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Old 08-17-2016, 03:47 PM   #16
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Old 08-17-2016, 07:33 PM   #17
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Quote:
Originally Posted by Cinisajoy View Post
What I was thinking was
Contact Amazon and say I accidentally set parental controls. How do I turn them off?
OK, my small contribution to the community is to report what Amazon said. After 20 min on the phone the Amazon representative (he sounded knowledgeable) confirmed the Paperwhite (and I would assume other Kindle e-Readers) can only have that password removed by Resetting the device (either by turning off all restrictions (if you know the PC password) or entering the Parental Control password of 111222777 (if you forgot the pw)). There is no special password you can enter to turn off the PC pw.

As a point of clarification for the jailbreak and it's instructions, technically speaking, if the Parental Controls password has been set there is no way to turn it off without a device reset. Restrictions can be turned off but not the PC password.

My suggestion: if you want to disable the Reset Device menu item by setting a Parental Controls password, re-enter the password in the Hint so you at least don't forget it.



Oh-maybe @NiLuJe has found the file that can be deleted?
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Old 08-17-2016, 07:40 PM   #18
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Thanks.
This lets us know that we need to put reset first if the device has parental controls before doing the jailbreak.
Thanks again.
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Old 08-17-2016, 07:54 PM   #19
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Quote:
Originally Posted by picree View Post
OK, my small contribution to the community is to report what Amazon said. After 20 min on the phone the Amazon representative (he sounded knowledgeable) confirmed the Paperwhite (and I would assume other Kindle e-Readers) can only have that password removed by Resetting the device (either by turning off all restrictions (if you know the PC password) or entering the Parental Control password of 111222777 (if you forgot the pw)). There is no special password you can enter to turn off the PC pw.
- - - - -
Step #2 spoiler -
The first actual change to the device is a 'Reset'

But I'll work in a note there of the above information for the people who have forgotten their passcode.

- - - - -

Knowing what file to delete will not help with a device that is not jail broken.
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Old 08-17-2016, 08:03 PM   #20
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Knowing what file to delete will not help with a device that is not jail broken.
No, of course not. I just want to know so I can remove the PC pw from my device while hacking around. Because, I would feel better hacking around, and updating jailbreaks and bridges and such on a device without a PC pw enforced (who knows what bits are set when it is enabled) then enabling the PC pw when everything is setup so there is no chance of an inadvertent reset. I don't know the OS the way you all do but that seems to make good sense.
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Old 08-17-2016, 08:22 PM   #21
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No, of course not. I just want to know so I can remove the PC pw from my device while hacking around. Because, I would feel better hacking around, and updating jailbreaks and bridges and such on a device without a PC pw enforced (who knows what bits are set when it is enabled) then enabling the PC pw when everything is setup so there is no chance of an inadvertent reset. I don't know the OS the way you all do but that seems to make good sense.
Enabling PC disables the export of the USB file system.

With systems that do not fully boot properly, the short time the USB file system is accessible (a second or two) during the boot sequence is your only chance of escaping from the 'bad boot'.

So - if you have any of the special controls set, not only can you not 'reset' the device, you can't rescue it over the USB port.

Your only recourse in that situation is to do the recovery over the serial port.
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Old 08-17-2016, 08:51 PM   #22
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Wait, what? Parental Controls totally disables the userstore access, forever?

That doesn't sound very smart...
Last edited by eschwartz; 08-17-2016 at 09:04 PM.
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Old 08-17-2016, 08:57 PM   #23
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Quote:
Originally Posted by knc1 View Post
Enabling PC disables the export of the USB file system.

With systems that do not fully boot properly, the short time the USB file system is accessible (a second or two) during the boot sequence is your only chance of escaping from the 'bad boot'.

So - if you have any of the special controls set, not only can you not 'reset' the device, you can't rescue it over the USB port.

Your only recourse in that situation is to do the recovery over the serial port.
Hmmm. Just last night i was able to SSH as root into the Kindle in /var/local to browse the file system looking for the file @NiLuJe mentioned with the Parental Controls password enabled. Is that what you mean or is there another file system you are referring to? I have had a PC pw on for a while with and without restrictions set and never had a problem with SSH.

Note: if all four items under restrictions are enabled (Cloud, browser, good reads, free time), and by that I mean you don't restrict their functionality, you will have disabled RESTRICTIONS but the Parental Controls password is still ENABLED. With the restrictions disabled the Reset Device menu item is again accessible from the menu and no longer grayed out. I did not try it of course but I think it is possible to Reset Device with the PC pw enabled.

So there is a subtle difference between enabling the Parental Controls password and enabling Restrictions. It's of little matter to me but it could be of interest to you and the community who are developing software to jailbreak and such. A device with no Restrictions but with an enabled PC pw might behave in unusual ways don't you think?
Last edited by picree; 08-17-2016 at 09:00 PM.
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Old 08-17-2016, 09:24 PM   #24
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This is what I am writing about:
https://www.mobileread.com/forums/sho...=factory+reset
That wipes /var/local and /mnt/us
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Old 08-18-2016, 06:46 AM   #25
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Quote:
Originally Posted by knc1 View Post
This is what I am writing about:
https://www.mobileread.com/forums/sho...=factory+reset
That wipes /var/local and /mnt/us
Unless I missed it that thread didn't say anything about the Parental Control password did it?
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Old 08-18-2016, 07:55 AM   #26
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Unless I missed it that thread didn't say anything about the Parental Control password did it?
No, but you did, you wrote that it was on /var/local
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Old 08-18-2016, 09:47 PM   #27
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Quote:
Originally Posted by knc1 View Post
Enabling PC disables the export of the USB file system.

.....

So - if you have any of the special controls set, not only can you not 'reset' the device, you can't rescue it over the USB port.
This thread is getting confusing.

Quote:
Originally Posted by eschwartz View Post
Wait, what? Parental Controls totally disables the userstore access, forever?

That doesn't sound very smart...
My confusion (and that of @eschwartz I think) is that we both were thrown off by what we thought @knc1 implied. Namely that turning on Parental Controls restricts access over USB. I am not an expert but I have not seen that. The concern I was pointing out regarding Parental Controls is that there is no sanctioned way to disable them and even after turning off all four restrictions the Parental Controls still shows as enabled. Regarding jailbreaks that could be a latent issue in some circumstances.

And I was also noting that No Restrictions does not equal No Parental Controls (since they don't appear to be disable-able once enabled...unless you reset the device, blah, blah, blah).
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Old 08-18-2016, 10:48 PM   #28
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Quote:
Originally Posted by picree View Post
- - - -
My confusion (and that of @eschwartz I think) is that we both were thrown off by what we thought @knc1 implied. Namely that turning on Parental Controls restricts access over USB.
- - - -
Which certainly makes no sense once you discard the technical qualification I put on it :
"for a short time during the boot process ..."
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