I have the possibility of buying a hdx on Craigslist for cheap that is listed as broken. But the error they get on booting the device is that it wants him to type in a password to decrypt storage. I have seen this issue searching Google but everyone says to factory reset, can you do that without being able to boot into android by holding various button combos like other Android phones? Or I think I can root it to fix it? From reading if the device at least powers on this is likely possible.
The owner has given up on it it seems and I can score it cheap but wanted your input if this is a known issue that can't be fixed, like if he failed to root it and is now trying to pawn it off.
arsenic0 said:
I have the possibility of buying a hdx on Craigslist for cheap that is listed as broken. But the error they get on booting the device is that it wants him to type in a password to decrypt storage. I have seen this issue searching Google but everyone says to factory reset, can you do that without being able to boot into android by holding various button combos like other Android phones? Or I think I can root it to fix it? From reading if the device at least powers on this is likely possible.
The owner has given up on it it seems and I can score it cheap but wanted your input if this is a known issue that can't be fixed, like if he failed to root it and is now trying to pawn it off.
Click to expand...
Click to collapse
power + vol up to boot to recovery
if you can get one for cheap there a pretty good tablet, and if you can get one with lower firmware the better.
i have same issue with you. my kindle ask password to decrypt the device. i already tried to recover by holds uppower button + volume up but didn;t change anything. i don't know what to do
almost the same problem
I have the same boot encryption problem but i am the original owner of my HD 6
I've managed to enter safe mode on my device but this doesn't bypass boot encyption.
I'm waiting for a reply from amazon.
I'll post back when i do
---------- Post added at 06:45 PM ---------- Previous post was at 06:15 PM ----------
amazon tech support helped with the problem.
you can factory reset by turning the device off and pressing on and volume up(booting to recovery mode)(only hold for 4 seconds)
the controls in recovery mode are as follows:
up/down = vol up/vol down
enter = power button(tap once)
this will wipe the device and send you back to first setup.
apparently any further info about this is to be sent directly to tech support on +44 203 356 6212 or to call using amazon.co.uk/clicktocall and request amazon tech support
I am getting a boot password prompt every time I boot the device, I did factory reset twice, and it still does not help, still getting a big lock on the screen and request for a boot password
Any help will be appreciated
[email protected] said:
I am getting a boot password prompt every time I boot the device, I did factory reset twice, and it still does not help, still getting a big lock on the screen and request for a boot password
Any help will be appreciated
Click to expand...
Click to collapse
There is no recovery from this type of block if you don't know or have forgotten the password. You can reach out to Amazon to see if they have a code that will reset the device (unlikely).
Davey126 said:
There is no recovery from this type of block if you don't know or have forgotten the password. You can reach out to Amazon to see if they have a code that will reset the device (unlikely).
Click to expand...
Click to collapse
Thanks for the suggestion, I already reached out to Amazon 3 times. They have no idea, keep telling me Kindles do not have boot passwords
I never set it, and as I mentioned previously I did factory reset on the kindle. At this point this reset was performed 3 times, when the device boots I keep getting this boot password request
[email protected] said:
Thanks for the suggestion, I already reached out to Amazon 3 times. They have no idea, keep telling me Kindles do not have boot passwords
I never set it, and as I mentioned previously I did factory reset on the kindle. At this point this reset was performed 3 times, when the device boots I keep getting this boot password request
Click to expand...
Click to collapse
Like most Android devices Kindles (FireOS) can encrypt the data partition which presents a password prompt upon power-up. According to Amazon a factory reset should wipe the device and thus remove the password. Either that is not working for you or the device has been 'locked' by some other app or potentially malware. You may want to post a picture of the screen you are receiving. Someone may recognize it and be able to provide further guidance.
Davey126 said:
There is no recovery from this type of block if you don't know or have forgotten the password. You can reach out to Amazon to see if they have a code that will reset the device (unlikely).
Click to expand...
Click to collapse
Amazon are telling me now my Kindle was rooted, even though I explain that it was never connected to any network, and no apps were installed on it, just copied some book files from my PC using a USB cable. That's it. Isn't there some kind of re-format, other than reset to factory settings?
[email protected] said:
Amazon are telling me now my Kindle was rooted, even though I explain that it was never connected to any network, and no apps were installed on it, just copied some book files from my PC using a USB cable. That's it. Isn't there some kind of re-format, other than reset to factory settings?
Click to expand...
