Unable to update to Jelly Bean - Transformer TF300T Q&A, Help & Troubleshooting

I have been checking for updates over and over for the past 48 hours and gotten no update. I have heard that this is due to the fact that I unlocked my bootloader, even though I did nothing with it after that. I didn't even root it.
Can someone tell me how to lock the bootloader or which file I need to download to go back to the stock rom? This is starting to annoy me.

Did you even read the warning when unlocking the bootloader? It says you void your warranty and are running non stock firmware and will not receive updates. You have to manually update.
Also, you cannot re-lock the bootloader.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2

turdbogls said:
Did you even read the warning when unlocking the bootloader? It says you void your warranty and are running non stock firmware and will not receive updates. You have to manually update.
Also, you cannot re-lock the bootloader.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
Click to expand...
Click to collapse
My whole point is that I did not run non-stock firmware. All I did was unlock the bootloader. I installed no roms, nor did I root.
I have read that if I flash back to the .29 stock rom it will re-lock the bootloader and allow me to receive updates.

Unsillied said:
My whole point is that I did not run non-stock firmware. All I did was unlock the bootloader. I installed no roms, nor did I root.
I have read that if I flash back to the .29 stock rom it will re-lock the bootloader and allow me to receive updates.
Click to expand...
Click to collapse
Even if you're running stock firmware, and not rooted, unlocking bootloader is still unlocking bootloader, and you DID unlock your bootloader, so you DON'T get OTA update. and there is NO WAY to re-lock the bootloader, even if you can re-lock it, asus still know your bootloader is unlocked, because when you used the bootloader unlock tool, it sent your tablet info (serial number i think) to asus server.

Sadly it is true no OTA JB for you.... but if your dead set on getting JB read this....
http://forum.xda-developers.com/showthread.php?p=30404556
sent from my DROID BIONIC via XDA App

nooktablet said:
Even if you're running stock firmware, and not rooted, unlocking bootloader is till unlocking bootloader, and you DID unlock your bootloader, so you DON'T get OTA update. and there is NO WAY to re-lock the bootloader, even if you can re-lock it, asus still know your bootloader is unlocked, because when you used the bootloader unlock tool, it sent your tablet info (serial number i think) to asus server.
Click to expand...
Click to collapse
This.
And in Asus' eyes an unlocked bootloader is not stock firmware....even if it completely stock.
Also really flashing old firmware......if even possible......will not really lock your bootloader
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2

XperianceIT said:
Sadly it is true no OTA JB for you.... but if your dead set on getting JB read this....
http://forum.xda-developers.com/showthread.php?p=30404556
sent from my DROID BIONIC via XDA App
Click to expand...
Click to collapse
I was able to successfully update to Jelly Bean with this. Thanks!

How can i check if my bootloader is unlocked? Ever since i bought my tablet brand new i never got any ota updates.. had to do it manually all the time.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2

bimmerboii said:
How can i check if my bootloader is unlocked? Ever since i bought my tablet brand new i never got any ota updates.. had to do it manually all the time.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
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Click to collapse
If you bought yours new not used then the bootloader should be locked

nooktablet said:
If you bought yours new not used then the bootloader should be locked
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Click to collapse
Yes i bought it brand new sealed. I dont understand why i never got ota updates..
Also whenever i click on "Check Update" it doesnt do anything. Not even a response saying no update available or anything like that.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2

maybe it started to download some ota update and hanged without you noticing, lefting you in "limbo" - check if there is some file in /cache (you should be able to see it with esfile even without root, but you need root to do any change) or some log

Related

(Q) Just to be clear. Unlock bootloader= Voided Warranty?

Just got my TF300. Is there no way to do it without Asus knowing? Just want to be clear that this is the only way to flash recovery at this time.
Unlocked bootloader = void warranty.
Yes. if you unlock bootloader, you void your warranty
No way yet, some of us are working on it but we aren't there yet. And yes, unlocking is the only way to flash a custom recovery, but you can still get root.
Ok thanks a lot guys. Just wanted to be sure. Just upgraded today from a TF101.
I already have root as I wanted to restore some stuff with titanium. I'm cool for now as far as roms go. And thanks to anyone helping us get the bootloader unlocked.
but...
Is their any way to lock the boot loader back? i mean back in the mytouch days you could have s off and turn it back on
No, not with the way Asus unlocks the bootloader.
I thought doing a custom rom voided the warranty but you can do root without voiding the warranty?
Rob
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2!
rlanza1054 said:
I thought doing a custom rom voided the warranty but you can do root without voiding the warranty?
Rob
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2!
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Click to collapse
Correct. Rooting is just taking administer access over the operating system. Unlocking the boot loader to installed Recovery/Roms will void your warranty.

