macOS 10.13 beta stops installing with error "problem with firmware"

macOS 10.13 beta stops installing with error "problem with firmware".

I have MacBookAir 6.2 13" with MBA 61.0099.B22. With 10.12.6 beta is no problem.

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does NOT work......i have latest firmware compared w/ that site.......i even enabled TRIM on my 3rd party SSD - STILL getting 'can't install due to not verifying firmware' error....anyone fix??

With beta4 still the same problem

MacBook Pro Mid 2012

2.6GHz Intel Core i7

Memory: 8 GB 1600 MHz DDR3

NVIDIA GeForce GT 650M 1024 MB

Samsung Pro+ XDXC 64 GB (Failed installation)

Samsung Pro XDXC 64 GB (Failed Installation)


iPhone 5s: downloaded and installed feedback app from public beta site.


I have attempted installation on 2 known good external XDXC drives with same error message: "Unable To Verify Firmware".

'Please quit the installer and restart the OS...."


If Firmware mapping is required for the beta installation, we should have guidance on what Firmware criterion is expected. Especially since micro memory does not have updates for firmware and drive developer OS testing. I reported/documented suspected Apple Firmware SSD hacking my Apple devices since 2012.


Edit: I have not used an internal drive on any OS in 5 years. Strictly high data rate external micro drives. Installation failure is unexceptable, especially when firmware breach tools are known to exist and in the wild.

DEV Beta 5 still the error "problem with firmware"

clean install or uptate to beta5, not working.

Same here: iMac late 2009 (10.1) . Standard configuration ( HD no SSD).

Could this be that that Aura shows on a Mac Pro (1 TB) as a rotational drive...no TRIM... and in the release notes for Beta 6, it states that 10.13 still has a known issue on HDD only Macs? Tossing it out there as I have the same issue.

beta 6 did it for me.


removed 'Beta License.lpdf' and "seed license" in ./Library/Documentation/ before

removed a folder called "Eagle" ./Library/Documentation/Resources before

did smc/pram-resets before

I give up now, maybe the software will run in a year, maybe the firmware error will be fixed than to 😟

Having the same issue trying to do a clean install on an external USB3 drive.

It was a version downloaded via the App Store and was on August 14, so

guessing it was Beta 6 (version 13.0.55).

My system is:

Saw none of the aforementioned files that others had mentioned.


Tried a PRAM and SMC reset, with no change in final result.


Tried installing from the installer in macOS Sierra and also created

a standalone USB installer, both with the same result.


The destination drive was reformatted HFS+ from bith Sierra Disk Utility

and from the High Sierra installer disk utility. Same result.


The sequence of what would happen (which may give some clue):

-Rebooted to external installer

-Loaded the usual box with the different options (Disk Utility, Install OS, etc.)

-Selected the install macOS

-Installer loaded with the usual agreement stuff then destination disk window.

-Selected my external drive as destination. Odd thing here, there was no option

pertaining to changing file system.

-Went ahead and started the install.

-It did the file copies (noted by disk activity LEDs) then rebooted.

-Then the usual countdown screen came up got down to 21 minutes remaining.

-It then switched to "Install in progress. Calculating time remaining." and sat at that

point for a very long time (several minutes). During that time, there was zero disk activity.

-Then the screen went black.

-Then a new "Apple logo "loader" screen came up.

-Then went black again.

-Then another "loader screen"

-After a short bit went black then popped the window with the "Couldn't verify firmware"

restart yada, yada.


FWIW, this is the firmware info on my iMac:

Boot ROM Version: IM142.0118.B12

SMC Version (system): 2.15f7

Update, FWIW, tried install by upgrating a clean install of Sierra on the

external drive, same result.

Have solved my problem, installation is now successful, have bought an original Apple SSD, only with it, it works, with OWC Aura SSD still firmware error.

Thought perhaps that was my issue as I was trying to install to an SSD in a USB3 enclosure.

Switched to using an HDD, no difference.

Realized I had several devices connected (including a Thunderbolt Display), so unplugged

everything other that the installer drive and the destination drive. Still no luck.


Seems I simply cannot install on an external drive with my iMac. However, there must be some clue

in the fact it never prompts me wheter I want to convert to APFS. No mention of it at all.

Does't work via Thunderbolt interface either. Something I did check,

according to this list:

https://support.apple.com/en-us/HT201518


my iMac Boot ROM version shoud be IM141.0118.B12 and as posted

earlier my current version is IM142.0118.B12? The list was dated May, 2016

but I don't recall doing any firmware updates in the past year, unless it was applied

during Sierra upgrade?


Perhaps the initial tool used when getting High Sierra Beta is not loading or providing

the Boot ROM update?


Any clue what it should be for my iMac to run High Sierra?

FWIW, did a successful clean install into a VMWare Fusion virtual machine.

So, there does not seem to be an issue the instaler.


What is interesting, again, there was no option for enabling or not enabling

setting up as APFS. The installer went ahead and created the system

as APFS (which a quick glance shows quite a departure from the

traditional HFS+).


It seems to me, at least, the public beta is defaulting to APFS and if a boot

ROM doesn't support it, the installer barfs and does not fall back to HFS+?


If so, how does one update Boot ROM to be APFS compatible, or is that only

for "paying developers"?


Seems almost like a Catch-22 scenario. You need an updated Boot ROM to install,

but the installer is required to update the Boot ROM????

Well, I give up!!! Thought maybe a Bootcamp installation may have been

an issue so rmoved it and any possible remnants of its existence.


No Luck, same error!


Bit the bullet and decided to create a partition on my boot drive and do

the installation.


No luck! Same old same old.


I guess my iMac just does not want to accept the firmware update required

or the installer refuses to install the required firmware update. Either way

at this point, no beta testing High Sierra for me unless an update comes along

to resolve the issue. Or perhaps, my iMac is one of those that end up doomed

not to be able to upgrade for wahatever reason.


Will ask a last time, though it seems no one has a solution (or cares), is there

a way to force the firmware update so installation can continue?


BTW, feedback assistant is useless since there is no way of even knowing

it was received or acknowledged. Sent info about 4 times after various attemps.