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.

Help iPhone 5C Users Unlock Backup Password to Restore

unlock iPhone 5c backup password

iPhone 5C backup password forgot

About iPhone 5C

As we know, Apple released two iPhone handsets (iPhone 5s & iPhone 5C) for the first time in 2013. Beyond all doubt, iPhone 5s has the best high quality among all iPhones. But iPhone 5C, on the contrary, seems not so favored by all users. Some bad words say it is plastic inferior iPhone that designed to satisfy users who want to experience the newest iOS iPhone but have not enough money to buy iPhone 5S.

However, here is a picture gave the final verdict of iPhone 5C. See it below:

iPhone 5c final verdict

iPhone 5C Review

Well, let’s go back to our track.

Why We Need iPhone Backup Password?

Firstly, why we need iPhone backup password? As we know, every password is existed to secure your security. So if we want to keep iPhone backup files safe, we need to set the iPhone backup password. However, what if we forgot the password?

If you are one of the unlucky ones, you may know that you cannot restore iPhone from encrypted backup without the password. And some others also reported that they once suffered from another confused thing: iTunes asking for password at backup restore even they never set such a password.

Now what can you do when password is forgotten or strangely asked by iTunes? You have to find the password. The rest article is to tell you how to find the iPhone backup password.

How to Find iPhone 5C Backup Password?

Note: In this article, we take iPhone 5C as the example to demonstrate how to find iPhone backup password. Indeed, all iPhone models are compatible with iPhone backup password recovery and other methods.

Method 1: Try Possible Used Old Password

The first and easiest method we can try. Here is a list of possible password. Hope it gives you some inspiration on recalling your password.

Apple ID password

iTunes Store password

Windows administrator password

The “passcode” you used to lock your iPhone

The passcode/lock code used on your iPhone when you first ever used the device

All sorts of variations of my children’s names and birthdays

Admin password on the computer that was in effect the first time the iPhone was backed-up

The ones suggested here “0000″, “1234″, etc.

Method 2: Enable Safari Settings

One thing that can cause iTunes asking for password even you never set it is deleting the apple.com cookie in Safari. The apple.com cookie contains the iTunes password. So if you reset Safari or delete all cookies, this could be the reason.

Method 3: Use Third Party iPhone Backup Unlocker to Get the Password

The above methods are free and you can have a try to meet your chance. If you are lucky, you may get your password with the above methods. But what if you still didn’t get back the password? Now I will recommend you a professional tool – iPhone backup unlocker.The only tool designed to recover or remove your password on iTunes backup.

Long story short, let’s go to see how to use it:

Step 1: Download, install the iPhone backup unlocker on your windows PC, run it.

Step 2: Import your encrypted backup files to this iPhone backup password unlocker program.

Step 3: Choose a proper attack strategy. Three attack types are provided. Choose the right and proper one for your password unlocking.

Step 4: Click “Start” to recover your password.

Learn more methods and tricks on unlocking iPhone backup password.