4.2.1 Problem - Transformer TF300T Q&A, Help & Troubleshooting

My mom has a bone stock tf300t. When she got the tablet it came with 4.1 and everything was fine. After she upgraded it to 4.2.1 the touch screen stopped working. If i were to unlock it and downgrade it to 4.1 do you think the touch screen would work again?
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1dog9 said:
My mom has a bone stock tf300t. When she got the tablet it came with 4.1 and everything was fine. After she upgraded it to 4.2.1 the touch screen stopped working. If i were to unlock it and downgrade it to 4.1 do you think the touch screen would work again?
Sent from my ASUS Transformer Pad TF300T using XDA Premium HD app
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Unlikely. Is the unit still under warranty? If so, you may want to explore getting it fixed under that before you unlock it and void the warranty. But, I don't think you need to unlock to downgrade to 4.1. There is an existing thread with details on that.
In any case, how can you even run the unlock tool app if the screen doesn't work?

Keyboard dock
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Just so everyone is aware I successfully downgraded her tablet to get the touch screen to work again. So if you have that problem and are out of warranty it may be a good option instead of paying.
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Related

has anyone rooted jellybean or downgraded to ics

Has any one been able to root Jellybean yet, or downgrade back to Ice Cream Sandwich for the transformer prime tf300. Ive tried the firmware update to the .17 for ics and its still locked to Jellybean. The only other thing i could think of is to use the kernals, but i found no way to install them. Should i even try unlocking the bootloader?
So far, it looks hopeless to try and downgrade to ICS. The source code has been released so we may have root in the not-to-distant future once the developers have a look at it.
jdk2 said:
So far, it looks hopeless to try and downgrade to ICS. The source code has been released so we may have root in the not-to-distant future once the developers have a look at it.
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Here's hoping. I didn't realize how much I really used until it was taken away.
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Why do you want to downgrade?
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seshaz said:
Why do you want to downgrade?
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Click to collapse
If you can downgrade to ICS you could potentially get root back using the debugfs method. Then you can upgrade again and rescue your root with voodoo ota root keeper, but I had to wipe data after the jb upgrade, and that broke root for good, for now.
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funnel71 said:
If you can downgrade to ICS you could potentially get root back using the debugfs method. Then you can upgrade again and rescue your root with voodoo ota root keeper, but I had to wipe data after the jb upgrade, and that broke root for good, for now.
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Oh I see, you're bl is locked.
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heero117 said:
Has any one been able to root Jellybean yet, or downgrade back to Ice Cream Sandwich for the transformer prime tf300. Ive tried the firmware update to the .17 for ics and its still locked to Jellybean. The only other thing i could think of is to use the kernals, but i found no way to install them. Should i even try unlocking the bootloader?
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Click to collapse
Rooting is very simple in JellyBean assuming you have your boot unlocked
moisaal said:
Rooting is very simple in JellyBean assuming you have your boot unlocked
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The ASUS site says:
1. Only suitable for Andriod4.0 Ice Cream Sandwich OS version.
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So if I got the 4.1 update, I cant unlock bootloader, and cant get root?
RenderOne said:
The ASUS site says:
So if I got the 4.1 update, I cant unlock bootloader, and cant get root?
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Click to collapse
You should be able to. Despite the message, many others are reporting success.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Yes, you can root JB.
I just bought my Tab, upgraded to JB right away then performed below steps:
1) Used the ASUS unlocker to unlock the device, make sure you have internet connection otherwise it will not work.
2) Follow 3rd part in below thread to root JB:
http://forum.xda-developers.com/showthread.php?t=1845377
sghi777 said:
Yes, you can root JB.
I just bought my Tab, upgraded to JB right away then performed below steps:
1) Used the ASUS unlocker to unlock the device, make sure you have internet connection otherwise it will not work.
2) Follow 3rd part in below thread to root JB:
http://forum.xda-developers.com/showthread.php?t=1845377
Click to expand...
Click to collapse
Question, is that all you did? I'm considering doing the same but I don't want custom Roms and such. I just want my root back.
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I think the big question is if its possible to keep the BL locked though. I know I tried via the OTA keeper, and no success. Tried updating binaries, superSU, regular SU... no dice so far...
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i want to downgrade my tf300t from jb to ics too,because i often watch some online videos with flash,but the jb doesn't support it.that's so bad.can anybody tell me how?
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jijitax4 said:
i want to downgrade my tf300t from jb to ics too,because i often watch some online videos with flash,but the jb doesn't support it.that's so bad.can anybody tell me how?
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Jb supports flash. Not officially.
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For locked u can only root ics and keep it using voodoo rootkeeper and than update. Thats how i did it.
Im not sure but u could downgrade using this method. It flash whole system again and clear all ~30gb of memory so it should work.
Sent using tf300t - stock JellyBean (rooted)
thnx,but i have no courage to downgrade it by this thread.did anyone downgrade the JB to ICS sucessful?
1.a jb OS tf300t(upgrade by OTA)
2.unlocked
3.downgrade to ICS
can it be done?
i am a chinese.i used to see the Starcraft2 video at a online video site(www.youku.com,a website built by CHINA)i can watch the video without problem on ICS.but now when upgrade to JB.the video will sure stop at the beginning or after a few minutes and the browser will crashed. i tried several browser.no one worked.i am so depressed
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If ure unlocked u can dl .30 ics from asus and flash it in recovery i think
Sent using tf300t - stock JellyBean (rooted)
funnel71 said:
Question, is that all you did? I'm considering doing the same but I don't want custom Roms and such. I just want my root back.
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Click to collapse
Yes, that's all I did.
gunshy
Why am I still gunshy then?
Just a heads up, if ota rootkeeprr couldn't restore root... reboot your tab. I did and all of a sudden I had proper root access
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Root bootloader rom

