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

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42
votes
3answers
66k views

Can I install any iOS version I wish by picking and choosing which firmware to restore?

I'm trying to downgrade my iPhone 4s from iOS 7 to iOS 6.1.3 as per this question. But every time I try, I always receive this error: The iPhone could not be restored. This device isn't eligible ...
9
votes
2answers
550 views

How can the average user easily validate the integrity of their Mac's firmware?

How can the average user easily validate the integrity of their Mac's firmware? Before you downvote this question or lecture me on how I am paranoid and no one should ever need to do that, please ...
8
votes
1answer
1k views

Is there any way to manually bless firmware when main disk is external?

My iMac (mid 2010) keeps pestering me to upgrade my EFI firmware to 1.8. Sadly, no matter how many times I try to to upgrade the EFI (from the manual install, or the auto update), it does not seem to ...
6
votes
2answers
2k views

What's the 'unique device identifier' (UDID) of a non-iOS device like a Macbook Pro running Mac OS X?

I wanted to know if the Hardware Serial Number associated with a Macbook Pro is itself treated as a UDID, or is there something else that uniquely identifies the device? I'll provide a little bit ...
6
votes
5answers
7k views

Copy Crucial SSD Firmware Update ISO to Bootable USB

I want to start with the Crucial SSD Firmware Update and copy the ISO to a bootable Mac USB stick, using a minimal set of tools. I hope that means using only built-in Mac software, such as Disk ...
5
votes
2answers
10k views

How can I boot my MacBook Pro from a DVD to update my SSD firmware

I have a MacBook Pro 2.3 GHz Intel Core i7 (mid-2011 model) running OS X 10.8.2. I upgraded to an SSD which I bought from Crucial and works just great. Crucial sent an email recommending I upgrade ...
5
votes
2answers
13k views

Running custom software on an Airport Extreme base station?

Is it possible to run custom software on an Airport Extreme base station? I've read it has a MIPS processor inside. So, can one put some software compiled for MIPS (addtionally to the already present ...
4
votes
4answers
2k views

Is the flash storage firmware update 1.0 for my MBA installed? How can I verify it?

On May 16th 2013 Apple released the MacBook Air Flash Storage Firmware Update 1.0. Since I have experienced the described symptoms I really want this update. However, the Mac App Store will show ...
4
votes
2answers
404 views

Accidentally tried to set time to 1969 on iPhone 6 and crashed

I am currently using iOS 9.2. I've had my iPhone 6 for a year now and have never experienced such a crash. I am a novice coder and am aware of 32 bit time restraints. Being as curious as I am I was ...
4
votes
1answer
1k views

Trapped: MacBook always shuts down during EFI SMC Update 1.8. Can't boot. How to remove updater from boot routine?

MacBook Pro i7 Mid-2012 (MacBookPro9,2) running Mac OS X 10.8.5: Downloaded the "offered" EFI SMC Update 1.8 through the AppStore Updates. MacBook restarted, grey progress bar appears w/ spinning ...
3
votes
2answers
804 views

What does a vanilla jailbreak offer over a vanilla iOS firmware?

Based on my experience for the two minutes for which my device was jailbroken, I saw little difference between a jailbroken device and nonjailbroken device. All I noticed was a little Cydia icon. ...
3
votes
2answers
4k views

iOS and Firmware differences

Is the iOS operating system the same thing as the phone's firmware? Basically, when reinstalling the firmware (such as with DFU mode), are the system files being reinstalled, or something else? What ...
3
votes
2answers
6k views

Thunderbolt display firmware update 1.2 keeps reappearing, but is not compatible

I've got a problem with the Thunderbolt display firmware 1.2. My screen is not compatible, because it was purchased in 2012 and the update can not be performed. However, the update keeps reappearing ...
3
votes
3answers
634 views

Firmware Update 1.0 for MacBook Air 2012 Not Installing

The firmware update 1.0 for my MacBook Air (2012) is not installing. I do not have the disk encrypted and I have tried an SMC reset. I also let the mac sit for a minute after shutting down before ...
2
votes
1answer
996 views

Repeatedly asked to install firmware update 1.8

In the last few days I have seen the same update keep appearing in my App Store updates list. The details are: Software Update: MacBook Air SMC Firmware Update 1.8 "This update address a rare issue ...
2
votes
1answer
451 views

What does the “aapl,panic-info” output from “nvram -p” mean?

When I run nvram -p I get the following: $ nvram -p | cut -c1-30 aapl,panic-info %f0%b0;=F%8d%e BootCampHD %02%01%0c%00%d0A%03 boot-image %02%01%0c%00%d0A%03 SystemAudioVolume W The line with ...
2
votes
2answers
22k views

Do I have the latest firmware update for my Time Capsule? How can I force an upgrade of the firmware?

