The iphone shows connect to itunes when switched on if i do so it ask to to restore the iphone.While in the process of restoring the iphone gets undetected in itunes and an error 23 occursin itunes

If you have synced your iPhone with iTunes before you forget your iPhone password, you can reset your iPhone by using iTunes without losing data. Through iTunes, you can restore your iPhone from the last backup and remove the passcode from your locked iPhone while retaining your data. If iTunes asks you to enter the passcode, try another computer. Otherwise, you have to follow the reset iPhone Passcode with Recovery Mode section below. The following steps will show you how to reset iPhone password with iTunes.
Step 1. Connect your iPhone to the computer with via a USB cable that your iPhone has trusted.
Step 2. Launch iTunes. If you've synced your iPhone with iTunes, then no "enter password" is required.
Step 3. iTunes will automatically sync your iPhone and create a backup file. If it doesn't, you should sync your iTunes and create a backup file manually by in the Summary window.
Step 4. In the Summary window, you can see the option "Restore iPhone". Click it and follow prompts to choose the latest iTunes backup to restore your iPhone.

After the restoration process is complete, your passcode will be erased and all your data will be restored from your backup. You will now be able to access your iPhone without any passcode. And you can set your new password on iPhone.

For more details, check: How to Reset Password on iPhone

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Have you tryed restoreing the iphone?

Restore

• Note: Because Restore erases all of the songs and files on iPod, make sure to back up any files you've saved on the iPod disk. All of your songs, videos, podcasts, audiobooks, and games can be loaded back to your iPod provided that you have them stored in your itunes Library.

How to restore your iPod:
For Windows:

• 1. Make sure you've reinstalled the latest version of itunes.
• 2. Open itunes, and then connect your iPod to your computer.
• 3. After a few moments, it will appear in the source list in itunes.
• 4. Select your iPod in the source list and you will see information about it appear in the Summary tab of the main itunes windows.
• 5. Click the Restore button. You will be prompted with one or more restore options that may prompt itunes to automatically download of the latest iPod Software. The 4 possible restore options are:
  • Restore Option 1: Restore - Restores with same iPod Software version already on iPod.
  • Restore Option 2: Use Same Version - Restores with same iPod Software version already on iPod even though a newer version is available.
  • Restore Option 3: Use Newest Version - Restores with the latest iPod Software on your computer.
  • Restore Option 4: Restore and Update - Restores with the latest iPod Software on your computer.
• 6. A progress bar will appear on the computer screen indicating that the first stage of the restore process has started. When this stage is completed, itunes will instruct you to leave iPod connected to your computer to complete restore.
• 7. During the stage 2 of the restore process, the iPod will show an Apple logo as well as a progress bar at the bottom of the display. It is critical that the iPod remains connected to the computer or iPod Power adapter during this stage. Note: The progress bar may be difficult to see since the backlight on the iPod display may be off.
• 8. After stage 2 of the restore process is complete and the iPod is connected to the computer, the itunes Setup Assistant window will appear asking you to name your iPod and choose your syncing preferences similar to when you connected your iPod for the first time.

If you forgot passcode on iPhone, there are several ways to reset your iPhone passcode. Just follow below steps to do that.

If you have synced your iPhone with iTunes before you forget your iPhone password, you can reset your iPhone by using iTunes without losing data. Through iTunes, you can restore your iPhone from the last backup and remove the passcode from your locked iPhone while retaining your data. If iTunes asks you to enter the passcode, try another computer. Otherwise, you have to follow the reset iPhone Passcode with Recovery Mode section below. The following steps will show you how to reset iPhone password with iTunes.
Step 1. Connect your iPhone to the computer with via a USB cable that your iPhone has trusted.
Step 2. Launch iTunes. If you've synced your iPhone with iTunes, then no "enter password" is required.
Step 3. iTunes will automatically sync your iPhone and create a backup file. If it doesn't, you should sync your iTunes and create a backup file manually by in the Summary window.
Step 4. In the Summary window, you can see the option "Restore iPhone". Click it and follow prompts to choose the latest iTunes backup to restore your iPhone.

After the restoration process is complete, your passcode will be erased and all your data will be restored from your backup. You will now be able to access your iPhone without any passcode. And you can set your new password on iPhone.

For more methods, check: How to Reset Password on iPhone

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It's simple. If you have synced your iPhone with iTunes before you forget your iPhone password, you can reset your iPhone by using iTunes without losing data. Through iTunes, you can restore your iPhone from the last backup and remove the passcode from your locked iPhone while retaining your data. If iTunes asks you to enter the passcode, try another computer. Otherwise, you have to follow the reset iPhone Passcode with Recovery Mode section below. The following steps will show you how to reset iPhone password with iTunes.
Step 1. Connect your iPhone to the computer with via a USB cable that your iPhone has trusted.
Step 2. Launch iTunes. If you've synced your iPhone with iTunes, then no "enter password" is required.
Step 3. iTunes will automatically sync your iPhone and create a backup file. If it doesn't, you should sync your iTunes and create a backup file manually by in the Summary window.
Step 4. In the Summary window, you can see the option "Restore iPhone". Click it and follow prompts to choose the latest iTunes backup to restore your iPhone.

After the restoration process is complete, your passcode will be erased and all your data will be restored from your backup. You will now be able to access your iPhone without any passcode. And you can set your new password on iPhone.

For more methods, check: How to Reset Password on iPhone

switch off iphone and hold power buttuon for 5 seconds after 5 seconds while pressing power button hold and press home button along power button .. then connect to itunes ask to restore .. if u r having ipsw hold shift and press restore button on itunes if not without holding shift press restore button .. then it will be restored to the newest version of iphone

I would restore the iphone from you last back up. this will reinstall your operating system and insure you do not have a soft ware issue.


Make sure you have the latest version of iTunes installed and running before attempting to update.
Connect your device to your computer.
Select your iPhone, iPad, or iPod touch when it appears in iTunes under Devices.
Select the Summary tab.
Select the Restore option.
When prompted to back up your settings before restoring, select the Back Up option (as seen in the image below). If you have just backed up the device, it is not necessary to create another.

Select the Restore option when iTunes prompts you (as long as you've backed up your device, you should not have to worry about restoring your phone).

Once the restore process has completed, the device restarts and displays the Apple logo while starting up:

iPhone only: For the iPhone only, after a restore, the iPhone displays the "Connect to iTunes" screen. Keep your device connected until the "Connect to iTunes" screen goes away or you see "iPhone is activated." If iTunes does not have an Internet connection, you cannot complete this step.

The final step is to restore your device from a previous backup. Once your device is restored and-in the case of the iPhone-in the process of activating, you should be able to see the following in iTunes:

Select the backup you want for your device and select the Continue button to complete your device's restoration.
If you do not want to restore from backup, select "Set up as new..." If you want to preserve previous backups that iTunes has made, be sure to back up the appropriate directory before choosing to set up as new

Instead of trying to update when you connect to iTunes you should try to restore the phone completely.

You can find the restore button in the lower right hand corner of your screen. If iTunes asks if you want to update click cancel. You just want to restore.

If it is still not turning on after it reappears in iTunes you should take it to Apple if it is still under warranty they will exchange it for you.

Hi. My 2G iphone was connected to Itunes and it was accidently disconnected...now the screen is showing a UBB cord with an arrow pointing towards the Itunes logo. can you help?