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Question: Upgraded to the latest i0S and lost data. How do I recover that data?

My son-in-law updated to the latest i0S 11.1 on his iPhone 6 -

some pdf files that were stored in iBooks disappeared and also from some of contacts.


Is there a way to recover missing data?

iPhone 6, iOS 10.2.1

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Answer:
Answer:

First thing to do is a restart or forced restart on the iPhone and see if they reappear:


Restart your iPhone, iPad, or iPod touch - Apple Support

If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support (even though your screen is not black or frozen, see that section)


If those steps don't help the only remaining thing to try (that I know of) is to restore the device from a backup:


Restore your iPhone, iPad, or iPod touch from a backup - Apple Support

What does iCloud back up? - Apple Support

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Nov 17, 2017 11:21 AM in response to Micki1020 In response to Micki1020

Micki1020 wrote:


My son-in-law updated to the latest i0S 11.1 on his iPhone 6 -

some pdf files that were stored in iBooks disappeared and also from some of contacts.


Is there a way to recover missing data?

Restore your iPhone, iPad, or iPod touch from a backup - Apple Support

Nov 17, 2017 11:21 AM

Reply Helpful
Question marked as Apple Recommended

Nov 17, 2017 11:32 AM in response to Micki1020 In response to Micki1020

First thing to do is a restart or forced restart on the iPhone and see if they reappear:


Restart your iPhone, iPad, or iPod touch - Apple Support

If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support (even though your screen is not black or frozen, see that section)


If those steps don't help the only remaining thing to try (that I know of) is to restore the device from a backup:


Restore your iPhone, iPad, or iPod touch from a backup - Apple Support

What does iCloud back up? - Apple Support

Nov 17, 2017 11:32 AM

Reply Helpful
User profile for user: Micki1020

Question: Upgraded to the latest i0S and lost data. How do I recover that data?