already rooted. is there a step by step to downgrade to ics. really miss my flash player. can't get it to work on jb.
There is not a way to downgrade at the moment if you are running the OTA JB.
Btw flash can still work with JB using the stock browser. Here's a copy of the recent flash player if you need it
https://www.box.com/shared/b58c065aae3988d53e04
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
DMardroid said:
There is not a way to downgrade at the moment if you are running the OTA JB.
Btw flash can still work with JB using the stock browser. Here's a copy of the recent flash player if you need it
https://www.box.com/shared/b58c065aae3988d53e04
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
Click to expand...
Click to collapse
I would think to truly do this, you would need to flash the bootloader, system, and recovery all at the same time so everything is in sync with ICS, just not worth it.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
funnel71 said:
I would think to truly do this, you would need to flash the bootloader, system, and recovery all at the same time so everything is in sync with ICS, just not worth it.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
Well, can't we just download the latest ICS factory image from Asus? Or would the bootloader prevent us from even using the factory ICS image?
naddie said:
Well, can't we just download the latest ICS factory image from Asus? Or would the bootloader prevent us from even using the factory ICS image?
Click to expand...
Click to collapse
When I was locked, I tried to take the zip and put it in internal storage. It installed the downgrade as it called it, but when done, I was still on jb. I would think if you're on jb and force flashed the ICS blob it would possibly brick the device because jb has different permissions and from what I've read a different partition table all together.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
funnel71 said:
When I was locked, I tried to take the zip and put it in internal storage. It installed the downgrade as it called it, but when done, I was still on jb. I would think if you're on jb and force flashed the ICS blob it would possibly brick the device because jb has different permissions and from what I've read a different partition table all together.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
I don't believe it has a different partition table but even if it did, asus blobs include the partition table in every update so that wouldn't be an issue, the issue however is that you cannot download the bootloader, the bootloader is now signed seperately to the rest of the update to prevent abuse like what we did with the tf201 to obtain nvflash access. When you unlock the bootloader signature remains enabled while the blob flashing signature check is disabled. This has a side effect of preventing downgrades as the bootloaders pre-JB do not have this same signing mechanism in place.
funnel71 said:
When I was locked, I tried to take the zip and put it in internal storage. It installed the downgrade as it called it, but when done, I was still on jb. I would think if you're on jb and force flashed the ICS blob it would possibly brick the device because jb has different permissions and from what I've read a different partition table all together.
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
I actually attempted to downgrade last night. Quite frankly, I think that I came close o a few soft bricks. I tried flashing a custom ICS rom...no go. I tried loading the firmware from the Asus website to the root of the SD card and restart...no go. I tried force flashing the firmware using recovery mode, and it completed "successfully." When I rebooted...no go...and no ROM. This is when I started getting worried, because when I tried to boot into recovery, I received a red error message saying that there was a mismatch. I hard rebooted again, and booted into recovery, and reflashed my JB Rom. I did everything BUT use fastboot to load an ICS recovery image. I didn't want to take that risk.
My suggestion....leave it alone. I am leaving it to the experts. And if you are not an expert, then LEAVE IT TO THEM TOO!
aarsyl said:
I actually attempted to downgrade last night. Quite frankly, I think that I came close o a few soft bricks. I tried flashing a custom ICS rom...no go. I tried loading the firmware from the Asus website to the root of the SD card and restart...no go. I tried force flashing the firmware using recovery mode, and it completed "successfully." When I rebooted...no go...and no ROM. This is when I started getting worried, because when I tried to boot into recovery, I received a red error message saying that there was a mismatch. I hard rebooted again, and booted into recovery, and reflashed my JB Rom. I did everything BUT use fastboot to load an ICS recovery image. I didn't want to take that risk.
My suggestion....leave it alone. I am leaving it to the experts. And if you are not an expert, then LEAVE IT TO THEM TOO!
Click to expand...
Click to collapse
Good suggestion haha - now I have been reading about nvflash being usable for the tf300, but only if you were on the ICS bootloader, wondering if you can do an nvflash type backup - don't know much about it - but after backup, upgrade to jb, then use backup to return to ICS...
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
I tried every method out there to get back to ICS. So there is no way. Tried fastboot, tried adb, tried wolfs downgrade method, tried restoring a backup with CWM and TWRP and many more. So unfortunately there is no way, but Scotts and Seanz Roms were the best Roms on ICS, so I think I dont have to, cause I have the best Roms to choose.
