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Internet speed down by twice when updated to macOS monterey 12.3

Hello! My router speed was 350.23 MBPS before updating to macOS 12.3. Now, the speed showing only 50MBPS. Also, the iPhone is showing 400MBPS but macbook pro still shows 50MBPS.


  • No background task running
  • No bluetooth devices are around
  • WiFi Frequency is 5GHZ.


I'd two macs and the both macs speed has been decreased.



MacBook Pro 13″, macOS 12.3

Posted on Mar 16, 2022 2:42 AM

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Question marked as Top-ranking reply

Posted on Mar 16, 2022 4:09 AM

By what method / means has the user ( you ) determined the speed of the computer is connecting at 50MBPS. ?


How many Other devices are sharing this one Router at the same time the determination was measured.


Recommended settings for Wi-Fi routers and access points


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Internet speed down by twice when updated to macOS monterey 12.3

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