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Old 05-31-2015, 04:29 AM   #1
tamr
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How to find firmware version from shell prompt

Hi,

I have a K3W.

I know how to find the firmware version when my Kindle is in its normal "reader" mode by going to Home->Menu->Settings. What shows up there is 3.4.1 (2540470001) so I know I have the latest version.

How do I find the same info via a shell session?

I've looked at /proc/cpuinfo, uname, and dmesg but don't see it there.
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Old 05-31-2015, 05:23 AM   #2
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you can look at the source code of the jailbreak.
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Old 05-31-2015, 07:34 AM   #3
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you could also look at /etc/version and /etc/pretty-version
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Old 05-31-2015, 10:39 PM   #4
tamr
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Thank you both for your replies.

Here's what I get:

Code:
[root@kindle /etc]# cat prettyversion.txt
Kindle 3.4.1 (~~otaVersion~~)

[root@kindle /etc]# cat version.txt
System Software Version: 001-S401_luigi-254047
Tue Nov 25 18:48:40 UTC 2014
[root@kindle /etc]#
The odd thing is that Settings shows three zeroes: ...70001. But it's close enough.
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Old 05-31-2015, 10:52 PM   #5
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@tamr:

A-B-C -> C0A

(Where A & C are [:digit:] and B is [[:alnum:]_])

(Don't ask me why ;D)

[Caveat: Mostly holds true. May not always hold on some weird device/firmware/main/diags builds].

We generally don't give a crap about OTA build numbers, and a far safer method to get it is to check the headers (OTA target) of the update package for said version.

Code:
kindletool convert -i ~/Downloads/Update_kindle_3.4.1_B006.bin                                                                                                                                                                        ──(Sun, May 31)─┘
Checking update package '/home/niluje/Downloads/Update_kindle_3.4.1_B006.bin'.
Bundle         FC02 (OTA [ota])
Bundle Type    OTA V1
MD5 Hash       9c54f5a191974f0eab5908f89c4ebd45
Minimum OTA    1725970040
Target OTA     2540470001
Device         Kindle 3 Wifi+3G
Optional       0
Padding Byte   186 (0xBA)

Last edited by NiLuJe; 05-31-2015 at 11:02 PM.
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Old 06-01-2015, 11:08 PM   #6
tamr
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Thanks @NiLuJe, I'll add this to my notes on how to get the build version.
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