Cause of Data Lost

1. Deleted data due to misoperation on iPhone
You may accidently delete photos, videos, contacts, text messages, etc. from iPhone by pressing the wrong button. Sometimes you may want to delete some other files but select the wrong ones.

2. iOS update on your iPhone
Apple’s newest versions of iOS have come. The iOS 7 has aroused great interest among users. After you update your iPhone 5/4S/4 to iOS 7, iOS 6 (iOS 6.1.3, 6.1.4), or other iOS versions, you may find that your contacts, or other data are wiped, even after restoring the rest of the device’s settings as in the norm.

3. Factory settings reset
There would be many scenarios that you need to restore factory settings on your iPhone, such as when you get stuck in white Apple logo screen of death. However, after factory settings reset on your iPhone, you may find that all of your personal information like contacts, SMS text messages, notes, etc. gets lost. Tip:As to this situation, the best way is also to backup your iPhone data before you restore factory settings. If you forget to backup, refer to the last part of the content to recover the lost iPhone data.

4. Jailbreak
Jailbreaking your iPhone may cause data loss, such as when you pull out the USB cable during the jailbreak process, or when jailbreak fails. Moreover, jailbreaking iPhone voids your warranty, which often leads your iPhone stuck in DFU mode. Thus, you may have no access to your data. Tip:Generally speaking, if you jailbreak iPhone in the right way, you can avoid data loss.

5. iPhone got damaged, crashed, smashed or even lost
When your iPhone got damaged, like it dropped into the water, its battery circuitry short circuited, etc. it may cause data loss on your iPhone, which is the same when your iPhone got crashed, smashed, etc. Tip:Guarantee that always keep your iPhone in a safe place. Build up the habit to sync your iPhone with iTunes for backup.

6. iPhone is lost or stolen
To some extent, iPhone is really a kind of valuables and theft would happen to iPhone users. If your iPhone is stolen or lost in somewhere, you would also lose the important personal information on it. Tip:Learn how to find the lost iPhone.

7. Virus attack
If your iPhone got virus attack, you may lose your iPhone data totally, or in some situations, you may have no access to the files on your iPhone. Tip:To avoid virus attack, you should ensure that every time you download apps in a security way.

8. Device is locked by a forgotten password
You may set a password on iPhone to protect your personal information, but unfortunately you may get stuck in the locked screen and have no access to your data if you forgot the password. Tip:You can write down your iPhone password on a paper and keep it in a safe place to avoid forgetting the password.

9. iPhone is stuck in black/white Apple logo screen of death
Many users complain that iPhone would get stuck in black/white Apple logo screen of death and can’t access to their files. Till now, there seems be no actual reason for this white Apple logo of death. Tips: Fix the white Apple logo screen of death on your iPhone and you get your data back again.

10. Replacing iPhone battery
Since all flash memory (except RAM) in iPhone or other phones is retained without power, replacing the battery has the same effect as resetting your iPhone, which will erase your iPhone files.