Click to collapse
If 'reset to factory' did not work then I'm afraid you are out of luck unless you can convince Amazon to offer an exchange. The device may have been rooted if purchased from a 3rd party. That does not explain why it suddenly 'locked' nor what tool/app is throwing up the password prompt.
Davey126 said:
If 'reset to factory' did not work then I'm afraid you are out of luck unless you can convince Amazon to offer an exchange. The device may have been rooted if purchased from a 3rd party. That does not explain why it suddenly 'locked' nor what tool/app is throwing up the password prompt.
Click to expand...
Click to collapse
The device was bought from Amazon, not a 3rd party, and it was working fine until my mom let it sit for several months without charging. Which should not have been a problem, but facts sho otherwise
[email protected] said:
The device was bought from Amazon, not a 3rd party, and it was working fine until my mom let it sit for several months without charging. Which should not have been a problem, but facts sho otherwise
Click to expand...
Click to collapse
You should pound on Amazon for a replacement - especially since they falsely accused you of having a rooted device (how do they know that?). I'm guessing the device may have received an 'over-the-air' upgrade while it was sitting idle but perhaps lacked sufficient charge to complete the update. Or the upgrade just went bad; rare but it happens.
Sorry this happened to your mom. Also regret there is not a (reasonable) way to recover the device and/or its contents.
Davey126 said:
You should pound on Amazon for a replacement - especially since they falsely accused you of having a rooted device (how do they know that?). I'm guessing the device may have received an 'over-the-air' upgrade while it was sitting idle but perhaps lacked sufficient charge to complete the update. Or the upgrade just went bad; rare but it happens.
Sorry this happened to your mom. Also regret there is not a (reasonable) way to recover the device and/or its contents.
Click to expand...
Click to collapse
Thanks for trying
I think it will be cheaper to buy a new kindle, new warranty, new features, etc.
Hi, all..
As is probably known, before fastboot commands on the Nexus 9 will work, two things are required...
First, this option, in Developer Options, needs to he checked box ticked...
** Enable OEM Unlock **
...followed by... (with the device booted into it's bootloader)...
Code:
fastboot oem unlock
------
UNDER ABSOLUTELY NO CIRCUMSTANCEs SHOULD THIS PROCEDURE BE REVERSED.... unless you're running 100% stock.
It will very likely cause your Nexus 9 to be become permanently semi-bricked.
The device will boot, and it will charge... However IF YOU CAN'T BOOT ANDROID, AND RE-ENABLE. the ** Enable OEM Unlock ** option in Developer Setting's, then...
Code:
fastboot oem unlock
...will fail.
And you won't even be able to fastboot flash back to factory stock.
You can't even remotely boot a recovery, with...
Code:
fastboot boot recovery
...as this too, also requires an unlocked bootloader.
I know; I've tried.
-----
And this is my current predicament... My Nexus 9 now constantly bootloops into TWRP, with this message, at the top of the screen...
This is a development device not intended for production use..
Bootloader is locked, and I can't unlock it because I can't boot Android in order to set ** Enable OEM Unlock ** in developer options.
Unless anybody has any suggestions, my Nexus 9 is now pretty much useless.
Rgrds,
Ged.
OK.. Anybody know what the setting **Enable OEM Unlock** in Developer Options actually sets.
What flag it sets?
In terms of the underlying operating system, this MUST JUST FLIP some binary state flag, such that...
Code:
fastboot oem unlock
...now works.
There's gotta be some ADB command that will re-enable this, in the absence of a bootable version of Android.
Or some terminal command like a (dd=if>of command).
----
I've been at this for now, for 12 f**king hours...
I've tried everything I know.
At one point, TWRP, didn't bootloop and booted properly. But it was a pyrrhic victory, 'cos I had nothing on the device to restore. That was four hours ago... since then TWRP just bootloops endlessly.
I suspect that when., via the bootloader, I select the FACTORY RESET option, it's looking for the stock recovery... and which of course it doesn't find.... because TWRP is installed.
Indeed, I also suspect because Lollipop now runs encrypted, there are issues with mounting the data partition.
----
Well, I guess, my Nexus 9 is pretty much screwed, I think...
It'll make a nice Christmas decoration though.. It actually lights up!!!))). It's not THAT bricked. It still lights up..
----
In conclusion..
...and for guidance for others...
***
After rooting, and fastboot flashing TWRP...
--do not relock the bootloader.--
--do not disable. ** Enable OEM Unlock ** in Developer Options--
***
If you do both, and Android won't boot, your Nexus 9 is f**cked!!
