Macos High Sierra Patcher Tool

While the yearly major macOS update system is free to install, it is still limited to Macs that Apple deems compatible, and every year a generation of Macs essentially becomes obsolete. This is despite the fact that Apple is eager to emphasize that macOS is a widely compatible operating system.

MacOS High Sierra Patcher is a small but powerful tool to help you set up a Mac OS High Sierra bootable USB drive that can be used for Macs earlier than the year 2008.To use MacOS High Sierra Patcher, you must have at least 8GB of available USB disk and Mac OS High Sierra installation software. MacOS High Sierra Patcher is a small but powerful tool to help you set up a Mac OS High Sierra bootable USB drive that can be used for Macs earlier than the year 2008.To use MacOS High Sierra Patcher, you must have at least 8GB of available USB disk and Mac OS High Sierra installation software.

As it happens, there are still people with close to ten-year-old Apple desktop computers still in use on a daily basis, likely performing a range of lighter tasks.

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Sep 23, 2021 MacOS Mojave Patcher is an. MacOS High Sierra Patcher Tool for Unsupported Macs. When the operation completes, boot your target unsupported Mac off the USB drive you just created by holding down the Option key while turning on the machine, and selecting the drive. Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”. Boot from the USB drive by holding down the option key after reboot. Install macOS normally, reboot back on the installer drive, and then open the “macOS Post Install” application. Installing MacOS High Sierra 10.13 on Macs Not Supported is the purpose of the guide described on this page, follow step-by-step instructions.https://www.app.

Which Macs Don't Support High Sierra

For some reason Apple doesn't want to allow these Macs to run one of its latest operating systems, namely macOS 10.13 High Sierra. This leaves the following Macs on macOS 10.11 El Capitan:

MacBook Pro – late-2009 or earlier models
MacBook – late-2008 or earlier models
MacBook Air – 2009 or earlier models
iMac – late-2008 or earlier models
Mac Mini – 2009 or earlier models
Mac Pro – 2009 or earlier models.

These machines are considered obsolete and vintage by Apple. The company defines vintage products as those that have not been manufactured for more than five years but less than seven years ago. Obsolete products are those discontinued more than seven years ago.

How To Install macOS High Sierra on Unsupported Macs

Though Apple doesn't support the above hardware officially, someone has thought about sharing the love for these older machines. A developer known as DOSDude1 has written a patch that works on Macs with the Penryn architecture. Using this still imposes certain limitations, but at least makes it possible to install macOS High Sierra on the following Macs:

Early-2008 or newer Mac Pro, iMac, or MacBook Pro (MacPro 3,1 and 4,1, iMac 8,1 and 9,1, MacBook Pro 4,1, 5,1, 5,2, 5,3, 5,4, and 5,5).
Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBook Air 2,1, MacBook 5,1).
Early-2009 or newer Mac Mini or white MacBook (Mac Mini 3,1, MacBook 5,2)
Early-2008 or newer Xserve (Xserve 2,1, Xserve 3,1).

If you happen to own any of the Penryn Macs mentioned above, the macOS High Sierra Patch Tool written by DOSDude1 will make running the latest software possible. But remember, with High Sierra you will also migrate to the Apple File System, and it is highly recommended that you first disable SIP because it may prevent the patch from working at all.

Installing the operating system on any of these Macs will require some technical knowledge, so it is not recommended for novice users. Also, a backup of your data is always a good idea in case anything goes wrong.

While there is a full step-by-step tutorial and video tutorial available on DOSDude1's website, it’s good to get a summary of the basics, which start with downloading the macOS High Sierra Installer app from the Mac App Store:

Format a USB drive as Mac OS Extended (Journaled) via Disk Utility.
Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”.
Boot from the USB drive by holding down the option key after reboot.
Install macOS normally, reboot back on the installer drive, and then open the “macOS Post Install” application.
From the options, select the Mac model you own. This step is important, because it contains the optimal patch for that specific model.
Click the “Patch” button, and after the process has finished, click “Reboot”.

The Reason Not To Install macOS High Sierra on an Unsupported Mac

As you may have already experienced with other types of officially unsupported machines, the probability of having issues is much higher. The same applies in this case, too, since the macOS High Sierra Patcher will render your iMac 8.1 Broadcom Wi-Fi chip useless for certain models.

Macs that use the Broadcom BCM4321 Wi-Fi module will not have functional Wi-Fi when running High Sierra. Another issue that has been highlighted by the developer is that the trackpad in the MacBook 5,2 isn't fully supported in this version of OS.