Only thing missing is NVflash and OC (its been working on )
Have you tried erasing everything
mikaole said:
I tried every method out there to get back to ICS. So there is no way. Tried fastboot, tried adb, tried wolfs downgrade method, tried restoring a backup with CWM and TWRP and many more. So unfortunately there is no way, but Scotts and Seanz Roms were the best Roms on ICS, so I think I dont have to, cause I have the best Roms to choose.
Only thing missing is NVflash and OC (its been working on )
Click to expand...
Click to collapse
I recently just restored my bricked Tf300 by using these commands from fastboot thanks to user Buster99
fastboot erase system
fastboot erase recovery
fastboot erase userdata
fastboot erase boot
fastboot erase misc
fastboot erase cache
fastboot -i 0x0B05 flash system c:\adt-bundle\platform-tools\blob (this is my path - your's may vary depending where you stored your blob)
fastboot -i 0x0B05 reboot
this completely erased my system, fixed my bootloo and brought it back to stock. Can there be a way to erase the bootloader this way???
Link to how i recovered "http://forum.xda-developers.com/showthread.php?p=45386598#post45386598"
Related
my English is poor,apologize
I have a tf300t(bought from US,I am a chinese),it isn't unlocked until update to stock JB(i update to 4.1.1from OTA,locked),but after unlocked,I flash the CWM 5.5.0.4,but it didn't work.Then i flash the TWRP 2.2.1.3 for JB only(http://forum.xda-developers.com/showthread.php?t=1843694),it worked.But after i flash the fireware "ASUS-ICS-HYDRO-PONIC"(http://forum.xda-developers.com/showthread.php?t=1750861),after reboot,the device hanged at the asus logo for a long time(i watched it for even 10 minutes.....),so i tried the stock rom(download from ASUS site,US_epad-user-9.4.3.30.zip)but it didn't word too.Now my tf300t can't boot to the OS,it only can get into the recovery(TWRP2.2.1.3 for JB).somebody help me......,I wonder if it is the update from OTA to cause my problem)
There are others in the same situation. Keep watch on this thread http://forum.xda-developers.com/showthread.php?p=30516010
And others. There should be a fix soon to downgrade back to ICS and start over. Hang in there and be patience. At least you can get into TWRP so there's still hope.
Sent from my Nexus S 4G using Tapatalk 2
DMardroid said:
There are others in the same situation. Keep watch on this thread http://forum.xda-developers.com/showthread.php?p=30516010
And others. There should be a fix soon to downgrade back to ICS and start over. Hang in there and be patience. At least you can get into TWRP so there's still hope.
Sent from my Nexus S 4G using Tapatalk 2
Click to expand...
Click to collapse
thanks a lot,i think i must be patient for a while.just like you said,i can get into TWRP,there is still hope.
jijitax4 said:
...it isn't unlocked until update to stock JB(i update to 4.1.1from OTA,locked),but after unlocked...
Click to expand...
Click to collapse
So you used unlock tool on JB, and it worked?
That's handy to know anyways...
mozyman said:
So you used unlock tool on JB, and it worked?
That's handy to know anyways...
Click to expand...
Click to collapse
yes it worked,my tf300t is unlocked,there is the word"this device is unlocked" on the asus logo screen.but it can't load os.
So I wonder if maybe you would have luck wiping and trying to install a jb based ROM like cm10? Since you're already on jb firmware its understandable that an ICS ROM fails... I'm by no means an expert but just someone considering an unlock after JB ota
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Looks like partition sizes chaged with the Asus update. I couldn't flash CM10 or any other rom as well (signature mismatch). If you installed the official 4.1.1 update, you need to manually install it again. Older versions and rollbacks wont work unless you push to some trickery mmcblk0p4, but that's another thread in itself
Download the JB update from Asus's website (if you still have it, that's fine) and extract the blob file. Put the blob file in teh same directory as your fastboot. Boot your TF300 into bootloader and enter:
fastboot -i 0x0B05 flash system blob
It will take a while to install, so be patient. Hope this helps
zeiroe said:
Looks like partition sizes chaged with the Asus update. I couldn't flash CM10 or any other rom as well (signature mismatch). If you installed the official 4.1.1 update, you need to manually install it again. Older versions and rollbacks wont work unless you push to some trickery mmcblk0p4, but that's another thread in itself
Download the JB update from Asus's website (if you still have it, that's fine) and extract the blob file. Put the blob file in teh same directory as your fastboot. Boot your TF300 into bootloader and enter:
fastboot -i 0x0B05 flash system blob
It will take a while to install, so be patient. Hope this helps
Click to expand...
