Uploaded July 2025 | Updated September 2026, 2 weeks ago
Apple just released macOS Sequoia 15.6!! In this video, I'll go over all the details that you will need to know about this update, including all the new features & fixes. I'll also preview the OpenCore Legacy Patcher 2.4.0 Update. Plus I will cover both Apple Silicon and Intel! CHAPTERS BELOW!
0:00 macOS Sequoia 15.6 Welcome and intro
0:15 Full Apple Software Update release list iOS, iPadOS & visionOS
0:29 So long macOS Ventura!
1:12 Using System Settings to download & install the Sequoia 15.6 update
1:51 What the BridgeOS update looks like installing on a T2 Mac
2:42 How long did it take to install the 15.6 update on Apple Silicon & Intel Macs
3:30 Sequoia 15.6 Update Checking Build Version & Beta and RC versions
4:11 Tip of the video (actually 2 tips!)
4:58 Is Apple Intelligence & Auto Software Updates enabled after installing 15.6?
5:43 Full installer & IPSW Restore files
5:55 macOS Sequoia 15.6 Update Firmware Updates
6:16 Was Safari Web Browser updated?
6:25 What’s new in the macOS Sequoia 15.6 Update ?
7:14 Wait… something is new??
8:07 macOS Sequoia 15.6 Enterprise Fixes ( a bunch! )
10:04 HUGE security update list for Sequoia 15.6!
10:32 macOS Sequoia 15.6 Update Geekbench 6 Benchmarks
11:13 OpenCore Legacy Patcher 2.4.0 & 15.6 Quick Look Preview
14:52 Any Questions ? THANK YOU!!!!
The macOS Sequoia 15.6 Update was released on 7/30/25 @ 12:20 PM CDT
My macOS Sequoia 15.6 Update Article
mrmacintosh.com/macos-sequoia-15-6-update-everything-you-need-to-know
What's new in macOS Sequoia Updates Page
support.apple.com/en-us/120283
Apple Security Updates Page
support.apple.com/en-us/100100
What's new for enterprise in macOS Sequoia
support.apple.com/en-gb/121011
Support Mr. Macintosh
patreon.com/mrmacintosh
paypal.me/mrmacintoshblog
My Install macOS Sequoia on Unsupported Macs Video - youtu.be/rfa2aSm7OxQ
Download Full macOS Sequoia Installers InstallAssistant.pkg
mrmacintosh.com/macos-sonoma-full-installer-database-download-directly-from-apple
Download Full macOS Sequoia, Sonoma, Ventura, Monterey & Big Sur M1, M2, M3 & M4 Apple Silicon IPSW Files
mrmacintosh.com/apple-silicon-m1-full-macos-restore-ipsw-firmware-files-database
Links
MrMacintosh.com - Apple Mac Enterprise IT Blog & macOS News for MacAdmins
Twitter
twitter.com/ClassicII_MrMac
Subscribe to "The Apple Ninja's" YouTube! If it wasn't for him, I would not even be on YouTube today. Thank you!!!
youtube.com/channel/UCRddzq1GBchvbZqnVkioKnQ
Apple just released macOS Sequoia 15.6!! In this video, I'll go over all the details that you will need to know about this update, including all the new features & fixes. I'll also preview the OpenCore Legacy Patcher 2.4.0 Update. Plus I will cover both Apple Silicon and Intel! CHAPTERS BELOW!
0:00 macOS Sequoia 15.6 Welcome and intro
0:15 Full Apple Software Update release list iOS, iPadOS & visionOS
0:29 So long macOS Ventura!
1:12 Using System Settings to download & install the Sequoia 15.6 update
1:51 What the BridgeOS update looks like installing on a T2 Mac
2:42 How long did it take to install the 15.6 update on Apple Silicon & Intel Macs
3:30 Sequoia 15.6 Update Checking Build Version & Beta and RC versions
4:11 Tip of the video (actually 2 tips!)
4:58 Is Apple Intelligence & Auto Software Updates enabled after installing 15.6?
5:43 Full installer & IPSW Restore files
5:55 macOS Sequoia 15.6 Update Firmware Updates
6:16 Was Safari Web Browser updated?
6:25 What’s new in the macOS Sequoia 15.6 Update ?
7:14 Wait… something is new??
8:07 macOS Sequoia 15.6 Enterprise Fixes ( a bunch! )
10:04 HUGE security update list for Sequoia 15.6!
10:32 macOS Sequoia 15.6 Update Geekbench 6 Benchmarks
11:13 OpenCore Legacy Patcher 2.4.0 & 15.6 Quick Look Preview
14:52 Any Questions ? THANK YOU!!!!