You won't be able to flash anything; not even with a a toolkit like Wugs. I've tried.
Rgrds,
Ged.
Wow, really sorry to hear about your device! Maybe somebody here can come up with a fix for you...
Thanks for giving the rest of us a heads up!
Sent from my XT1053 using Tapatalk
@GedBlake
If you have time I'm willing to help you out, I've been testing some things and may be able to help, just let me know
Don't worry! Will let demkantor help you. Have you tried fastboot erase recovery and flash stock?
MRobbo80 said:
Don't worry! Will let demkantor help you. Have you tried fastboot erase recovery and flash stock?
Click to expand...
Click to collapse
He can't fastboot because his boot loader is locked. He can't unlock boot loader because he can't check that box. I knew this was gonna be problems as soon as I saw this setting. I guess I get what google was going for, but I still don't like it.
A nexus device should be able to recover from anything short of a hand grenade, for something this simple to semi brick a nexus is ridiculous.
Op, i taje it you can get to an adb shell? Or can you not even access recovery?
di11igaf said:
He can't fastboot because his boot loader is locked. He can't unlock boot loader because he can't check that box. I knew this was gonna be problems as soon as I saw this setting. I guess I get what google was going for, but I still don't like it.
A nexus device should be able to recover from anything short of a hand grenade, for something this simple to semi brick a nexus is ridiculous.
Op, i taje it you can get to an adb shell? Or can you not even access recovery?
Click to expand...
Click to collapse
Hi, di11igaf...
Thanks for your response... And apologies for my late response. I took a few days off from Android; I just needed a break. (And I have a new Nexus 9).
Yep; whilst TWRP was bootlooping, ADB did work... certainly, ADB devices yielded a device serial number... but I had nothing to 'push'.
I had no Nandroid backups on my laptop, and no Custom ROM. zips to 'push'. (I don't even think there are any yet, for the Nexus 9).
And even if I did successfully ADB push something, TWRP was bootlooping.
TWRP was essentially just useless, other than acting as an ADB gateway.
***
demkantor said:
@GedBlake
If you have time I'm willing to help you out, I've been testing some things and may be able to help, just let me know
Click to expand...
Click to collapse
Hi, demkantor...
Thanks for your offer of help... but I now have a new Nexus 9.
Still interested though, in what you have in mind, as I suspect this particular problem is going to rear it's ugly head again sometime in the future. As other Nexus 9 devices will likely befall a similar fate to my Nexus 9....
-----------------------------------------------------------------
Hi, guys...
Thanks for your input, help and advice.
First, apologies for my language in my posts above. It's not often that I resort to expletives, even if disguised with asterisks. It was unbecoming of me, and I hope I didn't cause any offence.
On to the matter in hand...
After three days, I would dearly love to report that 'I fought the good fight', and discovered some ingenious method by which I resolved the problem... but alas I didn't.
The device continued to bootloop TWRP, and fastboot oem unlock continued to fail.
The bootloader itself was still accessible (by pressing & holding vol-down, followed by power on). This button press sequence, interrupted the bootlooping TWRP, and forced a reboot into the bootboader.
But the only real use for this, was to shut down the Nexus 9, as accessing fastboot was a sheer waste of time. With a locked and unlockable bootloader, nothing could be fastboot flashed.
The device was stuck, and with no way out.
A resolution.. but not a solution.
The Nexus 9 in question was actually bought for me, by a very close friend, for my 49th birthday on the 18th November. When she recently enquired how I was doing with it... well, as you can imagine, I was somewhat reluctant to admit that I'd screwed it up.
But eventually, and to my embarrassment, I admitted I'd made a bit of a pig's ear of it.
After she'd given me 'the look', and a sigh of exasperation, she revealed she'd also bought with it, a two year extended, no-quibble, anything-can-happens warranty. I have a similar warranty on my old Nexus 7, though I've never had any cause to avail myself of it on that older device. It adds about £80 to the price of the device. So, this morning, we both headed out to the local PC World from whence she bought the Nexus 9, and got it replaced: no questions asked.
So, I'm currently midway through setting it up again.
Needless to say, I won't be repeating the same mistake!
As it stands, right now, my replacement Nexus 9 is working just fine. And indeed, if it can be said that 'every cloud has a silver lining', it's that the replacement unit is actually 'better'. The original unit had some minor light bleed issues, and the back cover flexed inwards marginally. This new one has no lightbleed at all, and it just feels more robust, with no flexing of the back. Google and HTC really need to get these build quality issues sorted, and quickly. It's really just not good enough on a tablet at this price point.