Click to collapse
thanks a lot!!! it worked! i can enter the OS jb again!,thank you very much!Hope this can help others just like me.
but there is another question,can i flash other fireware like cm10 or downgrade the TF300T now?I do not like the JB OS,it is bed support on flash video.I need it.
jijitax4 said:
thanks a lot!!! it worked! i can enter the OS jb again!,thank you very much!Hope this can help others just like me.
but there is another question,can i flash other fireware like cm10 or downgrade the TF300T now?I do not like the JB OS,it is bed support on flash video.I need it.
Click to expand...
Click to collapse
Not yet. This fix is in the works. The new custom recoveries need to be modified for OTA JB first. Keep an eye on the development threads.
Sent from my Amazon Kindle Fire using Tapatalk 2
So if you put all these steps together...
1. Update to JB using OTA
2. Unlock
3. Flash TWRP
4. Flash extracted blob
You have an unlock/custom recovery method for those of us on JB am I correct?
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
TheAdamizer said:
So if you put all these steps together...
1. Update to JB using OTA
2. Unlock
3. Flash TWRP
4. Flash extracted blob
You have an unlock/custom recovery method for those of us on JB am I correct?
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
yes exactly! but you need flash the TWRP again after flash the extracted blob,or it will be the stock recovery.and then you can flash the ROOT.zip.So the device will be rootd.
So I own an Asus TF300T and I'm using Jelly Bean [Rooted 4.1.1]
Here are my current problem's.
1) I am unable to get CWM to work on it as it will install correctly through Fastboot but when I reboot into Recovery it will hang t the RCK screen. I don't know how to fix this as I've tried a few different recovery images, all of which were CWM.
2) When transferring via Bluetooth to my Nexus 7 the TF300T will reboot for some reason... same thing happens when I'm sending files from my N7 to the TF300T. Any idea's as to why this would be happening?
3) I am unable to reset my device to stock, has anyone else had this problem?
4) I have minor time's where the device will just reboot because of what I assume to be the processor taking on to much of a load from the Android OS. Is there a fix for this problem?
Any answer's or solution's would be helpful. Every time I find what I think to be a fix doesn't work...
1) What bootloader are you running from? [Edit: Sorry, forgot you mentioned you are on Jelly Bean there -- You will need to make sure the CWM is JB compatible (again look at the link I posted here for the CWM JB Recovery)] If you are on the new JB bootloader you have to have CWM recovery that recognizes this. I don't use CWM on my TF300, but you might try HERE to find info on that. I do know that TWRP version 2.2.1 and higher have a JB bootloader version. You can find it from their site HERE.
2) No clue on the bluetooth. I don't use the bluetooth transfer so I haven't ever tried this out.
3) By "reset device to stock" do you mean the Factory Wipe Data option from the boot menu, or something else? Please explain and I'll do what I can to assist.
4) I've had my device reboot a time or two for no reason, but I don't know enough about debugging things in the software to know what's going on.
-Nate
Hey nate, thx for the reply, but by "Reset to Stock" I mean ou download the original stock image and re-flash the original firmware...
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Rykugen said:
Hey nate, thx for the reply, but by "Reset to Stock" I mean ou download the original stock image and re-flash the original firmware...
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
Click to expand...
Click to collapse
Being that you are already on the Jelly Bean bootloader, you cannot flash any firmware to working condition that is not a Jelly Bean bootloader. This means that you can only flash 10.4.2.9 or 10.4.2.13 firmware versions. Anything else won't boot on the JB Bootloader. Also, the ZIP file you might download from the ASUS site requires it to be unzipped first. There is another zip file inside of the downloaded file that is used for the actual flashing process.
-Nate
Yup I know that part...
Just confused as to the process of getting it done...
