Questions tagged [firmware]

A firmware is a type of software that provides control, monitoring and data manipulation of engineered products and systems.

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Monitor LG 27MD5KL-B

I have a LG 27MD5KL-B, with this firmware: 3.04,2.23,5250,4.13,0.3. manufactured in June, 2019. Using this monitor with a Mac Pro 2013, when I boot into Apple Recovery Mode, as soon as recovery starts ...
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How to update bridgeOS without internet connection?

We recently tried to update an air gapped Mac Mini 2018 with the 10.14.6 Combo Update. It failed because the bridgeOS version was too old. On an internet connected Mac it just downloads the latest ...
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Using older macOS on MacBook Pro with updated EFI firmware

If, for example, I'm using El Capitan on a MBP, I then install High Sierra on it and the firmware gets updated, will I be able to re-install El Capitan if I decide to do so later?
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Restore firmware on machine without MacOS

My daughter's Macbook Air is broken. She's a wild non-child and its likely to have been roughly treated and also left for years without charge, not updated (I told her!) and used on virus'y sites. ...
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Macbook Pro mid-2012 restarts after entering password

Macbook Pro mid-2012 restarts after entering password and gives an error after restart I'm unable to use any other boot command like Command + R etc as it leads to a screen with a lock and I've ...
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Can I install a custom OS on iPhone 5s?

I got myself an owned iPhone 5s to have some fun. Today I got extra adventurous and would like to try some "unofficial" operating systems like Android and postmarketOS. Unfortunately, a quick search ...
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How can I upgrade my firmware if I don't have macos installed?

I'm a Linux guru and have installed Windows 7 dual boot with ubuntu for my work computer but to be able to use all 8gb worth of ram I need to upgrade my firmware. Any ideas? I'm using a macbook A1342 ...
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dfu-util (from xpwn) to install iOS 12.4.1 on iPhone XS?

I was wondering if I can safely use dfu-util from xpwn to install iOS 12.4.1 (from here) on an iPhone XS. In these dfu-util instructions, the syntax to use is listed as sudo ./dfu-util <custom....
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Firmware vs. ios

I’m asking what the difference is cuz i’m having an iPad issue and there is an online company that offers services to fix an apple boot loop. I downloaded the free trial and it had me download ...
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102 views

Create firmware partition for macOS to be installed

Here is what I did. I removed my internal SSD from my MacBook and now I am using an external SSD (a Samsung SSD T5) with macOS on it. Currently I have Mac OS X 10.9.5 installed on it. I want to ...
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How do I update the firmware to allow my Mac to recognize my external Catalina boot disk

I have a MacBook Pro mid 2012, the cable that connects the hard drive to the logic board doesn’t work anymore so I’ve been booting externally with a usb with Sierra. Then I plugged my usb into a ...
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AirPods 2nd Gen. with firmware 2A364 dropped volume level in non-iOS Devices

When I bought new Airpods 2nd gen, the firmware it came with was 1A673. The volume level on my android phone (OnePlus 6T) when connected was quite loud and everything was good. But when I connected ...
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Can't update my Macbook firmware

Here is my very sad story. I have a Macbook pro 13" retina early 2015 (MB 12,1). My bootrom version is MBP121.0167.B07 and according to this ( https://docs.google.com/spreadsheets/d/...
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2k views

Re-enable startup chime on new Mac [duplicate]

I want to hack my iMac's firmware - or maybe that's a stupid idea, but I got to the conclusion that that would be my only option. And please note that my knowledge of coding is at the level of writing ...
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Macbook Air (mid 2012) Efi Firmware Downgrade –to original

I want to bring back my beloved Macbook Air 2012 (MBA5,2) to its 'original firmware'. I have identified the file as MBA51_00EF_B01.scap, which I extracted using unpkg over the downloadable offered by ...
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Install Linux without firmware password

I have a Late 2013 MacBook Pro with an unknown firmware password set. I don't know the firmware password because the laptop is a castoff from a company and I have no way to get the password from them. ...
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426 views

Is it possible to downgrade Boot ROM SW to try and fix unbooting Late 2012 iMac from Single User Mode?