In conclusion..
After three years of tinkering with Android devices... rooting them, flashing Custom ROMs, etc, this is the first time I've ever rendered one unusable. Not technically hardbricked, in the classical sense, with a black unresponsive screen... but certainly unusable and very likely unrecoverable.
And it's caused me to reconsider the whole point of rooting Android, and unlocking bootloaders.
What are the benefits of doing so? And what are the attendant risks?
And is it worth it?
Of course, it you're rich, and you can afford to replace a bricked device, then maybe it is worth it. Or if you happen to have a no-quibble warranty, (at an additional price), as I did... then perhaps, also it might be worth it.
***
Android today, is a wholly different beast to what it was when I first came to it back in 2011...
...with GingerBread, HoneyComb and, later Ice Cream Sandwich. Then, there where very significant benefits to rooting and flashing Custom ROMs... but today, I'm not so sure it's really worth the hassle, or potential financial cost if things go wrong. And it's been my experience of technology, that things can sometimes go horribly wrong.
***
I rooted my Nexus 9, just so I could run Titanium... A great app, but I feel it's no longer as relevant as once was... and to run Greenify, the power saving app. But if Lollipop delivers on it's promise of improved battery performance, with the so called Project Volta, then maybe even Greenify will become less relevant. And the Greenify app devs. have made great strides forward in making Greenify work in non-rooted mode anyway... I know; I have it running on my unrooted HTC One M8.
Maybe, at some point in the future, I will unlock the bootloader again, and root my Nexus 9 again... but there is going to have to be a pretty compelling reason to do so... And right now, I can't think of one.
I'm just happy to have a Nexus 9 that works one again... and I'm not inclined to take any further chances with it.
Cheers all...
Rgrds,
Ged.
GedBlake said:
Hi, di11igaf...
Thanks for your response... And apologies for my late response. I took a few days off from Android; I just needed a break. (And I have a new Nexus 9).
Yep; whilst TWRP was bootlooping, ADB did work... certainly, ADB devices yielded a device serial number... but I had nothing to 'push'.
I had no Nandroid backups on my laptop, and no Custom ROM. zips to 'push'. (I don't even think there are any yet, for the Nexus 9).
And even if I did successfully ADB push something, TWRP was bootlooping.
TWRP was essentially just useless, other than acting as an ADB gateway.
***
Hi, demkantor...
Thanks for your offer of help... but I now have a new Nexus 9.
Still interested though, in what you have in mind, as I suspect this particular problem is going to rear it's ugly head again sometime in the future. As other Nexus 9 devices will likely befall a similar fate to my Nexus 9....
-----------------------------------------------------------------
Hi, guys...
Thanks for your input, help and advice.
First, apologies for my language in my posts above. It's not often that I resort to expletives, even if disguised with asterisks. It was unbecoming of me, and I hope I didn't cause any offence.
On to the matter in hand...
After three days, I would dearly love to report that 'I fought the good fight', and discovered some ingenious method by which I resolved the problem... but alas I didn't.
The device continued to bootloop TWRP, and fastboot oem unlock continued to fail.
The bootloader itself was still accessible (by pressing & holding vol-down, followed by power on). This button press sequence, interrupted the bootlooping TWRP, and forced a reboot into the bootboader.
But the only real use for this, was to shut down the Nexus 9, as accessing fastboot was a sheer waste of time. With a locked and unlockable bootloader, nothing could be fastboot flashed.
The device was stuck, and with no way out.
A resolution.. but not a solution.
The Nexus 9 in question was actually bought for me, by a very close friend, for my 49th birthday on the 18th November. When she recently enquired how I was doing with it... well, as you can imagine, I was somewhat reluctant to admit that I'd screwed it up.
But eventually, and to my embarrassment, I admitted I'd made a bit of a pig's ear of it.
After she'd given me 'the look', and a sigh of exasperation, she revealed she'd also bought with it, a two year extended, no-quibble, anything-can-happens warranty. I have a similar warranty on my old Nexus 7, though I've never had any cause to avail myself of it on that older device. It adds about £80 to the price of the device. So, this morning, we both headed out to the local PC World from whence she bought the Nexus 9, and got it replaced: no questions asked.
So, I'm currently midway through setting it up again.
Needless to say, I won't be repeating the same mistake!
