailbreak and unlock your device on iOS 4.0.1 with JailbreakMe

on Sep 02, 2010 | Cell Phones

1 Answer

Please post the solution. Why is there no "software update" on my IPad 2?


There are two ways to upgrade the iOS version of your iPad
- via connecting the device to iTunes on a computer

- or directly from within the device, but only since iOS 5, it is possible to upgrade the iOS version without the need to connect the iOS device to a computer (over-the-air update)
just go to: settings - general - software update
- so in your case try an update with a computer with iTunes installed:
- procedure with iTunes connected:
  • Connect your iOS device to your computer using an USB cable. Wait for iTunes to open and connect to your device.
  • Click on device button to the left of the iTunes Store button in the top right corner in iTunes.
  • Hold down on the option key (Mac) or the shift key (Windows) and click the "Check for Update" button in the Summary pane. Browse to the .ipsw file you downloaded and select it.
  • Do not disconnect your device until the update has finished.
  • If necessary, restore your device from the previous backup and sync with iTunes.
Install iOS 7 0 4 update on iPhone or iPad Tutorial please-post-solution-no-software-qrl052hdp2kg0kvuqxssgusw-5-0.jpg please-post-solution-no-software-qrl052hdp2kg0kvuqxssgusw-5-2.jpg please-post-solution-no-software-qrl052hdp2kg0kvuqxssgusw-5-5.jpg

Jan 31, 2014 | Apple iPad 2 Wifi 16GB

1 Answer

I mistakenly restored my iphone 3gs's ios to 6.1.3 but it does not work now how can i downgrade my iphone's ios to appropriate ios?


Just google the stand alone IPSW file. they highest you would be able to go is 4.2.1 Find the file, download it to your computer, then go into iTunes and right click on check for downloads on the summary page and it will let you specify which .ipsw file you want to use to downgrade the SW. If the device was jailbroken there is a chance the device may be bricked for good now just so you know. Good luck.

Aug 26, 2013 | Apple iPhone 3G

1 Answer

Update iPhone Internet download


Every month or you can say frequently iOS gets updated to the new firmware which includes some new features, bug fixes or lags found in previous versions. Keeping your device updated is must to get access to awesome features and so here's a small and handy guide to all those newbies searching for how to update to the latest iOS version for your iPhone, iPod Touch and iPad.

Basically there are three ways to update they are,

  1. Via iTunes using Apple Update Center.
  2. Via iTunes using ipsw.
  3. OTA updates. (yet to release)
1. via iTunes using Apple Update Center

It's easy and pretty simple all you need is internet connection on your computer, iTunes and device connected to iTunes using dock cable.

Step One: Connect your device to iTunes.

Step Two: Open your device tab and you'll see the summary section.

main1-1024x617.jpg

Step Three: Over here, click on update button and you'll be connected to Apple's update center.

update1.jpg

Step Four: Just accept (Agree) the license agreement and it will start downloading the software update.

Apple will download and install the firmware by itself, do not disconnect from internet or disconnect the device from the PC.
2. via iTunes using ipsw

This is a killer method, I personally use this one to update my iPod. It's easy and far more safe from internet disconnection accidents.

Note: This method does update your device but along with that does erase all the data since we do not update, we restore.

Step One: First of all you'll need to download the ipsw's of the firmware. I'll prefer to download from here and save it on your desktop.

Step Two: Connect your device to iTunes

Step Three: Open your device tab and you'll see the summary section

Step Four: Over here, press "SHIFT" key and click on "RESTORE" button without leaving the"SHIFT" key and you'll be asked for browsing the ipsw file, choose the downloaded ipsw file from your desktop.

shift+-1024x617.jpg

Step Five: Now iTunes will start updating your device, no internet connection is needed here to download the update file. Only you will be asked for internet to verify the ipsw. That's it!

Congratulations, You have updated your device to latest version of iOS.
3. Over The Air (OTA) updates (yet to release)

This is a brand new feature from Apple brought in iOS 5, since iOS 5 is about to release no information regarding OTA Updates is available. In general, it means that your phone can update wirelessly without any PC over high speed connections like WiMax and 3G.

Nov 02, 2012 | Cell Phones

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