I am running the latest Maverick. Does anyone know how can I force an upgrade of my firmware?
2
votes
1answer
346 views

How to pesistently configure a Macmini4,1 to boot after power failure?

I do have a Macmini4,1 (2010) and I want to use it as a server so it will always start even after a power failure. Please remind that I am running Ubuntu on it, not OS X. Still, based on what I ...
2
votes
0answers
52 views

MacBook6,1 firmware problems

A friend of mine gave me his old MacBook6,1. While I was trying to format it and run some diagnostics, I noticed a few weird problems, which I think are due to a corrupted EFI firmware. Here's what I ...
2
votes
1answer
2k views

Understanding firmware.scap

So, I recently acquired an old MacbookPro (v.5,4 mid 2009). I decided to create an Arch linux partition, and thus began my adventure... While installing rEFInd (the maintained fork of rEFIt), I ended ...
1
vote
1answer
2k views

What is in an IPSW file?

I know that an IPSW is an iOS firmware restore file. When you want to install a beta firmware, Apple ships these. This website stores all old iOS versions in that format. What exactly is in an IPSW ...
1
vote
3answers
3k views

How can I install the newest EFI firmware upgrade from El Capitan?

I've got an early 2011 MacBook Pro (8,1) and I am trying to install the newest EFI firmware upgrade, however it only supports 10.8.5 and 10.9.5. Unfortunately I have no clue as to what the best ...
1
vote
4answers
88 views

Reinstalling clean system on faulty hardware? Suggestions

I have a faulty MBP 17' Late 2009. I can sell it for spares & repairs on ebay for quite a lot as I've found but it has a lot of sensitive data on it and I'd like to return it to a base system. ...
1
vote
1answer
8k views

Can you restore a phone with an old version of iOS if that phone was never upgraded?

I have a couple of iPhones running iOS 4 that I want to do a restore on. These phones have never been jailbroken, and I'm using the .ipsw that is the exact same version that's currently on the phone: ...
1
vote
1answer
40 views

In which part of iOS is the auto-erase feature implemented and how does it work?

I followed the Apple vs FBI case a bit, and I'm super curious how Apple implemented the auto-erase feature. Reading their documentation, it seems like it is as simple as erasing a key that is used to ...
1
vote
1answer
2k views

Does clean install reset everything, including SMC?

TL;DR: Does a clean install reset everything (like SMC, for example)? If not, what else should I do to be sure the computer is completely reset, like it just came from the factory? My macbook has ...
1
vote
2answers
2k views

Applying an old EFI update on a new version of OSX

I have El Capitan running on a MacMini 2010 that I use as a media player/server. The computer used to be my mother's and I have just noticed that she has never applied any of the firmware updates ...
1
vote
2answers
224 views

What can I do besides taking in Macbook to remove firmware password?

I have a MacBook Pro w/ Retina (2012 I believe) which has a firmware password which I don't know. Since it is a retina I can't use the remove RAM trick. If I go to reformat and reinstall the MBP will ...
1
vote
1answer
973 views

My CPU is running slow after a system restore (4x0.8 GHz). Turbo Boost is definitely not working. And how can I fix it?

Last weekend, my Macbok Air suffered a heart attack and I ended up doing several hard shutdowns due to an unresponsive system. In the end I had to do a full system restoration. Everything is working ...
1
vote
2answers
806 views

Downgrading an iPhone 4 from iOS 6 to iOS 5.1.1 using iTunes with a restore.ipsw file

Can I downgrade an iPhone 4 from iOS 6 to iOS 5.1.1 using iTunes if I have a 5.1.1 restore.ipsw file? I have watched this video on YouTube and was wondering if that works for downgrade. I dont need to ...
1
vote
1answer
16 views

How does apple's EFI compare to the UEFI standard?

Apple's EFI in macs were the first implementation of EFI by Intel but then Intel revised their work and made UEFI for PC's which is newer and possibly better. I wanted to know if Apple's EFI has been ...
1
vote
0answers
592 views

What is /Volumes/firmwaresyncd?

I keep seeing this in my logs: > 10/5/15 3:45:16.532 AM deleted[366]: normalizeUserMountpoint:738 > volRoot failed for /Volumes/firmwaresyncd.G3PNKw What is it? Is it related to the firmware ...
1
vote
2answers
2k views

How to upgrade Mac Pro firmware?