I have some experience in flashing new firmware but with the TF300T I'm so confused xD
Sent from my ASUS Transformer Pad TF300T using xda app-developers app
There isn't anything "rocket-sciencey" to flashing on the TF300. If you have ever done any type of ROM flashing, the returning to Stock is the exact same way, just using the stock firmware file downloaded from ASUS.com. Find the firmware you want to load, download and unzip the file to a YY_epad-X.X.X.X_2012xxxx.zip where the YY is your location code (US more than likely) and the X.X.X.X is the version of the firmware you are loading up. The xxxx should say "user" if memory serves correct. Put it on your MicroSD and flash it like you would any normal custom ROM. Wipe Data, Wipe Cache, Flash ROM, Wipe Dalvik, Reboot. I'd be happy to put together a more fluid tutorial on this if needed.
-Nate
I didn't see anything from US so I tried WW.....
Sent from my Nexus 7 using xda app-developers app
If you go to asus.com and click on United States, then go to the Tablets and the TF300 download section the only ones available should say US. But I think WW should work, no guarantees though.
I'll try that today thx...
I'll post back later
Sent from my Nexus 7 using xda app-developers app
Hey guys,
So I recently did the procedure to enable NVflash on my TF700, and flashed the AndroidRoot bootloader in the process (over my stock .26). Unfortunately, I forgot to make a backup of the bootloader before doing that.
My question is, is there any way I can get back to a stock .26 bootloader now? A bootloader image file I can download somewhere? I want to do so to get back to stock .26 firmware and then upgrade to stock Jellybean.
Thanks
I'm really curious as to *why* you'd want to do this... If you just want to get to Jelly Bean with the stock bootloader, you can download the full JB firmware from Asus now (it's a FULL install, not just an upgrade like the OTA was) - it will replace the bootloader as well.
I just can't think of any valid reason to revert to the .26 bootloader just to get to get back to the stock bootloader in order to upgrade to JellyBean/stock bootloader.
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
So can I just run the Jellybean installer to return my tablet to stock (keeping bootloader unlocked of course)?
By the way I have TWRP recovery. So I need to change to stock recovery first to run that file, right?
dark42 said:
So can I just run the Jellybean installer to return my tablet to stock (keeping bootloader unlocked of course)?
By the way I have TWRP recovery. So I need to change to stock recovery first to run that file, right?
Click to expand...
Click to collapse
Actually, just installing the stock JB image from Asus will replace your bootloader and your recovery, so no need to change to stock recovery first...
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
jtrosky said:
Actually, just installing the stock JB image from Asus will replace your bootloader and your recovery, so no need to change to stock recovery first...
Sent from my ASUS Transformer Pad TF700T using Tapatalk 2
Click to expand...
Click to collapse
But I can't find a way to run the ASUS update, since I have TWRP recovery (seems like it requires a stock recovery)... If I start the update from within Android, it just takes me to TWRP. How do I run the file?
Never mind, I just tried installing the ASUS update file from within TWRP, to my great surprise it worked! I thought it was going to brick my tablet, honestly (I have an NVflash backup so no worries). Well, I'm happy, thanks for your help, jtrosky.
I have a strange problem. A while ago I successfully unlocked my infinity. That was before the jb update. I also successfully flashed custom recoveries and several roms. Didn't ran into any problems. When the official jb update came out, I restored original recovery and flashed a stock ics Rom, and after that successfully applied the jb update. The second update .30 also went smooth. I used the update file from Asus servers. Now I want to flash a custom recovery again in order to flash cleanrom. In adb I see my device and I can reboot with fastboot and stuff. So I think my drivers are ok. However as soon as I start to flash recovery.img it just says sending recovery and that's it. It just hangs there. Nothing happens. I tried everything, from changing usb ports and uninstalling drivers... It just can't send the recovery img. I use Scott's script to flash the recovery.blob. any ideas?
Sent from my HTC One X using xda app-developers app
might try the GOOManager in the play store
hillyard said:
might try the GOOManager in the play store
Click to expand...
Click to collapse
I can't use it because it needs root, and as long as I don't have a custom recovery I'm unable to root my stock jellybean Rom. Or is there already another way to root?
Sent from my HTC One X using xda app-developers app
glenner05 said:
I can't use it because it needs root, and as long as I don't have a custom recovery I'm unable to root my stock jellybean Rom. Or is there already another way to root?
Sent from my HTC One X using xda app-developers app
Click to expand...
Click to collapse
Are you saying you can not get TWRP or CWM installed ? or are you saying you do have one installed but no root ?
If it is the latter then can't you just flash a custom rom that has root built in ( like Baked ) then go back to twrp and now with root you can wipe and flash stock. ? I am sorry if I am miss understanding your question. But at least you get a free 'bump'
Thibor69 said:
Are you saying you can not get TWRP or CWM installed ? or are you saying you do have one installed but no root ?