As it stands, right now, my replacement Nexus 9 is working just fine. And indeed, if it can be said that 'every cloud has a silver lining', it's that the replacement unit is actually 'better'. The original unit had some minor light bleed issues, and the back cover flexed inwards marginally. This new one has no lightbleed at all, and it just feels more robust, with no flexing of the back. Google and HTC really need to get these build quality issues sorted, and quickly. It's really just not good enough on a tablet at this price point.
In conclusion..
After three years of tinkering with Android devices... rooting them, flashing Custom ROMs, etc, this is the first time I've ever rendered one unusable. Not technically hardbricked, in the classical sense, with a black unresponsive screen... but certainly unusable and very likely unrecoverable.
And it's caused me to reconsider the whole point of rooting Android, and unlocking bootloaders.
What are the benefits of doing so? And what are the attendant risks?
And is it worth it?
Of course, it you're rich, and you can afford to replace a bricked device, then maybe it is worth it. Or if you happen to have a no-quibble warranty, (at an additional price), as I did... then perhaps, also it might be worth it.
***
Android today, is a wholly different beast to what it was when I first came to it back in 2011...
...with GingerBread, HoneyComb and, later Ice Cream Sandwich. Then, there where very significant benefits to rooting and flashing Custom ROMs... but today, I'm not so sure it's really worth the hassle, or potential financial cost if things go wrong. And it's been my experience of technology, that things can sometimes go horribly wrong.
***
I rooted my Nexus 9, just so I could run Titanium... A great app, but I feel it's no longer as relevant as once was... and to run Greenify, the power saving app. But if Lollipop delivers on it's promise of improved battery performance, with the so called Project Volta, then maybe even Greenify will become less relevant. And the Greenify app devs. have made great strides forward in making Greenify work in non-rooted mode anyway... I know; I have it running on my unrooted HTC One M8.
Maybe, at some point in the future, I will unlock the bootloader again, and root my Nexus 9 again... but there is going to have to be a pretty compelling reason to do so... And right now, I can't think of one.
I'm just happy to have a Nexus 9 that works one again... and I'm not inclined to take any further chances with it.
Cheers all...
Rgrds,
Ged.
Click to expand...
Click to collapse
As long as you don't make the same 'mistake' again,(admittedly a mistake google should have considered before implementing the 'unlockable' flag) rooting/flashing a nexus is perfectly safe. If you stay unlocked, you can recover from anything. Performance with kernels and roms will continue to get better as the nexus 9s shortcomings are discovered and figured out. (There is a lot of new things with the 9-----lollipop, 64 bit architecture, etc). Personally I need root and an unlocked boot loader, but not everybody does.
Realistically with your device having access to a # adb shell your device was probably recoverable at the very least with 'dd', but you're back up so thats good. You paid for the no questions asked warranty and used it as designed as you should have, as much as it sucks at least you're back up.
Glad everything worked out for you.
GedBlake said:
Hi, di11igaf...
Thanks for your response... And apologies for my late response. I took a few days off from Android; I just needed a break. (And I have a new Nexus 9).
Yep; whilst TWRP was bootlooping, ADB did work... certainly, ADB devices yielded a device serial number... but I had nothing to 'push'.
I had no Nandroid backups on my laptop, and no Custom ROM. zips to 'push'. (I don't even think there are any yet, for the Nexus 9).
And even if I did successfully ADB push something, TWRP was bootlooping.
TWRP was essentially just useless, other than acting as an ADB gateway.
***
Hi, demkantor...
Thanks for your offer of help... but I now have a new Nexus 9.
Still interested though, in what you have in mind, as I suspect this particular problem is going to rear it's ugly head again sometime in the future. As other Nexus 9 devices will likely befall a similar fate to my Nexus 9....
-----------------------------------------------------------------
Hi, guys...
Thanks for your input, help and advice.
First, apologies for my language in my posts above. It's not often that I resort to expletives, even if disguised with asterisks. It was unbecoming of me, and I hope I didn't cause any offence.
On to the matter in hand...
After three days, I would dearly love to report that 'I fought the good fight', and discovered some ingenious method by which I resolved the problem... but alas I didn't.
The device continued to bootloop TWRP, and fastboot oem unlock continued to fail.
The bootloader itself was still accessible (by pressing & holding vol-down, followed by power on). This button press sequence, interrupted the bootlooping TWRP, and forced a reboot into the bootboader.
But the only real use for this, was to shut down the Nexus 9, as accessing fastboot was a sheer waste of time. With a locked and unlockable bootloader, nothing could be fastboot flashed.
The device was stuck, and with no way out.
A resolution.. but not a solution.
