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03-26-2012, 01:50 PM   #1
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Upgrade K-x firmware

I have just successfully upgraded my K-x from version 1.00 to the latest version of firmware 1.03. By following the instructions in the readme file the firmware bin file comes with I have an up to date camera instead of an expensive novelty paper weight.
I was for, want of a better word, "bricking" it as it did its thing but thankfully it did exactly what the instructions said it would do. I have yet to see what, apart from better battery usage facilities, the upgrade gives me. perhaps someone in the know could be good enough to let us what differences there are. many thanks in advance my fellow Pentaxians.

03-26-2012, 03:29 PM   #2
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1.02 added the ability to use SDXC cards, 1.03 fixed a bug with SDXC cards that only some users experienced.
03-26-2012, 04:11 PM   #3
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As you note, the jump from v1.00 mainly just improved battery metering, something that a lot of K-x users (mainly those who weren't using glorious Eneloops) reported problems with.
03-26-2012, 04:14 PM   #4
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Enjoy your K-x, its a very sweet little camera.

03-27-2012, 06:15 AM   #5
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Thanks everybody, I am pleased I did the upgrade but I find myself thinking "Did I need to?" The battery usage display is improved, but I hadn't realised it was bad in the first place and I can use the new whizz bang super huge memory cards.
I read somewhere that there are different/enhanced/more capture modes. Does anybody know if this is true or if I'm going prematurely senile!!!
03-27-2012, 06:23 AM   #6
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I had 1.02 or whatever number before the last firmware and did not update it. i don't use SDXC, so no point in doing the update.
03-27-2012, 09:20 AM   #7
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QuoteOriginally posted by Drew Hillier Quote
I am pleased I did the upgrade but I find myself thinking "Did I need to?"
If you started from V1.00 then the simple answer is 'Yes'
03-27-2012, 09:26 AM   #8
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QuoteOriginally posted by StepOne Quote
I had 1.02 or whatever number before the last firmware and did not update it. i don't use SDXC, so no point in doing the update.
It's pretty common practice for Pentax to include a few things in each upgrade to the firmware that they do not publicly announce. So, you probably got some tweaks to the K-x's performance that you were not aware of but helped. The same probably holds true for v1.03 and its been out for some time without any concerns expressed about problems, so why not upgrade?

03-29-2012, 12:41 AM   #9
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QuoteOriginally posted by Docrwm Quote
It's pretty common practice for Pentax to include a few things in each upgrade to the firmware that they do not publicly announce. So, you probably got some tweaks to the K-x's performance that you were not aware of but helped. The same probably holds true for v1.03 and its been out for some time without any concerns expressed about problems, so why not upgrade?
i haven't seen anybody to say that something was improved after the last firmware, so why upgrade? For each upgrade there is a 0,0000..X% (at least) chance that something will go wrong.
06-26-2015, 09:53 PM   #10
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K-x firmware flash with video

Bought a K-x "as-is" for repair and found it still had the 1.00 firmware on it. I did notice the battery indicator showed red on my fresh Ni-Mh batteries (tested prior to flash) and after the upgrade the battery indicator showed a 2/3 charge. Total time for update on a class? card was 20 seconds for stage 1/2 and 55 seconds for stage 2/2.
06-27-2015, 04:48 AM   #11
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As I recall, you get to choose the cross processing effect, instead of it being random.
02-27-2019, 09:31 AM   #12
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Pentax K-x Upgrade to firmware v1.03



Pentax K-x Update firmware

Upgrade to firmware v1.03


Filmed with Sony HDR-CX410VE 1920 1080 50p 28Mbit

Insert new batteries

format a sd card and copy the firmware version pentax K-x 1.03

insert the sd card to the camera

hold the menu button and turn on the camera

in the menu select YES

firmware update 1/2 2/2
don't do anythhing to the camera and
when complete

turn off the camera

you have installed the last firmware

Last edited by BigMackCam; 02-27-2019 at 10:39 AM.
02-27-2019, 09:23 PM   #13
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Is 1.03 new?
02-28-2019, 05:05 AM   #14
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QuoteOriginally posted by pishta Quote
Is 1.03 new?
It's the latest firmware

i have done the update yesterday

First impressions
there was a problem with SDHC card (was saving black photos after taking 10 15 photos)
and NIMH battery now work for longer time

Last edited by wwwsnngr; 02-28-2019 at 05:18 AM.
02-28-2019, 07:35 PM   #15
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Ok, 1.03 is about 3 years old. My issue was the NiMH battery meter also, resolved it.
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