If it is the latter then can't you just flash a custom rom that has root built in ( like Baked ) then go back to twrp and now with root you can wipe and flash stock. ? I am sorry if I am miss understanding your question. But at least you get a free 'bump'
Click to expand...
Click to collapse
He said he has no root (why he couldn't use Goomanger) and he can't flash recovery.
buhohitr said:
He said he has no root (why he couldn't use Goomanger) and he can't flash recovery.
Click to expand...
Click to collapse
Thats correct, i am trying to get custom recovery, after that root is no problem.
Edit: i just installed a clean windows 8 installation. So no old drivers left behind or other weird stuff. I put my transformer in fastboot mode, driver is automatically installed, i see it under device manager. Stillno luck.... it hangs saying sending recovery.... no error messages. My previous attempt was under win7.
Sent from my ASUS Transformer Pad TF700T using XDA Premium HD app
glenner05 said:
Thats correct, i am trying to get custom recovery, after that root is no problem.
Edit: i just installed a clean windows 8 installation. So no old drivers left behind or other weird stuff. I put my transformer in fastboot mode, driver is automatically installed, i see it under device manager. Stillno luck.... it hangs saying sending recovery.... no error messages. My previous attempt was under win7.
Sent from my ASUS Transformer Pad TF700T using XDA Premium HD app
Click to expand...
Click to collapse
Glenner, did you make sure you have the img file in the same folder as you fastboot/adb command files?
If it says "sending recovery", I'd assume that it found the local file.
I don't use Windows, but I always read about driver issues in Windows. Maybe the auto-installed driver is wrong? Does "fastboot devices" return question marks or nothing?
i'm happy to report that finally it worked! seemed something strange with drivers/USB ports after all. Despite i already changed USB ports under my win 7 installation, i tried it again under win8, and suddenly it worked. I didn't reinstall the drivers or something, all went automatically. So the strange issues are driver issues for sure. Anyway, currently happy running cleanrom 2.3
thanks for all your suggestions and thinking along.....
Sent from my ASUS Transformer Pad TF700T using XDA Premium HD app
Hello
So i decided that i was going to upgrade my bootloader from 4.1 to 4.2 so i could keep installing CM10.1 nightlies. I downloaded all the necessary files (Stock Asus, twrp2.5-42 and CM10.1 nightly), put them on my SD and rebooted into the bootloader. Here's where i think i screwed things up. While in the bootloader i accidently selected the Wipe Data option. It did completed teh wipe and booted into a fresh Andriod install. So i rebooted back into the bootloader and went into twrp and flashed the stock Asus update. After rebooting into hung (after 30 minutes) at the Asus screen with the spinning circle. I rebooted holding the power button and tried letting it load again and after another 30 min still "loading"
i can still get into the bootloader and twrp (fastbooted that back on) but i can't flash any ROM's successfully
My question is did i screw up the partition table or file system since i have read that this can happen. If so how can i verify this and can i fix it? IS there anyway to recover my tablet or am i going to have to pay Asus to fix it?
Thanks
No, no brick you have to flash stock Asus firmware blob via fastboot then flash latest twrp then flash Asus firmware in twrp
Sent from my sensational HTC Desire C
noahvt said:
No, no brick you have to flash stock Asus firmware blob via fastboot then flash latest twrp then flash Asus firmware in twrp
Sent from my sensational HTC Desire C
Click to expand...
Click to collapse
Tried that same result...see attached pic for my i think the partition might be screwed
Sent from my GT-I9000 using xda app-developers app
Why do you think it's screwed?
BTW if you used the correct version of twrp (-jb for 4.1 -4.2 for 4.2) it should have wiped them correctly!
Sent from my sensational HTC Desire C
noahvt said:
Why do you think it's screwed?
BTW if you used the correct version of twrp (-jb for 4.1 -4.2 for 4.2) it should have wiped them correctly!
Sent from my sensational HTC Desire C
Click to expand...
Click to collapse
Because it says tmpfs...which i think means temp file system
also i didn't do the wipe in twrp i did it in the bootloader
Yes, the bootloader contacts the recovery and the recovery peforms the wipe! If you have an older version of twrp: it doesn't know the partitions so it wipes Them wrong!
Sent from my Transformer Pad TF300T using xda app-developers app