The macOS Sequoia 15.6 Update was released on 7/30/25 @ 12:20 PM CDT
My macOS Sequoia 15.6 Update Article
mrmacintosh.com/macos-sequoia-15-6-update-everything-you-need-to-know
What's new in macOS Sequoia Updates Page
support.apple.com/en-us/120283
Apple Security Updates Page
support.apple.com/en-us/100100
What's new for enterprise in macOS Sequoia
support.apple.com/en-gb/121011
Support Mr. Macintosh
patreon.com/mrmacintosh
paypal.me/mrmacintoshblog
My Install macOS Sequoia on Unsupported Macs Video - youtu.be/rfa2aSm7OxQ
Download Full macOS Sequoia Installers InstallAssistant.pkg
mrmacintosh.com/macos-sonoma-full-installer-database-download-directly-from-apple
Download Full macOS Sequoia, Sonoma, Ventura, Monterey & Big Sur M1, M2, M3 & M4 Apple Silicon IPSW Files
mrmacintosh.com/apple-silicon-m1-full-macos-restore-ipsw-firmware-files-database
Links
MrMacintosh.com - Apple Mac Enterprise IT Blog & macOS News for MacAdmins
twitter.com/ClassicII_MrMac
Subscribe to "The Apple Ninja's" YouTube! If it wasn't for him, I would not even be on YouTube today. Thank you!!!
youtube.com/channel/UCRddzq1GBchvbZqnVkioKnQ
![[FIXED] The Recovery Server Could Not Be Contacted Error! High Sierra Internet Recovery Error](https://i.ytimg.com/vi/ouNQS36dIBw/mqdefault.jpg "[FIXED] The Recovery Server Could Not Be Contacted Error! High Sierra Internet Recovery Error
Are you trying to install macOS High Sierra from recovery or internet recovery and are getting the error The recovery server could not be contacted ? THIS IS A NEW ISSUE & NOT THE DATE AND TIME OR CERT ISSUE! In this video, I will show you 3 ways to fix the issue. CHAPTERS BELOW
Command
This is the full command to run in terminal to change the apple software update server url from https to http in nvram
nvram IASUCatalogURL=http://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog
URL with spaces because of YouTube formatting is removing the full URL just remove the space after each /
http://swscan.apple.com/ content/ catalogs/ others/ index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog
NOTE! IF YOUTUBE DOES NOT SHOW FULL COMMAND PATH VISIT MY ARTICLE BELOW
https://mrmacintosh.com/how-to-fix-the-recovery-server-could-not-be-contacted-error-high-sierra-recovery-is-still-online-but-broken/
Support Mr. Macintosh
https://www.patreon.com/mrmacintosh
https://paypal.me/mrmacintoshblog
0:00 Welcome and intro
0:30 MrMacintosh.com Article link
0:42 Quick review of the 3 different ways to fix this issue
1:11 What is the root problem of this issue?
2:38 Fix Option #1 Boot to a newer version of macOS Internet Recovery
3:39 Fix Option #2 Boot to macOS High Sierra USB Drive
3:58 Fix Option #3 If you can’t do #1 or #2 Change SUS URL = connect to recovery server
4:28 If you are using macOS recovery from Command R make sure you are connected to WIFI first!
4:39 Just to be sure, make sure your date and time are correct in macOS terminal with the date command
4:55 Showing a demo of how macOS High Sierra recovery fails
5:28 Walkthrough step by step fix changing the macOS Recovery SUS URL for the recovery server issue
8:51 Let me know if you have any questions! + macOS Sierra Recovery is also broken!
Huge thanks goes out to dhinakg for helping me investigate this issue! You can follow him on twitter here = https://twitter.com/dhinakg
Main article link on now to fix the macOS High Sierra The recovery server could not be contacted error!
https://mrmacintosh.com/how-to-fix-the-recovery-server-could-not-be-contacted-error-high-sierra-recovery-is-still-online-but-broken/
https://MrMacintosh.com - Apple Mac Enterprise IT Blog & macOS News for MacAdmins
Twitter
https://twitter.com/ClassicII_MrMac")
![NEW Sequoia Macintosh Screen Saver HD [FULL VIDEO LOOP!!!]](https://i.ytimg.com/vi/pnjxehheT_I/mqdefault.jpg "NEW Sequoia Macintosh Screen Saver HD [FULL VIDEO LOOP!!!]
Everyone has been asking about the new macOS Sequoia Vintage Macintosh Screen Saver & wallpaper! This new screensaver is NOT a looping video, it is an actual framework/application that can dynamically generate different images AND display the current date and time! I recorded it in 1080p on a M1 MacBook Air. This should be the full loop starting with the Mac Booting icon and looping all the way back. Enjoy!!!
Support Mr. Macintosh
https://www.patreon.com/mrmacintosh
http://paypal.me/mrmacintoshblog
BasicAppleGuy HD Sequoia Macintosh wallpaper downloads
https://basicappleguy.com/haberdashery/macintoshwallpapers
macOS Sequoia Full installer Installassistant.pkg
https://mrmacintosh.com/macos-sequoia-full-installer-database-download-directly-from-apple/
M1, M2 & M3 IPSW Full installer for Apple Configurator 2
https://mrmacintosh.com/apple-silicon-m1-full-macos-restore-ipsw-firmware-files-database/
macOS Sequoia Preview
https://www.apple.com/macos/macos-sequoia-preview/")
