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MacBook Pro SMC Firmware Updater addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.

What's New

Version 1.8:
  • This update is recommended for MacBook Pro (mid 2012) models.
  • This update addresses rare issues where the battery unexpectedly stops functioning or the system hangs when the battery charge reaches less than one percent.


  • OS X 10.6.8 or later
  • MacBook Pro (mid 2012) models

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MacBook Pro SMC Firmware Updater User Discussion

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Jimblue Member IconComment+337

This update -- SMC Firmware Updater 1.7 -- is showing up in software update for me and I have a MacBookPro8,3 (17-inch, Late 2011). I wonder what gives?

Boot ROM Version: MBP81.0047.B27
SMC Version (system): 1.70f5

Mac OS X Lion 10.7.5 (11G63)

Reply0 replies
Version 1.7
Osos10 Member IconComment+139

All is fine here. Just ran the firmware on my early 2011 15" MPB. After installation the computer restarted, the fans worked for about 30 seconds at full speed, then a second restart, and thats it.

Reply1 reply
Version 1.7

No issues here either. MBP 8.3 (early 2011 17")

Neo979 Member IconComment+80

It might be helpful to word the description as something like "For SOME mid-2010 and early-2011 MacBook Pros." I know I should have read the fine print more carefully, but I have an early-2011 MacBook Pro, and I was initially baffled why I couldn't find the update. (It doesn't apply to 13-inch models.)

Reply0 replies
Version 1.7
Endorphinity Member IconComment+45

My MBP 9,1 (mid-2012) isn't affected, i.e., SU says there are no updates.

Reply1 reply
Version 1.6

Cool story, bro.

Flinx Member IconComment+14

Despite no model indication from Apple, only applies for MacBook Pro from 2010 and 2011.

Reply1 reply
Version 1.6

Agree with Misha: my mid-2010 #17 isn't supported either.

Misha Member IconComment+1785

Apple doesn't say, but I think this is only for the most recent MacBook Pros.

It's not supported (not for) my mid-2010 17".

Reply4 replies
Version 1.5

It just showed up in Software Update on my early 2011 MacBook Pro 17" 2.2Ghz Core i7.

Is it just my MBP or do the new AMD Radeon HD 6750M video cards create a LOT more fan noise than the video cards in my two previous non-unibody Core Duo and Core 2 Duo MBP 17"s?

Almost every time a Flash video is played the fan kicks on making a LOT of noise... VERY annoying especially since this MBP is otherwise almost completely silent since it has an OWC 240GB SandForce SSD


Brokerdon, it might just be Flash itself. I noticed that after updating to a newer version of Flash some time ago that it made my fans kick on for Flash video when it didn't do it as much before. It might just be an Adobe screwup.

Fortunately, Flash video is mostly dead and I use html5 video in most cases so it's not much of an issue, but I do resent Adobe for making Flash downgrade in an "upgrade".

YMMV, of course.


... and not even for late 2011 MBP 17"


Oops. Misha's comment is from two years ago. But the new 1.6 does _not_ support mid-2010 17", so I guess I'm modifying what Flinx says now. :-)

Reegor Member IconComment+13

The 1.3 SMC update has an unclear effect on temperatures. (It brings me up to version 1.27f2 - go figure.) I was running up to 83C or slightly higher according to iStat, under moderate to heavy load. (The load was an external monitor streaming Netflix, Wi-Fi running at 150 KBps, and several applications. This does not seem like a heavy load to me, but I guess decoding a movie takes work.)

Tonight, I went up to 83 without even any streaming (but with an external monitor). But after a few minutes it has settled down to between 72 and 76.

Here's my complete temperature list for comparison. First number is first reading; second is 10 minutes after startup.
CPU A 82 / 71
Airport Card 51 /52
Battery 30 / 30
Enclosure Bottom 33 / 34
GPU Diode 82 / 79
GPU Heatsink 68 / 65
Heatsink A 62 /61
Heatsink B 46 /45
Memory Controller 52 /51
Hitachi Drive 21 /21

Reply0 replies
Version 1.3
Felix01 Member IconComment+59

To reiterate, not for unibody MBPs.

Reply0 replies
Version 1.3
Yoxi Member IconComment+54

Not for late 2006 MBP's either.

Reply0 replies
Version 1.3
suckerpunch86 Member IconComment+15

Is this meant only for the unibody models?

Reply3 replies
Version 1.3

No. It was offfered by Software update for my MBP early 2008.


Actually for my unibody, it doesn't work. It doesn't show up in Software Update. If I run the downloaded installer, it says it's not needed for my model.

So this must be meant for older MacBook Pros, like the previous reply stated.


I also have the Unibody MacBook Pro, April 2009 and this firmware update doesn't appear in my Software Update. I'm running 10.5.7.

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Current Version (1.x)


Downloads 7,160
Version Downloads 375
Type Utilities / System
License Updater
Date 03 Oct 2013
Platform OS X / Intel 32
Price Free
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