The Nexus 9 in question was actually bought for me, by a very close friend, for my 49th birthday on the 18th November. When she recently enquired how I was doing with it... well, as you can imagine, I was somewhat reluctant to admit that I'd screwed it up.
But eventually, and to my embarrassment, I admitted I'd made a bit of a pig's ear of it.
After she'd given me 'the look', and a sigh of exasperation, she revealed she'd also bought with it, a two year extended, no-quibble, anything-can-happens warranty. I have a similar warranty on my old Nexus 7, though I've never had any cause to avail myself of it on that older device. It adds about £80 to the price of the device. So, this morning, we both headed out to the local PC World from whence she bought the Nexus 9, and got it replaced: no questions asked.
So, I'm currently midway through setting it up again.
Needless to say, I won't be repeating the same mistake!
As it stands, right now, my replacement Nexus 9 is working just fine. And indeed, if it can be said that 'every cloud has a silver lining', it's that the replacement unit is actually 'better'. The original unit had some minor light bleed issues, and the back cover flexed inwards marginally. This new one has no lightbleed at all, and it just feels more robust, with no flexing of the back. Google and HTC really need to get these build quality issues sorted, and quickly. It's really just not good enough on a tablet at this price point.
In conclusion..
After three years of tinkering with Android devices... rooting them, flashing Custom ROMs, etc, this is the first time I've ever rendered one unusable. Not technically hardbricked, in the classical sense, with a black unresponsive screen... but certainly unusable and very likely unrecoverable.
And it's caused me to reconsider the whole point of rooting Android, and unlocking bootloaders.
What are the benefits of doing so? And what are the attendant risks?
And is it worth it?
Of course, it you're rich, and you can afford to replace a bricked device, then maybe it is worth it. Or if you happen to have a no-quibble warranty, (at an additional price), as I did... then perhaps, also it might be worth it.
***
Android today, is a wholly different beast to what it was when I first came to it back in 2011...
...with GingerBread, HoneyComb and, later Ice Cream Sandwich. Then, there where very significant benefits to rooting and flashing Custom ROMs... but today, I'm not so sure it's really worth the hassle, or potential financial cost if things go wrong. And it's been my experience of technology, that things can sometimes go horribly wrong.
***
I rooted my Nexus 9, just so I could run Titanium... A great app, but I feel it's no longer as relevant as once was... and to run Greenify, the power saving app. But if Lollipop delivers on it's promise of improved battery performance, with the so called Project Volta, then maybe even Greenify will become less relevant. And the Greenify app devs. have made great strides forward in making Greenify work in non-rooted mode anyway... I know; I have it running on my unrooted HTC One M8.
Maybe, at some point in the future, I will unlock the bootloader again, and root my Nexus 9 again... but there is going to have to be a pretty compelling reason to do so... And right now, I can't think of one.
I'm just happy to have a Nexus 9 that works one again... and I'm not inclined to take any further chances with it.
Cheers all...
Rgrds,
Ged.
Click to expand...
Click to collapse
I think you simply got a good scare off this story, losing a tablet for a checkbox unchecked is quite annoying.
I like to have the bootloader unlocked/s-off as soon as I get a device, so that I can do whatever I like with it the future. I personally couldn't live without root and custom roms, but I guess that my opinion could differ from yours
Sent from my GT-I9100 using XDA Free mobile app
totalnoob34 said:
I think you simply got a good scare off this story, losing a tablet for a checkbox unchecked is quite annoying.
I like to have the bootloader unlocked/s-off as soon as I get a device, so that I can do whatever I like with it the future. I personally couldn't live without root and custom roms, but I guess that my opinion could differ from yours
Sent from my GT-I9100 using XDA Free mobile app
Click to expand...
Click to collapse
A good 'scare off' story is perhaps sometimes a good thing. It helps keep perspective. A 'chilling' perspective...
Rooting, unlocking bootloaders, and/or flashing custom roms/kernels/recoveries, etc... should, I think, NEVER be considered routine.
We're not talking about installing Angry Birds here... there is always going to be some element of risk to the device.
However, with all that said... I've decided that some valid points have been made... And so I have decided to bite the bullet, and root my replacement Nexus 9.
Currently backing everything up to my laptop...
I'm going to use CF-Auto root... And stay clear of TWRP. I have some suspicions that the presence of TWRP (which endlessly bootlooped), played some part in the previous debacle.
Hope my female friend, who bought me this device, doesn't learn that I'm messing with it again. She'll give me all kinds of hell if I screw it up again!!
