iPhone 4s Backup not Working on 5s without Backup Password

“I just changed my iPhone 4s to 5s because it is becoming slowly and slowly. Now I’m occurring a problem, as I connected my iPhone 5s with iTunes to back up my last iPhone settings etc. it asks me to enter a password and the backup password I entered was not working.”

iTunes to make sure the safety of your iPhone backup files, so a backup password is needed. Unfortunately, if you forget this password, then the iPhone backup cannot be unlocked. Such as the iPhone 4s backup not working on iPhone 5s above, the fundamental reason is the user forgot the iTunes backup password.


It is very common that you lose the iPhone backup password, because password is usually set at the first time when we backup iPhone, so it is easily to be forgotten after a long time or you are just confused with the password. If you don’t have a correct password you have set before, you can’t back up your data or setting from iPhone 4s to iPhone 5s.

How to recover iPhone backup password to transfer the old iPhone 4/4s/5 backup to iPhone 5s/6/6s/6s Plus? Here are two methods you can try to unlock your iPhone backup on iTunes.

Method 1: Try commonly used passwords

  1. Apple ID password?
  2. Windows Administrator password?
  3. iPhone Power-on password?
  4. Password on any other APP?

Method 2: Recover iPhone backup password with iPhone Backup Unlocker

If the method above can’t unlock your iPhone backup, you may need a third-party software such as iPhone Backup Unlocker from Tenorshare to help you.

Tenorshare iPhone Backup Unlocker is an excellent tool to remove your lost or forgotten iPhone backup password safely, let your iPhone 4s backup working on iPhone 5s or directly restore the contacts, messages, photos and more data from iTunes to your original iPhone.

  • Step 1. Launch the iPhone Backup Unlocker on your computer, then press “open” and after several clicks you can import the directory of the Key Container File on the software.
  • Step 2. There are totally three types of attacks: Brute-force Attack, Brute-force with Mask Attack and Dictionary Attack. Choose an attack type and then set settings for this attack.
  • Step 3. Click “Start” to run the program and you can get the iPhone backup password within a few minutes.

Now you can get back your iPhone backup password and the iPhone 4s backup is working on iPhone 5s.

Decrypt iTunes backup password for your iOS 8.3 device

There are so many smart user will encrypt their iTunes backup for security. However, it will be a big trouble that you forget or remember a wrong iTunes backup password when you need to restore data in iOS update, jailbreak, or other circumstances. I think you ever faced to this kind of trouble and know less about how to decrypt forgotten iTunes backup password. When I upgraed my iPhone 6 to iOS 8.3, I have got into this hot water,so I know something helpful for iTunes password decryption.

Helpful Tech 1: Try all possibility that you remember

When I found that I had forgot my password after iOS 8.3 update, I tried to do some guesses. Our passwords for decryption are related to something in daily life. In the process of trying, I think something possible combinations will recall you.

1.Try your Apple ID (inclduing iTunes store) password

2.Try your iOS device lockscreen number

3.Try your computer account password

4.Try all info about you and your love(birthday, graduation day, memorial Day,etc)


itunes backup password recovery for ios 8.3

Helpful Tech 2:Use iTunes backup password unlocker tool

However,sometime we need to face to unlucky thing—we exactly forgot the password. But, we don’t need to be dissappointed. A type of unlocking program can help us unlock iTunes backup password after iOS 8.3

iPhone Backup Unlocker is dedicated to recovering lost iTunes backup password for iOS devices including iPhone, iPad, and iPod, and enabling forensic access to address books, call logs, SMS archives, voice mail and email account settings, applications, and so on in these backups. Moreover, it ensures you no data loss or damage to your backup data.

It is more convenient to recover iTunes backup password with tool. And I can remember some words in password, so I set them in this program, decrytion will be faster.

Steps for iTunes password recovery with tool

Part 1. Recover iTunes Backup Password

Step 1.Select/Import iTunes Backup Key Container File to Decrypt

Step 2. Choose an Attack Type and Set the Attack Type Accordingly

Step 3. Decrypt iTunes Backup Password

Part 2. Remove iTunes Backup Password

Step 1. Select Encrypted iPhone backup file.

Step 2. Start to Remove iPhone backup password.

How to Unlock iPhone 5 Backup Password? The Easy and Efficient Way!

Just as usual, we would like to encrypt our files with passwords especially some important and confidential data. Yet what makes us crazy in most of the time is that we always have many passwords in different cases and it’s easy to confuse one to another. Then we will be held back when we want to access the password forgotten file. The case is not an exception when it comes to iTunes backup file.


When iTunes Backup File is Encrypted with Unexpected Password, What Should We Do?

What’s worse, sometimes even you never set a password for the iTunes backup, iTunes still asking for a password! What a sick! What should you do next?

Attempt one

1. Disconnect your iPhone 5 with computer by extracting your iPhone 5 digital cable out of the USB port.

2. Sign out of your iTunes account.

3. Connect your iPhone 5 again back to your computer.

4. Sign in again with your iTunes account.

Attempt two

Enter our password that used to lock your iPhone 5 before if you remember it. Remember not the Apple ID password.

Attempt three

If all the above attempts do not work for you, you may need to resort to a piece of software – iPhone Backup Unlocker which can help you find your iTunes backup password efficiently. It is the iPhone 5 Backup Unlocker which is needed to solve the iPhone backup password forgotten problem. Here I must illustrate is that this “Cracker” is a legal stuff which is recognized by people.


How to Unlock iPhone 5 Backup Password with iPhone Backup Unlocker?

Generally, iPhone Backup Unlocker is a great trick for normal people who have no time to read a long and complex manual and try a few times before we figure out how the stuff works. What you need to do to unlock your iPhone 5 backup are:

how to unlock encrypted iPhone 5 backup

iPhone 5 Backup Unlcoker

  • Import your encrypted iPhone 5 backup file
  • Select a proper attack type on your need
  • Start unlocking encrypted iPhone 5 backup file

Note: Here I will introduce the respective attack type in detail as below.

  • Brute-force Attack

When you forget your password completely, this attack type will try all possible combination by default. You don’t need to define any setting. Yet, this may be the most time-consuming one of the three.

  • Brute-force with Mask Attack

If you have some clue of your password, for example, you remember the password length or character set of the password, this attack type may be a good choice. Define corresponding settings in the specified blank.

  • Dictionary Attack

This attack type also needs settings before moving on. You can choose “Use Default Dictionary”. Or if you have a password record list file, you can choose “Browse Dictionary File”.

unlocking iPhone 5 backup file

unlock iPhone 5 backup

Dictionary Attack is always recommended first because it is much faster than the other two options.

When done successfully, the password used to lock your iPhone 5 backup file will be pop up in the File Opening Password Box. Copy it to the password asking blank, then you can go to your iPhone 5 backup file without any hassle.


Watch the video to learn the plain operation of iPhone Backup Unlocker.