These are just a few of the possible issues that could arise, and this is before even mentioning the various potential software errors that you can run into by using out-of-date hardware. Without getting the proper knowledge beforehand, you'll need to revert back to the previous state of the Mac, which won't be an easy process, especially not without a Time Machine backup.

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* The “macOS High Sierra Patcher” application is intended for those with unsupported Macs and Hackintosh users, but any Mac user can use the app to be able to download the complete installer file from Apple servers. I am currently researching installing OS X 10.13 High Sierra on unsupported Macs. I did the Sierra upgrade on a couple of MacPros 4,1 and it has worked excellently, after I did a firmware update patch to get it to read as a MacPro 5,1, so I am very optimistic on doing it again.

With macOS Sierra, Apple dropped support for some of its hardware models for the first time in several years. Citing various incompatibilities and hardware deficiencies, they cut out a large swathe of machines from running Sierra. However, many Mac owners have questioned their motives, observing that some machines have made the cut whilst their more powerful contemporaries (such as the MacBook Pro) have mysteriously been left behind.

This led some to conclude that Apple is simply raising the bar to encourage hardware upgrades, and that there is often no incontrovertible hardware reason which dictates the unsupported machines. In many cases this turned out to be true, and with a few tweaks and amendments many of the “unsupported” machines have been brought back into the fold by a tool by dosdude1, called macOS Sierra Patcher. In this guide, we’ll walk you through how to use the tool to install macOS 10.12 Sierra on older Mac hardware, which claims not to support it.

Apple’s hardware requirements for macOS 10.12 Sierra are now as follows:

MacBook (Late 2009) onwards
iMac (Late 2009) onwards
MacBook Air (2010) onwards
MacBook Pro (2010) onwards
Mac Mini (2010) onwards
Mac Pro (2010) onwards

Contrast this with the table below, which shows the additional machines on which Sierra can be installed with the help of macOS Sierra Patcher:

Please note, some machines have issues, as the table reports. The most common is a lack of Wi-Fi due to the unsupported BCM4321 card in some machines, but this can often be replaced. Some machines, such as the MacBook Pro (2008/9), work perfectly with no modifications, leaving you to wonder why Apple thought it necessary to drop them at all.

If you have one of the models listed above and want to give Sierra a try, follow our instructions below to make a modified Sierra installer with Sierra Patcher. Windows 10 usb tool mac.

Instructions to install macOS Sierra on older Macs

1) Find yourself an 8GB or larger USB drive or external hard drive partition.

2) Format it as GUID Partition Map, Mac OS Extended (Journaled) using the Disk Utility application.

Related tutorial:How to use Disk Utility to format drives on your Mac

3) Download a copy of macOS Sierra 10.12. To download this via the Mac App Store you will need access to a supported machine. However, a direct download or a download inside a macOS VM can circumvent this requirement.

4) Ensure the Install macOS Sierra app which you downloaded is in your /Applications folder.

5) Download dosdude’s tool, macOS Sierra Patcher.

6) Disable SIP on the machine you want to install Sierra on. SIP must remain disabled at all times for this method to work, even after initial installation. Do not be alarmed by this. Whilst it does lessen security somewhat, it is not the end of the world, and OS versions prior to El Capitan do not include it anyway.

Related tutorial:How to disable System Integrity Protection

7) Once everything is ready, launch the macOS Sierra Patcher application.

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8) In the patcher application, click on the Sierra installer icon to select your copy of macOS Sierra. Navigate to your Applications folder and select it.

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9) Click the Volume icon to select the drive to create our modified Sierra installer on. Mine is an 8GB USB drive, called USB.

10) When ready, click Start Operation… to begin. Enter your password when prompted. Sierra Patcher will now create a macOS installer on the drive you selected, making edits on the fly so that the resulting installer can be used on unsupported machines.

Once the installer is created, Sierra Patcher will say Complete! and your USB drive should now show as OS X Base System instead of its previous name.

11) Plug the USB installer we just created into the unsupported machine. Turn on the unsupported machine whilst holding down the alt/option key. This makes the machine search for other drives to boot from, in this case, our USB drive.

12) Select the USB installer from the list of drives which appears, to boot from it.

13) Once at the macOS installer, install the OS on your unsupported machine by going through the installer screens and selecting the hard drive in your unsupported machine as the destination. If you’re doing a clean install, use Disk Utility (included in the installer Utilities section) to erase the destination drive first. I recommend doing this for a fresh start. However, if you want to keep the existing installation on the unsupported machine and simply upgrade, run the installer without erasing the drive first.

