macOS Big Sur 11.2.1 version installation problem

when I go to update my new software 11.2.1 (3.71GB) version installation when the software reach to fully download like (3.60GB) than one error is coming on display plz check ur internet connection but my internet connection is strong and I will also restart my MacBook Air 2019 but again same error so please give me suggestion how I install this new version .

MacBook Air 13″, macOS 11.1

Posted on Feb 19, 2021 11:36 PM

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Question marked as Top-ranking reply

Posted on Feb 22, 2021 11:43 AM

Hello abdulraza,


Thanks for reaching out in Apple Support Communities! We understand you're having trouble updating your macOS due to the internet connection error you've provided. We're happy to assist you with this.


Let's try a couple steps to help isolate any issues with the network. Even though your network connection is strong, there still could be things within the network causing this issue. First, let's start by power-cycling your router/modem. This means unplug the power cable from your modem and router for 30 seconds and then reconnect them. Wait for the lights to come back on solid and try the update again.

If you receive the same error, try connecting to a different, known, reliable network. Then try the update again.

If the issue persists, contact Apple Support:

Contact Apple for support and service - Apple Support

Thanks for using the Apple Support Communities, and have a great day!


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Question marked as Top-ranking reply

Feb 22, 2021 11:43 AM in response to abdulraza

Hello abdulraza,


Thanks for reaching out in Apple Support Communities! We understand you're having trouble updating your macOS due to the internet connection error you've provided. We're happy to assist you with this.


Let's try a couple steps to help isolate any issues with the network. Even though your network connection is strong, there still could be things within the network causing this issue. First, let's start by power-cycling your router/modem. This means unplug the power cable from your modem and router for 30 seconds and then reconnect them. Wait for the lights to come back on solid and try the update again.

If you receive the same error, try connecting to a different, known, reliable network. Then try the update again.

If the issue persists, contact Apple Support:

Contact Apple for support and service - Apple Support

Thanks for using the Apple Support Communities, and have a great day!


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macOS Big Sur 11.2.1 version installation problem

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