How to restore and recover your iPhone
Reinstall Mac OS X on your device with recovery mode.
Ordinarily, if you want to reinstall OS X on your iPhone, you just plug it into your computer and click "Restore" in iTunes.
Figure A. Restoring an iPhone
However, restoring works only if iTunes recognizes your iPhone. If that's not happening, then recovery mode is the answer. Recovery mode lets iTunes know that the iPhone is ready to be restored.
Restoring your iPhone puts it into an almost completely factory-fresh state that includes the erasure of all data, including songs, videos, contacts, photos, calendar information, and any other data that was added to your iPhone after its purchase. Because the loss of all your data can be inconvenient at best, restoring should be your last resort after trying any applicable troubleshooting techniques.
The only more drastic restoration beyond restoration is DFU (Device Firmware Upgrade) mode.
At times, you might want to use restore mode even when you're not restoring. For example, you may also be asked to enter restore mode by some hacking applications, because it puts the iPhone in a state where it waits for an application to talk to it, whether that's iTunes or a less official app. And you can back out of restore mode easily.
There are a couple of ways to get into recovery mode:
Make sure that your phone is off. If your phone is working normally, just hold down Power for five seconds and then slide to turn off. If your device can't boot or is hung, you'll turn it off by holding Power and Home until it powers off.
Hold down the Home button (Figure B, “Hold down Home until you are told to let go”).
Connect it to your computer via USB.
Keep holding the Home button until your phone displays a screen similar to Figure C, “A device in recovery mode”, then let go.
Figure B. Hold down Home until you are told to let go
Figure C. A device in recovery mode
If iTunes is running, it'll restore your device, as shown in Figure D, “iTunes notifying you that it's found a device in recovery mode”.
Figure D. iTunes notifying you that it's found a device in recovery mode
The next step, if you're going through with it, is to click Restore (Figure E, “iTunes has made the Restore option available”).
Figure E. iTunes has made the Restore option available
In many cases, you will be option-clicking (Mac) or shift-clicking (Windows) the Restore button. This will allow you to restore to the firmware of your choice. Figure F, “Loading a firmware image” shows the firmware selection dialog.
Figure F. Loading a firmware image
If you change your mind about recovery mode, it's easy to get out of with a hard reset. If you just leave the device for a while, it will power down, at which point you can simply turn it back on. To speed things up:
Disconnect the iPhone or iPod from the computer.
Hold down the Power and Home buttons until you see the boot logo (Figure G, “Hard reset: press and hold both Power and Home buttons”).
When you see the boot logo, let go (Figure H, “Let go of both buttons”).
Figure G. Hard reset: press and hold both Power and Home buttons
Figure H. Let go of both buttons
It's almost guaranteed that within your first week of iPhone hacking you will think you've "bricked" your phone. Luckily, it is very easy to fix. When all else fails to bring back your iPhone's functionality, look to the Restore function, either in recovery mode or DFU mode to solve your problem. This trusty technique should fix almost any imaginable hacking- or non-hacking-related iPhone issue.
Fully restoring your iPhone to a factory state (including firmware) is called virginizing. Restoring an iPhone, iPhone 3G, or iPod touch in DFU mode with an Apple-provided firmware image is all you usually need to do to virginize your phone.
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MyJad iTunes Backup Extractor
is a powerful software specially designed for iTunes backup file recovery. The software enables you to extract and recover lost or deleted photos, videos, contacts, SMS/MMS, call records, voicememos, calendars, notes and Safari bookmarks from unreadble (.sqlitedb) file. What's more, it is compatible with all types of iPhone, iPad and iPod Touch.
in order to restore and recover your iPhone first you need to connect your phone to iTunes. then it will detect your phone and then there will be option of restore your phone. click on that. by doing this your phone will be restored and it will be recovered with the latest version of all the software.
When you are inloved in the following issues, like: mistakenly deleted data in their iPhones; old data lost from their iPhones when updating to latest iOS 7 system; lost their iPhones. You can ask iPhone data recovery for help. It is a useful recovery device for almost all iPhone series: iPhone 3GS, iPhone 4, iPhone 4S, and the latest hot iPhone 5. It is even effective to recover iTunes backup files of iPad series. It extracts many kinds of files from your iPhone 5/4S iTunes backup easily. With the help of it, you can retrieve deleted or lost files from your iPhone 5/4S accordingly. You can recover data directly from iPhone 5/4S, or in another way, you can restore iPhone data
from iTunes backup as well.
Method 1: Recover Your Lost Data from iPhone Directly
Step 1. Connect your iPhone to the computer
Run the iPhone Data Recovery
and connect your iPhone to the computer.
Step 2. Preview and recover iPhone data
Choose thosee data you want to preview, mark it and click "Recover", you can save all the contents on your computer with one click.
Method 2: How to Recover Data from iPhone from Backup
Step 1. Scan the backup file
Select your device type and recovery mode before you restore your iPhone data.Then let's go to "Start Scan", and move on.
Step 2. Choose to recover iPhone data
After the scanning, all the content in the previous backup file will be listed in order and separately. You can preview all of the content one by one. Then click the "Recover" button to save it on your Computer.