The installation will now begin. Keep an eye on it, as it will reboot halfway through to complete the installation and you must be ready when it does.

14) When the machine reboots to complete the installation, hold down the alt/option key again to return to the screen pictured in Step 12. If you miss the restart, don’t worry. The machine will try to boot up and fail. Simply hold the power button down until it turns off, then turn it on again. This time, make sure you hold the alt/option key as it boots to get the screen pictured in Step 12.

15) At the boot drive selection screen select the USB installer again (OS X Base System).

16) Once it has booted to the USB installer, we will install the patches we need to make our Sierra installation bootable. This time, instead of launching the Install Sierra utility, launch the utility called macOS Post Install.

17) The Post Install utility should auto-detect your Mac model. Check that it’s correct, and then select it from the drop-down list. The utility correctly identified my machine as a MacBookPro5,5 so that is what I selected from the list. If you’re not sure what model your machine is, search its name and production year to find out, or use the helpful utility Mactracker for Mac or for iOS.

18) Once you’ve selected your model the utility will automatically select most of the relevant patches for your machine. Unless you know what you’re doing I’d leave the rest of it as it is, with one exception. I recommend ticking Recovery Partition Patch as this will make your recovery partition bootable. This is the only must-have patch which is not enabled by default.

19) Make sure the disk to install the patches to is set to your unsupported machine’s hard drive. Mine was called Macintosh HD. Don’t install them to the USB drive or an external hard drive by mistake! When you’re done, click the button to patch the machine and reboot. Please note, you don’t need to select the “Force Cache Rebuild” option which is shown in my picture. This is only useful if your patches do not seem to have taken hold for any reason.

20) As the machine reboots, hold down alt/option one final time. This time, at the boot drive selection screen, do not select the USB drive, select the hard drive of your unsupported machine to boot from. Mine was called Macintosh HD.

The machine will now boot up and finish the installation. Allow it to complete and it should take you into your new Sierra installation on your (supposedly) unsupported Mac. If any of your features such as Wi-Fi or USB are not working after the installation completes, simply reboot to the USB drive again and re-apply your patches once more.

Best tool for programmer mac. Just remember to set it to Simple mode, which is novice-friendly.

And that’s all she wrote!

Macos High Sierra Patcher Tool For Unsupported Macs

The patcher is still being updated so you can expect support to continue through future versions of Sierra too. It seems that most users who were running El Capitan will now be able to upgrade after all; everything works perfectly for me on a Mid-2009 MacBook Pro 13″, including features such as Siri. A recent update to the tool also enabled macOS updates to be received through the Mac App Store, so even that aspect is vanilla now.

Please note that if you are using a Hackintosh and not a real Mac then this tool is not needed. All that is required is that you no longer use the SMBIOS of an unsupported machine (for example Mac Pro 3,1). By changing the SMBIOS value the machine will be considered supported, and this tool therefore unnecessary. The patcher is only required for genuine Mac hardware.

Got a machine which was cruelly shunned by macOS Sierra? Let me know whether this guide breathes new life into it.

With macOS Sierra, Apple has once again raised the bar on which Macs can install and run the newest version of the Mac OS. But as sometimes has happened in the past, there are workarounds that make it possible to install Sierra on some unsupported Macs.

A huge thank you to Collin Mistr for developing and sharing his macOS Sierra Patcher Tool for Unsupported Macs. Mistr is a member of our Low End Mac group on Facebook, and he’s been sharing this tool ever since he figured out how to install the first public beta of Sierra. Several members of our group have used the tool and shared their results.

Apple Requirements for macOS Sierra

Your Mac must have at least 2 GB of memory and 8.8 GB of available storage space. You must also be running Mac OS X 10.7 Lion or later. (For those still on OS X 10.6 Snow Leopard, you can upgrade to OS X 10.11 El Capitan for free and then install macOS Sierra.)

Late 2009 iMac or newer
Late 2009 MacBook or newer
Mid 2010 MacBook Pro or newer
Mid 2010 Mac Pro or newer
Mid 2010 Mac mini or newer
Late 2010 MacBook Air or newer

All Macs introduced in the past six years are supported, as well as the consumer MacBooks and iMacs from late 2009, which are almost 7 years old. The official macOS Sierra installer will refuse to install on anything older.