Just bought my tf300 today. I searched a little but i am confused. My firmware is 9.4.3.30 i am still 0n ICS. What is the best guide to gaining root unlocking the bootloader and a rom. Would rather stay away from abd only because my computer is not set up with it. Do i upgrade to stock jelly bean then use the asus unlock apk? What is the most up to date guide?
Thank you.
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swaser18t said:
Just bought my tf300 today. I searched a little but i am confused. My firmware is 9.4.3.30 i am still 0n ICS. What is the best guide to gaining root unlocking the bootloader and a rom. Would rather stay away from abd only because my computer is not set up with it. Do i upgrade to stock jelly bean then use the asus unlock apk? What is the most up to date guide?
Thank you.
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Click to expand...
Click to collapse
You can unlock with the Asus Unlock app on ICS. There is currently no root for locked bootloaders on JB. ICS can still be rooted with the bootloader locked.
Thank you. What do you recommend doing. Staying on ics and keeping the bootloader lock? Or unlocked and jelly bean? Was kinda thinking about running black bean. What are your thoughts or experience?
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swaser18t said:
Thank you. What do you recommend doing. Staying on ics and keeping the bootloader lock? Or unlocked and jelly bean? Was kinda thinking about running black bean. What are your thoughts or experience?
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Black Bean runs on ICS so no need to upgrade to JB for it....
What is the most current way to root?
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swaser18t said:
What is the most current way to root?
Sent from my Galaxy Nexus using xda premium
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So far as I know (and I don't have my tablet yet):
http://forum.xda-developers.com/showthread.php?t=1668173
Stay on ICS, from JB is difficult to move, currently.

Unlocking

Ok XDA I just purchased the Tf300t and I'm considering rooting it but I read that I have to unlock it which voids the warranty. Is there a way root it with out unlocking it? Please keep in mind this is my first tablet
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dmont2006 said:
Ok XDA I just purchased the Tf300t and I'm considering rooting it but I read that I have to unlock it which voids the warranty. Is there a way root it with out unlocking it? Please keep in mind this is my first tablet
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Is this what you were looking for?
from what i read it says you can root it without unlocking if its on ics from here
and if its in jb its giving errors
hope it helped.
OK I'm on JB unfortunately so I guess I'll have to wait thanks though
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I work on these devices for a living and can tell you that as far as the manufacture is concerned unlocking and rooting are the same thing. They will void the warrantee.
Instead if worrying about that get a nandroid back up and do research on going back to stock. That way if you need to for any reason you have an out and you can send the device in.
Sent from my Galaxy Nexus using xda app-developers app
I know about going back to stock the boot loader is my concern. I've rooted several of my phones and went back to stock for insurance purposes. I've just read that once its unlocked you can't reverse it.
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[Q] 4.1 vs. 4.2 - Overall performance and smoothness

Hi people!
Well, looks like Im back on flashing roms to my beloved tf300t
So into the thing: Few months back I flashed my first 4.2 rom (cant remember which rom it was) and of course with the new bootloader in seek of performance.
After few days of use I decided to go back to JB and it took me a full day to rollback to older bootloader but it was worth it. I couldnt stand that poor performance and freezing on 4.2 against my old flawless JB rom.
Now few months have passed since that. So Im wondering if there is any 4.2 rom that has better performance than my current JB rom CleanROM Inheritance 3.4.6.
Im asking you guys because I dont want to rollback to JB bootloader again if I decide to flash 4.2 rom again.
Thanks
Anyone..?
Running cromi with hunds kernel. Runs great, but i wouldnt upgrade just for it.
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tt1106 said:
Running cromi with hunds kernel. Runs great, but i wouldnt upgrade just for it.
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Yeah Im keeping my JB then, thanks!
I'm running the 4.1 CM10 nightlies and loving it. I'm staying with 4.1 for now. :thumbup:
Sent from my C525c using Xparent SkyBlue Tapatalk 2
Factory reset before using,and now Im facing of lags...
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Lags everywhere and everything
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letakomahieu said:
Lags everywhere and everything
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Too bad, looks like no perfomance gained from 4.2 against 4.1.
My quick recommend, use the google keyboard and feel the smooth. Asus keyboard suck and lag like hell.
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letakomahieu said:
My quick recommend, use the google keyboard and feel the smooth. Asus keyboard suck and lag like hell.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
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Already using JB thumb keyboard

Looking to root

I've rooted all of my phones since the OG Evo on sprint......but when it comes to this tablet I'm at a loss and not sure where to begin. I'm running the most current firmware. Please someone point me in the right direction. I do not have a computer anymore. I rooted my s3 without one so I'm assuming it's possible with the asus .
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david7598 said:
I've rooted all of my phones since the OG Evo on sprint......but when it comes to this tablet I'm at a loss and not sure where to begin. I'm running the most current firmware. Please someone point me in the right direction. I do not have a computer anymore. I rooted my s3 without one so I'm assuming it's possible with the asus .
Sent from my ASUS Transformer Pad TF300T using XDA Premium HD app
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Have you checked out This thread?
graphdarnell said:
Have you checked out This thread?
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Yes. And that method requires a computer. I dont have a computer
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david7598 said:
Yes. And that method requires a computer. I dont have a computer
Sent from my ASUS Transformer Pad TF300T using XDA Premium HD app
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Sorry mate, I think you're out of luck. You need a pc to root the TF300T. You'll have to wait until you can get your hands on a pc... or if Chainfire starts developing for the TF300T. If Only.

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