So I'm buying a used Mac Pro 1.1 next month. It has an original dual Intel Xenon dual-core CPUs, and I'm aiming to upgrade it to Intel Xenon X5355s and I already bought them. I've read a lot about it ...
1
vote
1answer
115 views

Completely reinstall everything on the Mac

Let's say that I am paranoid and I want not only to wipe and reinstall OS X, but also recovery, SMC, firmware and everything in the Mac hardware that could have been infected with malware. Is there ...
1
vote
1answer
494 views

MacBook Pro only boots to grey Apple screen with spinning loader

My MacBook Pro boots to the hated gray screen. Things I have tried to fix this include: Booting with CMD-R (boots to a grey screen) Resetting the PRAM (boots to a grey screen) Resetting SMC (boots ...
1
vote
1answer
521 views

Firmware settings

I want to open the firmware settings. I have a Mac book Pro end 2011 and yosemite. When i press Option+Cmd+O+F while booting nothing happens, it continues to boot. What do i have to do? Background: ...
1
vote
1answer
302 views

How to get rid of iOS 7.x (downloaded but not installed) from 6.x

As I've pointed it out in the question title, my 16 GiB iPhone 4s is getting out of memory due to the fact that it has self-downloaded iOS 7(.1.2) without I'd never asked for. As long as it weights ...
1
vote
1answer
302 views

Force a read-only mount of startup disk

I want to create a MacOS recovery startup disk on a USB flash drive. In order to maintain the integrity of the drive's contents (and, perhaps more importantly, reduce write wear on the flash drive ...
1
vote
1answer
958 views

Can't update boot ROM firmware on iMac Late 2006

I want to use Boot Camp on my 17 inch iMac Late 2006, but whenever I open it, it tells me that I need to update my Boot ROM firmware to use the assistant. So I downloaded the latest Boot ROM from ...
1
vote
0answers
302 views

Impossible install Mac OSX, probably firmware damaged

Yesterday evening I install update on my MacBook Unibody (Version 6,1; Late 2009). The update run on Mac OS X 10.8.5 consist in security update and new version of Safari and iTunes. The update is run ...
1
vote
0answers
579 views

Amongst Macs that can be upgraded to support OS X Recovery, can any model *not* accept a firmware downgrade?

Focusing on computers that can be upgraded to use OS X Internet Recovery: is there any Mac on which firmware can not be downgraded? I see that for at least one type of MacBook Pro, firmware can ...
1
vote
0answers
565 views

How to break away from LaCie Big Disk Extreme firmware, for its two disks to appear as two instead of one?

Question How can I reconfigure a LaCie Big Disk Extreme so that Mountain Lion will see both of its disks? Background Once, years ago, I accidentally did something bad to a LaCie device. Where ...
0
votes
1answer
73 views

Mac Pro 4,1 CPU upgrade

I own a Mac Pro 4,1 (single socket) with a Nehalem Quad-Core CPU. I'd like to upgrade it with a six-core Westmere processor. Now, what I have to do prior to installation of the Westmere processor? ...
0
votes
3answers
7k views

Is it possible to make a bootable USB stick for a Macbook Pro to do firmware update?

I know there are some possible duplicates. But the questions are not solved. Such as: Copy Crucial SSD Firmware Update ISO to Bootable USB I am trying to upgrade the firmware of my SSD (crucial m500) ...
0
votes
1answer
165 views

Updating SSD firmware in old Macbooks

I'm upgrading the HDD in a MacBook7,1 (the white 13" unibody one) to a SSD. I read somewhere that it's important to be able to update SSD firmware, but that some SSD makers don't offer update ...
0
votes
1answer
285 views

Folder with Question Mark On Startup, Don't Know the Firmware Password

So my buddy's macbook one day just booted up with a folder with a question mark in it. Its an old laptop from work, which he doesn't work at anymore. I've been trying to help him out, but I've ...
0
votes
1answer
1k views

MacBook Pro (2011) bricked after firmware 1.7 update

I allowed AppStore to apply the newest firmware update to my MacBook Pro, which seemed to work fine, until the final restart. At this point, the machine just shut down. I waited for quite a while, ...
0
votes
1answer
228 views

I saved my iOS 5 SHSH with TinyUmbrella, and now I have 4.1 SHSH too?

I launched "Save SHSH" from TinyUmbrella (for the first time ever), and now in Saved SHSHs for iPod Touch list i get iPod 3G 4.1 Does this mean I can downgrade to iOS 4.1? How is this possible, I ...
0
votes
1answer
22 views

Boot MacMini (2014) from USB

Here is the problem. A long time ago, I set my Mac Mini to dual boot (using Bootcamp, but with some third-party repartitioning). I proceeded to install rEFInd, and eventually, to triple-boot. To ...
0
votes
0answers
21 views

iPhone 5 in tough situation(Please read and help)

I purchased an second hand iPhone 5 from a dealer several months ago , its iPhone 5 A149(Global) model 16GB. It's acting weird from the date of purchase , having several issues like 1. Time and Date ...