Real Hardware Requirements for macOS Sierra

Again, your Mac needs at least 2 GB of RAM and 8 GB of available storage, and you’ll need a USB drive (thumb drive or hard drive) at least 8 GB in size. You will also need a Mac with an Intel Penryn Core 2 Duo or later CPU, since Sierra requires SSE4.1 – and older versions of the Core 2 Duo, such as Merom, and older Xeon chips (used in the Mac Pro) don’t have it.

mac OS Sierra Patcher Tool for Unsupported Macs supports the followining:

Early 2008 Mac Pro or newer
Early 2008 iMac or newer
Early 2008 MacBook Pro or newer
Late 2008 MacBook Air or newer
Early 2009 MacBook White or newer

Where Apple only supports some Late 2009 and Mid 2010 Macs, Mistr’s patch supports all Early 2009 Macs, some Late 2008 Macs, and even some Early 2008 Macs. We have a full list of Macs that can unofficially install Sierra using using the Unsupported Sierra tag. We will also be updating these profiles with #unsupportedsierra as time permits.

You Can Install It, But…

That’s a lot more low-end support than Apple offers, so what’s the catch?

There has been an issue with some of the Apple AirPort hardware in older Macs, but other than that, it’s pretty much clear sailing. The AirPort support depends on which WiFi module your Mac uses. If it is not the Broadcaom BCM4321, you’re set.

Other issues include the trackpad in the 2009 MacBooks and loss of volume control on the Early 2008 iMac. Details below.

Unsupported Devices

The Broadcom BCM4321 WiFi module used in many older Macs is not supported. You will need to replace it with a compatible module or use a USB WiFi dongle. Models that may have this module include:
- Early 2008 Mac Pro (MacPro3,1)
- Early 2009 and Mid 2009 MacBook (MacBook5,2)
- Early 2008 and Late 2008 MacBook Pro (MacBookPro4,1) but the 15″ Late 2008 MacBook Prois supported
- Early 2008 iMac (iMac8,1)
- Early 2009 and Late 2009 Mac mini (Macmini3,1)
- Late 2008 and Mid 2009 MacBook Air (MacBookAir2,1).
The trackpad in the Early 2009 and Mid 2009 MacBooks is not fully supported. Sierra sees it as a standard mouse; you cannot change the trackpad orientation settings.
Some Early 2008 iMacs have an audio issue that will not let you adjust sound volume.

Real World macOS Sierra Requirements

Memory

Sure, you can install and run macOS Sierra on a 2 GB Mac, but you’re not likely to be happy with system performance. You have a couple browsers running or several tabs in one browser, and that amount of memory will really hobble performance.

Heck, I find 3 GB on my 2.0 GHz 2007 Mac mini with OS X 10.6 Snow Leopard barely adequate. Then again, I often have 3-4 browsers running, many open tabs, and some additional apps.

My 2.0 GHz Late 2008 Aluminum MacBook has been running OS X 10.9 Mavericks and 10.11 El Capitan decently with 4 GB of memory, and that should be adequate for most users. Power users, however, will want at least 8 GB of memory.

A Fast Drive

Nothing will make your aging Mac seem fast like a Solid State Drive (SSD). Where hard drives are limited in how fast they can read data off a spinning platter, SSDs have no such limitation. Speed is almost completely limited by the speed of the SATA connection in your older Mac. Macs with 1.5 Mbps SATA will seem very fast with an SSD, those with 3.0 Mbps SATA will seem wicked fast, and those with 6.0 Mbps SATA will seem insanely fast.

SSDs have become very affordable over the past year. I have 256 GB and 480 GB SSDs in my Mac mini and MacBook respectively, and they made a world of difference.

If you need really high capacity or are on a very tight budget, look into newer 7200 rpm hard drives to replace your older hard drives. Newer drives tend to be faster and have larger data buffers, which boosts performance.

A third option if hybrid hard drives, which are part hard drive and part SSD. The drive itself manages which files are on the SSD and which remain on the hard drive platters, much like Apple’s Fusion Drive. I have tried hybrid, and while it was nicer than a straight hard drive, it doesn’t compare with a full fledged SSD. For some users in some applications, though, it might be a perfect mix of hard drive capacity and sometime SSD throughput.

In Closing

Macos High Sierra Patcher Tool For Unsupported Mac Pro Early 2008 3.1

We Mac geeks have had a long history of hacking Mac OS X to run on unsupported hardware – starting with OS X 10.2. The biggest success was probably the unsupported installer hack for OS X 10.5 Leopard, allowing easy installation on Macs with G4 CPUs below the official 867 MHz threshold.

Collin Mistr’s patch is the same kind of thing for macOS Sierra. If your Mac is not supported by Apple but is by Mistr’s patch, give it a try. I think you’ll like it.

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