Many users have complained that they are not able to make backups using
the iCloud. They say they get an error message saying that the files are missing.
The alert message says ‘some files were unavailable during the last backup’.

It is a good idea to use iCloud, which is the cloud storage service of Apple, as a
backup location. You can back up your device wirelessly using your Wi-Fi
network. Therefore, there is no need to use manual backups using iTunes.

If your iPhone or iPad is locked and connected to a power source and Wi-Fi, it
will conduct automatic backup. However, you must have turned on the iCloud


The error ‘some files were unavailable during the last backup’ can arise due to
many reasons. If you are facing this issue, you can try to back up your iPhone
using iTunes by following these steps –

  • Connect your iPhone to the computer.
  • Now, open iTunes and choose your device.
  • Simply press the ‘Back up now’ button to back up your device.


  •  Reboot your device and then try to carry out the backup.


  • This error may also come up when some app is running continuously so,
    you must kill all the apps in the background.
  • This error may also indicate that your connection was lost for some time
    during your last iCloud backup. If this is the reason, try to back up your
    device your iTunes and then use iCloud.

wifi connection

  • Try to delete your old backup and then try again.
  • Try to force restart your device by pressing the wake button along with
    the home button until you see the Apple logo on your screen.
  • Ensure that you have ample of iCloud storage. If you lack storage, try to
    delete old backups, photos, videos and other files.

delete backup

  • Open iCloud and tap on Apple ID and sign in and wait for a few seconds.
    Now, sign out and then try to sign in back again.


  • Try to remove the network settings. Just open settings and go to general
    and then reset and then reset network settings. This will remove all your
    settings like your Wi-Fi passwords etc.


reset network

  • Also, make sure that you are using the latest version of your iOS on your
    iPad and iPhone. Just open settings and go to general and software

This may solve your issue that you are facing on your iPhone and iPad. You can
try the above fixes one by one and see which one works best for you.

How to block ‘no caller ID’ calls on iPhone?

Do you get a lot of calls from the unknown callers who are spammers or
telemarketers with ‘No caller ID’? If might probably want to block these calls
as you cannot identify the number of the caller before you answer it. You will
see these calls labelled as anonymous, private or blocked.

You get these calls as in the USA, the FCC or Federal Communications Commission
commands that the cellular carries let people block their caller ID, hence no
caller ID. But the users may want to hide their telephone numbers intentionally
due to the privacy reasons.

There are various telemarketers and spammers who use the No caller ID as
they do not wish to be known.

no caller id

But here is some good news for you that you can block these callers and

Here in this article, we are going to see what you can do to block the No caller
ID calls that you are receiving on your phone. There are 2 ways to do so, let us
have a look at each of them one by one.

Method 1 – Do not disturb

You can use the Do Not Disturb mode to block the calls from unknown callers.
The Do Not Disturb mode allows you to silence calls. If you wish to turn on the
Do Not Disturb mode, just follow the steps mentioned below –

  •  Open settings and go to do not disturb.
  •  Select manual and then you can turn on the Do Not Disturb mode.
  • If Do Not Disturb mode is on, you will notice a moon icon in the status
  • If you want to receive calls from your contact, just select ‘allow calls
    from’ and then select ‘all contacts.

do not distrub

By doing so, you will silent all the calls from the numbers which are not added
in your address book. The ‘no caller ID’ calls will automatically be silenced now
as they are not in your contact list.

Make a note that the calls from ‘no caller ID’ are just silenced and not blocked.
You will still get the calls in Do not Disturb mode.

Method 2 – using contacts

First of all, you have to create a new contact with the name ‘no caller ID’.

  • Open your phone app and press contacts tab.
  • Now, press the + button to add a new contact.
  • In the phone number field, type 000-000-0000.
  • After that press the done button.


  • Now, press the block this caller tab. You will see a message warning that
    you won’t receive phone calls or messages or FaceTime from the people
    who are on your block list. Just press the block contact option to block
    this contact.

Methods 3 – block No caller ID calls

If you truly want to block a number from reaching you, it can be done at the
network level.

Most of the cellular carriers have an option to block the calls that you want.
Here is how you can do this.

  • Blocking calls with no caller ID (AT & T)
  • Block anonymous callers (T mobile)
  • Anonymous call block (Verizon)
  • How do I activate anonymous call rejection (Bright House)

Though, some carriers such as Sprint do not provide this feature, as of now.
You can ask your carrier provider if they have this option or not.

How to fix the unable to install update error on iOS?

Many iOS users have complained that they are getting an error when they
attempt to update their iPhone or iPad. It has become one of the most
common errors faced by iOS users while updating their device.

To update your iPhone or iPad you just have to open settings and go to the general
tab. Now, choose a software update to update your device. If you are unable to
do so, then it can be due to many possible reasons.

We all know that Apple provides regular updates for iOS devices. They are
released through over-the-air-software updates. They are basically meant for
fixing the bugs and providing some additional features and improvements.

unable to check

Therefore, it is highly recommended that you install updates when they are

If you are not able to install the update on your iPhone or iPad, then no need
to worry. Here in this article, we have mentioned how you can fix the iOS
update problem.

1. First of all, you must reboot your iOS device as this is the most common
fix to solve many such bugs.
2. Also, see if you have enough space to download and install the update on
your iOS device. If you don’t have enough space on your device, you
have to create some. Just go to settings and then open general and then
Storage & iCloud usage and lastly manage storage. You can also turn on
the iCloud photo library as it will compress the size of your photo library.
3. You can also try to remove and download the iOS update by following
the following steps –

  • Go to manage storage in the settings of your device.
  • Now choose the iOS update and delete the update.
  • Now, open settings and then general and then software update. Now,
    try to install the update again.

delete update

4. Try installing the update through iTunes by following the steps
mentioned below –

  • Ensure that you have the latest version of iTunes on your PC.
  • Open iTunes and connect your iDevice using the USB.
  • Now, choose your device and click on the summary.
  • Now choose the check for update option.
  • Just press the download and update option.
  • Enter the passcode if prompted.

itune update

5. Try to force restart your device

  • If you are using iPhone 7 or newer, you have to press and hold the
    sleep/wake button along with the volume down until you see the Apple logo
  • If you are using iPhone 6s or lower, press and hold the sleep/wake
    button along with the Home button until you see the Apple logo on your

reforce restart

6. You can also use the iOS IPSW File to update your iDevice. However, this
fix is for the advanced users only.

  • First of all, download IPSW file for your iDevice on your PC.

ipsw file

  • Now, connect your iDevice to your PC.

divice connecting

  • Now, you have to open iTunes and then choose the summary tab.


  • Now, if you are using Windows, just press the shift key and if you are
    using Mac press the Alt/Option key and then select Update.
  • Now, you will have to locate and choose the IPSW file that you have
    downloaded for your device.
  • This will update the iOS device that you want to update.