Back to stock...

As the title states if I root my device is there any way to go back to stock and re-lock the bootloader? Gonna be rooting soon and I'm used to my nexus devices that you can do just about anything with. Thank you in advance...
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
As far as i know there is no way to undo the bootloader unlocking procedure.
If you only rooted your device without unlocking the bootloader then it's reversible by doing a factory reset.
Correct me if i'm wrong.
Wrong section - to... Q&A section.
To answer your question.
As your serialnumber will be sent to ASUS you don't have any advantage or disadvantage to revert back to a locked bootloader or a non custom recovery.

Root without unlocked bootloader

Is there any posibility of rooting the tf300t without unlocking the bootloader. Sorry if there is some info about it but I read someone did this but couldn't find how he did it.
I haven't heard anything yet. Keeping my fingers crossed as I did not save root before upgrading and the unlock tool fails for me.
If on jb, there is no known method at this time.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
But is there any on ics? Will I lose root access after update?
on ICS: i use this method, worked great for me (make sure you download the version 1.1 which states it works for TF300, version 1.0 won't work for TF300). No need to unlock bootloader
nooktablet said:
on ICS: i use this method, worked great for me (make sure you download the version 1.1 which states it works for TF300, version 1.0 won't work for TF300). No need to unlock bootloader
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Click to collapse
+1
Then use Vodoo OTA RootKeeper to save root when and if you update.
Consider NVFlash b4 uptate to jb.

[Q] Does the new ICS/JB adb root exploit work for TF300? No need to unlock bootloader

Has anyone tried this?
http://forum.xda-developers.com/showthread.php?t=1886460
a small script which is able to root ICS/JB phones. It uses a remount timing issue in Androids "adb restore" service.
So normally it should work on nearly all ICS/JB devices
Click to expand...
Click to collapse
This method is pretty new and is supposed to allow for root without the need to perform a bootloader unlock.
This exploit is supposed to work up till 4.1.2.
Source: http://www.reddit.com/r/GalaxyNexus/comments/11hikf/root_unlock_galaxy_nexus_wo_wiping/
You don't need an unlocked bootloader for root since forever
Sent from my Transformer Pad TF300T using xda app-developers app
xaueious said:
Has anyone tried this?
http://forum.xda-developers.com/showthread.php?t=1886460
This method is pretty new and is supposed to allow for root without the need to perform a bootloader unlock.
This exploit is supposed to work up till 4.1.2.
Source: http://www.reddit.com/r/GalaxyNexus/comments/11hikf/root_unlock_galaxy_nexus_wo_wiping/
Click to expand...
Click to collapse
Didn't work on my 300t
Didn't work here either. Tested it with WW 10.4.2.13, debugging and install from unknown sources enabled. Maybe in the next versions.
Trimis de pe ASUS Transformer Pad TF300T
did u guys also tried the second method?
Somebody else asked the question few weeks ago.
No, it won't work with the TF300
Asus made the exploit useless
will nexus 7 root methods work?
xSvenHD said:
will nexus 7 root methods work?
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Click to collapse
it's a nexus, it always work but it's better to fully unlock it, it got official miui, not the best for tablet at the moment but it's miui :silly:
never mind i miss read, i thought "will it work with nexus 7?".
i don't think so nexus don't even need to be online to unlock it's as easy as "adb fastboot unlock" from boot loader screen, the current asus method for the tf300 is install the app, contact server , blank device number and unlock(ICS)