Anyhow, signing off for now... progress report later.
Rgrds,
Ged.
Yay!!!! My Nexus 9 bootloader is now unlocked, and successfully rooted... and without problems.
I can now rest easy... .
Thanks once again, for everybodies input, help, advice and guidance.
Kind Rgrds,
Ged.
GedBlake said:
A good 'scare off' story is perhaps sometimes a good thing. It helps keep perspective. A 'chilling' perspective...
Rooting, unlocking bootloaders, and/or flashing custom roms/kernels/recoveries, etc... should, I think, NEVER be considered routine.
We're not talking about installing Angry Birds here... there is always going to be some element of risk to the device.
However, with all that said... I've decided that some valid points have been made... And so I have decided to bite the bullet, and root my replacement Nexus 9.
Currently backing everything up to my laptop...
I'm going to use CF-Auto root... And stay clear of TWRP. I have some suspicions that the presence of TWRP (which endlessly bootlooped), played some part in the previous debacle.
Hope my female friend, who bought me this device, doesn't learn that I'm messing with it again. She'll give me all kinds of hell if I screw it up again!!
Anyhow, signing off for now... progress report later.
Rgrds,
Ged.
Yay!!!! My Nexus 9 bootloader is now unlocked, and successfully rooted... and without problems.
I can now rest easy... .
Thanks once again, for everybodies input, help, advice and guidance.
Kind Rgrds,
Ged.
Click to expand...
Click to collapse
In my opinion, unlocking the bootloader and rooting is routine, on mine and on my close friends' phones. But, as I said, everyone is free to do whatever he likes with their device
I've always had bad luck with TWRP on my devices. I always use ClockworkMod recovery, even if someone specifically recommends TWRP for some task.
But don't be scared by this episode. From your post, you definitely know what you're doing and eventually hit a brick wall. Yeah, **** happens. It's an inherent risk of modding your device.
Just don't give up.
I just relocked mine prior to sending it back, however, I was stock.
I did a full wipe, then did a fastboot oem lock, then booted back into android, re-enabled Developer Options, disabled OEM Unlock option and wiped again - booted into setup screen no problem.
Now packed up ready to send back to Google.
StuMcBill said:
I just relocked mine prior to sending it back, however, I was stock.
I did a full wipe, then did a fastboot oem lock, then booted back into android, re-enabled Developer Options, disabled OEM Unlock option and wiped again - booted into setup screen no problem.
Now packed up ready to send back to Google.
Click to expand...
Click to collapse
that sounds like the logical proper order to do it.
Sent from my Nexus 9 using Tapatalk
Thanks for the warning. So to sum it up, if we need to enable oem unlock, we should be in stock 100%. Right?
albsat said:
Thanks for the warning. So to sum it up, if we need to enable oem unlock, we should be in stock 100%. Right?
Click to expand...
Click to collapse
Hi, albsat...
Apologies it's taken me so long to respond, but with Christmas coming up, and helping out with family related stuff, I've not had much chance this past week to post stuff.
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Anyhow, to try to answer to your question...
Having thought long and hard about this problem... the problem isn't so much re-locking the bootloader with fastboot oem lock. I suspect this alone, shouldn't cause any problems.
It's the **Enable OEM unlock** setting in Developer Options, that is potentially dangerous.
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If Android (for whatever reason) won't boot, (bootlooping, for example), and if all other possible remedies fail... you would normally just (re)unlock the bootloader with fastboot oem unlock, and fastboot flash a factory image.
BUT THIS WILL NOT WORK, if the **Enable OEM unlock** setting in Developer Options has also been disabled.
If the device is soft-bricked at this point, and Android won't boot such that you cannot gain access to Developer Options (in order to re-enable that setting), then the device is permanently soft-bricked.
And there is nothing that can be done to rescue the device. And this was my earlier prediciment, as previously described.
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Let me see of if I can explain why I think this...
In a previous post on this thread, I wrote the following...
GedBlake said:
...anybody know what the setting **Enable OEM Unlock** in Developer Options actually sets.
What flag it sets?
In terms of the underlying operating system, this MUST JUST FLIP some binary state flag, such that...
There's gotta be some ADB command that will re-enable this, in the absence of a bootable version of Android.
Or some terminal command like a (dd=if>of command).
Click to expand...
Click to collapse
This was largely just desperate optimism on my part, in the hope that somebody might know of some ADB or terminal command... but having recently read the OP in this thread, I now know that my attempts to unbrick my previous Nexus 9, was likely a hopeless cause.