I currently have 283.0.0.0.0 Boot ROM SW installed on my crippled Late 2012 iMac - which I upgraded HDD->SDD, tried to unsuccessfully install Mojave, then broke fusion setup, erased drives and am now ...
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How to create “firmware partition” on HDD?

I have a problem with internal hard drive in my IMac, it doesn't work, but I have an external hard drive (HDD), and I want to run MacOS on it. I successfully installed MacOS and upgraded it to Sierra....
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Can you know the macOS version from the firmware version in Macs?

I’d like to know if it’s possible to know what macOS version is installed in a Mac (such as macOS 10.14.3) if you can get the firmware version (such as in System information). I sometimes cannot log ...
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iMac Thunderbolt Firmware Issues

I am running High Sierra and am trying to use an Antelope Orion 32+ with this system through Thunderbolt. The device gets picked up in my system info and the port is in use. It is impossible for ...
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308 views

Can I run Yosemite after I install the Mojave firmware updates?

I'm very hesitantly getting ready to "upgrade" from Yosemite to Mojave because I worry that it will break things I still need. So to give it a try I've decided to install Mojave on an external drive ...
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What is the latest version of firmware for the AirPods (first generation)?

My AirPods still show a firmware version of 3.7.2 after many months. Is that the version 3.7.2 current in January 2019?
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Is there a way to update a Mac to High Sierra or Mojave if OEM SSD is unavailable?

I have a late 2013 Mac Pro that had been running Sierra before its internal SSD died. I'd like to replace the internal drive, but OWC's site indicates the following: "macOS 10.13 and later versions ...
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692 views

Why can't newer Mac hardware boot DBAN?

I have a DBAN CD )used with an external optical drive) which I have used in the past on multiple old Macs. I tried to use it on a 2018 Macbook Pro and DBAN could not be booted. Specifically, I tried ...
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997 views

Unable to update to Mojave

Where I work, there is an iMac Pro with a broken hard drive. My company doesn't want to dish out money to fix it, so I took it and installed Mac OS High Sierra on an external hard drive and booted ...
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Firmware error from Sierra to Mojave [duplicate]

I have a MacBook Pro 13-inch mid 2012 with macOS Sierra v. 10.12.6 Some technician installed Samsung SSD 840 EVO 1TB for me on this machine. There was no problem until I tried to install MacOS Mojave. ...
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55 views

It's possible to use a Mac invited account with firmware password enabled?

I have the firmware protection enabled on my Mac, but whit this property I can't use the guest account of the computer without ingress the firmware password. I'd like to avoid this password request ...
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1answer
689 views

I can't type special characters on my Mac firmware password request

I have the firmware password enabled on my MacBook Pro. I had never used it until this morning, when trying to access from another partition I have to write it inevitably to be able to do anything; I ...
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1answer
610 views

Macbook pro won't start after update to Mojave

I've just updated my 2012 MacBook Pro to macOS Mojave but it won't boot (the caps lock light won't turn on and off.) So I've try to hold CMD+R during the boot but it asks me for a password, but I don'...
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289 views

Is it possible to use Intel AMT to manage MacBooks?

https://www.intel.com/content/www/us/en/architecture-and-technology/intel-active-management-technology.html I've heard MacBook intel chips are AMT-capable, but AMT isn't ever enabled so you can't ...
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3answers
1k views

What's the purpose of Mac firmware standalone updates still offered by Apple online?

I'm learning Mac troubleshooting and have stumbled upon this article several times, which very clearly explains that you can download and install these updates from macOS itself: About EFI and SMC ...
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665 views

Airport Express with New Firmware 7.8 - Problems with connectivity and Airport Utility

I have multiple Airport Express which seem to have some problems since i have updated to the new Firmware (7.8) The Airport Express looses Connection very often (with the old Firmware this never ...
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225 views

Massive .dmg file in /Users/username/firmware/ folder: any ideas what the heck it is?

So, I've discovered that there's a 2.57GB .dmg file in the /Users/username/firmware folder on my Mac (High Sierra v. 10.13.6). The filename is <058-97232-130.dmg>. There are a couple of other dmg ...
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2k views

Any proper list of Mac firmware versions (Boot ROM versions) and the corresponding macOS version?

