Why is my nokia lumia 720 not getting updated when I try to update it?

[Windows Central Question]

I tried updating my lumia 720 several times but these numbers (801882cb) restricted me from downloading the update... how can I over come these problem?

 

[Dietrich Cleijne]

When attempting to install Windows Phone 8 update, you may receive this Error Code: 801882CB.

Cause and resolution: In most cases, this is a network connectivity error. Make sure that your device has a good connection to the Internet, through Wi-Fi or Cellular