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

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39
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3answers
63k 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 ...
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: ...
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 ...
1
vote
0answers
555 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 ...
4
votes
2answers
363 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 ...
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 ...
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 ...
1
vote
2answers
1k 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 ...
0
votes
1answer
129 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 ...