If, and as I suspect, the **Enable OEM unlock** setting in Developer Options, is an additional layer of security, then it probably CANNOT be circumvented by some ADB or terminal command.
It wouldn't be much of a security measure if it was that easy!!
Consider the following hypothetical scenario...
"Let's suppose a guy, a regular non-techy kind of guy, buys a brand new Nexus 9 tomorrow. Now, this guy knows nothing about fastboot or factory stock images or any of that stuff. Developer Options, by default, is hidden to him, 'cos he doesn't know you need to tap 7 times on the build number... And so, consequently also, the **Enable OEM unlock** setting is also hidden and by default, it's disabled.
He doesn't know this, and from his point of view, he doesn't want or need to know this. He just wants a nice tablet for browsing the web, checking his emails, posting on Twitter or Facebook, and maybe playing the occasional game. So he takes his new purchase home, and sets it up... with WiFi key and Google Account details, etc. He installs some apps from PlayStore, and copies over his music/pics/documents and other stuff from his laptop.
**But he's a security minded guy, so he decides to set a LOCK PATTERN or PIN NUMBER on his lock screen.**
One day, whilst going to work, he absent mindedly leaves his Nexus 9 on the train... which is then subsequently found by somebody who is not entirely honest. Instead of turning it into the police or the train stations lost property office, this scurrilous individual decides to keep the tablet for himself. He sees the device is PIN or PATTERN locked, but being a bit of an Android expert, he's non too worried about this. All he has to do, is unlock the bootloader and fastboot flash a factory stock image, and the stolen device will be his...
...Or so he thinks!!!
His first stumbling block (and upon which successfully flashing a factory stock image depends), is first unlocking the bootloader... and which of course will fail, because the lawful owner NEVER enabled **Enable OEM unlock** in Developer Options. Indeed, he wasn't even aware that such a setting existed. And our opportunist thief cannot boot Android in order to enable this setting, because he is not in possession of the LOCK PATTERN or PIN CODE required to get past the lock screen.
He is in possession of a useless tablet."
So, in this scenario... the setting **Enable OEM unlock** in Developer Options, has served it's purpose, in rendering the Nexus 9 useless to somebody who has no lawful right to it, and why I think that there was no possible way of salvaging my original Nexus 9. Any such method would undermine the whole point of it.
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So, in conclusion...
Re-locking the bootloader is probably safe... The danger is ALSO, AND AT THE SAME TIME disabling the **Enable OEM unlock** option in Developer Options... and is risky, as you're potentially disallowing the bootloader from EVER being unlocked again.
And if Android won't boot... FOR WHATEVER REASON, there is NO WAY of re-enabling that setting.
So, once you've enabled it, my advice is to NEVER disable it... regardless of what you do with the bootloader lock state.
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Anyhow, I hope my lengthy post sheds some light on all of this... And is of assistence to whomever has the patience to read the whole damn thing.
Sorry, but I do tend to waffle on at times.
Kind Rgrds,
Ged.
My case is similar, the only difference is that I never changed the recovery. After a few days of it working ok, at the startup it just stays at the Google logo.
Tried a Factory Reset and Wipe and not yet a single change. Next step would be to just flash the stock ROM, but wait! Developer Options was never enabled nor was Enable OEM Unlock.
I bought this $450 tablet in the US and I live in Brazil and now I cannot even return it. This is how dumb the decision to add this toggle was. And I tought Google made the device for developers.
dirceucorsetti said:
My case is similar, the only difference is that I never changed the recovery. After a few days of it working ok, at the startup it just stays at the Google logo.
Tried a Factory Reset and Wipe and not yet a single change. Next step would be to just flash the stock ROM, but wait! Developer Options was never enabled nor was Enable OEM Unlock.
I bought this $450 tablet in the US and I live in Brazil and now I cannot even return it. This is how dumb the decision to add this toggle was. And I tought Google made the device for developers.
Click to expand...
Click to collapse
You're fine. Just find the factory update.zip and install it via factory recovery, along with a userdata wipe.
After a few tries the factory reset was well succeeded. Thanks for the info though. I had no knowledge that I could flash the stock version via factory recovery. I guess I'm back to the noob pack.
Same just happened to me and I'm stuck. Is there any way to even use TWRP? I can boot into it but it can't mount storage which makes it useless afaik. I was running stock rom and everything except recovery..
You still have no answer to your problem?
Edit: after trying factory reset through the bootloader the recovery won't boot anymore..