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Old 01-07-2012, 05:40 PM   #1
karl_k
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Kindle4 NT prevent OTA update ?

Hi !

I got my kindle4 nt for christmas. It currently is on Firmware 4.0. I have not yet registered it with amazon.

I want to use the diagmode - root access to do a screensaver hack, so i wonder if that would still work once i register my kindle with amazon and they push a firmware update to the device ?

Is there a way to prevent firmware updates ? Should one do that ?
I presume a firmware update will remove the root-access right ?
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Old 01-09-2012, 04:43 PM   #2
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Intresting question here since i almost got a heartatack when i saw my (gifted) old k3 jailbreak update after i rebootet it randomly.

would be much apriciated to get info how to turn of ota update für k 3, k4nt & k4t
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Old 01-12-2012, 04:29 PM   #3
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bump

OTA Updates are scary
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Old 01-13-2012, 05:24 AM   #4
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The current firmware 4.0.1 is still easily hackable on the K4NT.

I don't think the K4NT does OTA updates anyway. I had to manually put the firmware file in the root directory and initiate the update on mine.
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Old 01-15-2012, 01:45 PM   #5
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well my old keyboard did a ota update wich scared me so i asumed that the kindle 4 nt and kindle touch will also do ota updates, or am i totaly wrong about that? if yes why the hell did my kindle keyboard update itself
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Old 03-15-2012, 07:18 PM   #6
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Any news on this subject?
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Old 03-15-2012, 10:02 PM   #7
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Quote:
Originally Posted by karl_k View Post
Hi !

I got my kindle4 nt for christmas. It currently is on Firmware 4.0. I have not yet registered it with amazon.

I want to use the diagmode - root access to do a screensaver hack, so i wonder if that would still work once i register my kindle with amazon and they push a firmware update to the device ?

Is there a way to prevent firmware updates ? Should one do that ?
I presume a firmware update will remove the root-access right ?
Did you follow this thread (it's for Touch).
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Old 03-15-2012, 10:25 PM   #8
aleq
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I did but unless I'm doing something terribly wrong, I don't see /etc/upstart directory at all. I'll check the rest of /etc scripts however to see if they do implement it differently.
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Old 03-15-2012, 10:29 PM   #9
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Quote:
Originally Posted by aleq View Post
I did but unless I'm doing something terribly wrong, I don't see /etc/upstart directory at all. I'll check the rest of /etc scripts however to see if they do implement it differently.
Oh my bad! Kindles prior to K5 don't use upstart...
suggestion: issue this command:
find / -iname '*otaupdate*'

and play with it yourself. I don't have K4NT, otherwise I could help you.
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Old 03-15-2012, 10:39 PM   #10
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This is almost exactly what I did :-) I tried
Code:
find /etc -name '*ota*'
with no luck.
I tried yours, -iname is not supported, with find
Code:
find / -name '*ota*'
I get only (I have removed items not related to update like ....annotations.gif from the list):
Code:
/mnt/rwfs/var/tmp/_otaupexec
/usr/sbin/otaup
/var/tmp/_otaupexec
Thanks for any tips even though you don't have K4NT
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