Any proper list of Mac firmware versions (Boot ROM versions) and the corresponding macOS version? This can be useful if you receive a Mac with the storage damaged and the customer wants to have the ...
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655 views

MacBook Pro 15" Mid 2010 Update Firmware to read APFS hard drive?

Good day everyone, I have a 15" MacBook Pro Mid 2010. It's working well with the current hard drive (El Capitan). However when we swapped in our SSD (High Sierra) and booted, it gave the blinking ...
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1answer
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How can I correct dead Macbook Air camera sensor pixels BEFORE other applications use it?

My Macbook Air's camera has a handful of broken sensor pixels all clumped together near the middle of the image. They're dead -- always black. When I'm on a video conference or a Facetime, this tends ...
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392 views

PowerMac G5 stuck with full fan in OF, no boot devices

I'm working on a PowerMac9,1 (Late 2004 PowerMac G5 with single core) that refuses to recognize any external boot devices on the option/alt boot manager screen, including Debian and the Mac OS X ...
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877 views

Update Firmware SSD Samsung Evo 840 from a MacPro Late 2013

My SSD Samsung Evo 840 is getting slow and heat, so I'm trying to update its firmware from a MacPro Late 2013. I downloaded the ISO provided by Samsung (Samsung_SSD_840_Series_DXT09B0Q_Win_Mac), ...
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43 views

Set maximum fan speed

Is it possible to set the maximum computer fan speed on the latest Macs, ideally with Terminal? I understand this is a terrible idea as it will likely lead to hardware overheating and failing, but I'm ...
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1answer
2k views

OWC Aura SSD Firmware Update from Mac Recovery Terminal

I bought a 480GB OWC Aura SSD with a known compatibility issue for my Macbook Pro 15" (mid-2015) after my old SSD died. I installed the drive and partitioned it. It shows up when running diskutil list ...
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2answers
2k views

Is it possible to upgrade Mac Pro 2.1 to 5.1 firmware?

Is it possible to upgrade Mac Pro 2.1 to 5.1 firmware? Does it also make sense -- is the hardware different? Has it been done before?
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1answer
1k views

Stuck on Target Disk Mode due to Firmware Password

The MacBook Pro 2014 (macOS High Sierra, A1502) I’m using has a firmware password set. I tried to boot into target disk mode and it asks for this password even after turning it off/on. I tried many ...
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1answer
136 views

How to find the iOS version of a reset iPhone

I have an old iPhone I want to sell and I don't remember which iOS version is installed on it. I am currently presented with the "Hello" setup screen. So I can't determine which iOS version is ...
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How to update latest MacBook pro EFI firmware manually?

In short, the firmware cannot be updated either by upgrading macOS to High Sierra or by bless manually. Here comes the detail. My MacBook pro info: Attempt 1 - update it by updating macOS from 10.12....
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Stuck on grey screen after internet restore

My early 2011 MBP 15 stopped loading one day and is stuck on the grey screen when I start it up. I have changed the hard drive with a formatted one (that I did on my Mac Pro) to the journaled file ...
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1answer
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Please help me software brick (all data erase) my iPhone 5c in-hand

My screen is broken, but I can force DFU, which I did. In iTunes, I get "Cannot update software." The to restore I Download 10.3.3 firmware, error 14 cannot update. Any workaround that you can ...
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789 views

High Sierra firmware update details

I'm looking for a description of what the firmware update actually does. I have a MacPro (Desktop) 2010, and it's loaded with multiple drives, to be able to run every OS from Snow Leo to Sierra. ...
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Disk doesn't boot with firmware pass enabled (High Sierra)

I'm trying to enable firmware password protection on my Mac. According to HT204455 I can accomplish this by booting into Recovery Mode, enabling the Firmware password there, and then reboot normally. ...
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1answer
8k views

Applying Mac firmware updates manually

Recently an important change regarding Mac firmware installation was introduced. Apple does no longer provide up-to-date standalone firmware updaters. (Older firmwares are still available. (Note the ...
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1answer
934 views

Rollback possibility reg. MacPro5,1 firmware update (High Sierra)

I've read quite some posts reg. eficheck; in itself it doesn't seem too "worrying" (for security reasons it's probably quite useful, but that's a bit off-topic here) I found this very interesting ...