[Q] Serial Number Unknown

I've just bought a second hand tf300 of Amazon and saw it still had ICS on it. When I tried to OTA update to JB it wouldn't. Closer inspection showed that in settings status the serial number is listed as unknown. I've now updated manually to JB and CWM was not installed so I dont think its unlocked and rooted. However I just want to run it with stock receiving OTA updates. Any ideas how I can fix the serial number issue or bypass to get OTA?
jimbo34 said:
I've just bought a second hand tf300 of Amazon and saw it still had ICS on it. When I tried to OTA update to JB it wouldn't. Closer inspection showed that in settings status the serial number is listed as unknown. I've now updated manually to JB and CWM was not installed so I dont think its unlocked and rooted. However I just want to run it with stock receiving OTA updates. Any ideas how I can fix the serial number issue or bypass to get OTA?
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Click to collapse
Here is my guess. You are unlocked. You can't load something like cwm if you're not.
I'm guessing before you got the tablet, the previous owner unlocked it, screwed it up, sent it to Asus for repair, and Asus returned it working, but loaded code somehow to eliminate the serial. This has happened to others, or so I've read. Feel lucky if you're unlocked. Users who have been reporting this problem have said their tablets are locked, and since there's no serial, they can't use the tool to unlock it.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
funnel71 said:
Here is my guess. You are unlocked. You can't load something like cwm if you're not.
I'm guessing before you got the tablet, the previous owner unlocked it, screwed it up, sent it to Asus for repair, and Asus returned it working, but loaded code somehow to eliminate the serial. This has happened to others, or so I've read. Feel lucky if you're unlocked. Users who have been reporting this problem have said their tablets are locked, and since there's no serial, they can't use the tool to unlock it.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
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CWM was not installed when I received it but is there any way of knowing if the unlock tool has been run previously? If I'm stuck doing manual updates how long does it take the ota updates to appear for download on the Asus site?
jimbo34 said:
CWM was not installed when I received it but is there any way of knowing if the unlock tool has been run previously? If I'm stuck doing manual updates how long does it take the ota updates to appear for download on the Asus site?
Click to expand...
Click to collapse
Usually a week give or take.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
jimbo34 said:
CWM was not installed when I received it but is there any way of knowing if the unlock tool has been run previously? If I'm stuck doing manual updates how long does it take the ota updates to appear for download on the Asus site?
Click to expand...
Click to collapse
When you boot, do you see "this device is unlocked" in small white text on the upper left corner? that's how you tell.
Btw, unlock doesn't mess with the serial number.
Sent from my ASUS Transformer Pad TF300T using Tapatalk
The guy you bought it from bricked the unlocked tablet and send it to Asus for repair. They then performed a full reflash but forgot or didn't repair the partition that holds the device ids. You can send it back to Asus for repair and they will fix the serial number issue but even after that you won't be able to receive OTA updates and you won't be able to unlock the device again.
p0k3y said:
When you boot, do you see "this device is unlocked" in small white text on the upper left corner? that's how you tell.
Btw, unlock doesn't mess with the serial number.
Sent from my ASUS Transformer Pad TF300T using Tapatalk
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I don't see the "this device is unlocked" message on booting. I tried to run the unlock tool but get an error message. Guess I'm screwed for OTA or unlocking then. A newby question though, if I just want to root (mainly to install adblock and titanium backup, 6 axis etc), do I still need to unlock? If so, will there ever be a root without unlocking ie Debugfs?
jimbo34 said:
I don't see the "this device is unlocked" message on booting. I tried to run the unlock tool but get an error message. Guess I'm screwed for OTA or unlocking then. A newby question though, if I just want to root (mainly to install adblock and titanium backup, 6 axis etc), do I still need to unlock? If so, will there ever be a root without unlocking ie Debugfs?
Click to expand...
Click to collapse
You don't need to unlock for root access.
bazzio said:
You don't need to unlock for root access.
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Click to collapse
You do if you're running jb. If you found a means to do it without unlocking and on jb, please post it, and I don't mean carrying over root from ICS. Some don't have that option.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
jimbo34 said:
I've just bought a second hand tf300 of Amazon and saw it still had ICS on it. When I tried to OTA update to JB it wouldn't. Closer inspection showed that in settings status the serial number is listed as unknown. I've now updated manually to JB and CWM was not installed so I dont think its unlocked and rooted. However I just want to run it with stock receiving OTA updates. Any ideas how I can fix the serial number issue or bypass to get OTA?
Click to expand...
Click to collapse
I think that the best solution for you is to return to Asus your TF300 with the invoice, cause you bought this second hand on Amazon, and normally they should repair it to you without problem.
bazzio said:
You don't need to unlock for root access.
Click to expand...
Click to collapse
At the moment, you cannot root only your tablet if it's on JB bootloader.
If you want a root on JB bootloader, you need to unlock before
i have a TF300 that is having the same problem, i can not unlock the bootloader with the asus app... now is there another method to unlock the bootloader?
unfortunately not. You are stuck with Stock.

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