First time flasher. Help needed. TF300TG - Transformer TF300T Q&A, Help & Troubleshooting

So my aging TF300TG is so slow, that i was gonna discard it for new hardware. As a last ditch effort i searched for a solution and found this forum.
But the more i read about flashing, the more worried i became. That's why i could use some help.
I have read the Beginners Guide and i've unlocked the bootloader (says "Bootloader is Unlocked" on reboot) and i've confirmed ADB and fastboot are working, by using "fastboot devices"
The next step is flashing a recovery. This is where i got scared. Posts like this warn that flashing the wrong recovery is disastrous and will likely brink my device. Also i can't seem to find a recovery that was made for the TF300TG, and i don't know if a TF300T variant will work or not. So please help me locate the best recovery.
I've read about NvFlash Flatline. What is this and should i do this before flashing recovery ? how does this prevent me from ever getting bricked ?
Some INFO that might help you. Please ask if more is needed.
I plan on using KatKiss - KatshMallow
Bootloader says "WW_epad-10.6.2.11-20131213" A03
Tablet is a TF300TG with stock android version 4.2.1 Jelly Bean
Thank you for taking the time to read, and hopefully respond to this post. I really would prefer to get it right the first time.

Took the plunge and just tried stuff without knowing if it would work, but it did. I now have a TF300TG, working as a TF300T running marshmallow.
I flashed
Code:
twrp_tf300t_kang_2.8.7.2.img
using fastboot and then followed the install instructions in KatKiss - KatshMallow post and it all worked like a charm.
Was a bit worried when formatting /DATA took 30 mins, but besides that the tablet is very fast and i've had no problems at all.

Thanks for posting this. I have a TF300TG too but never really used the mobile data capability and as a device it just never has been that useful for me, seemed good at the time I bought it . I have been looking at other options of installing linux etc but all project I could find are incomplete and dead. I thought I might be resigned to getting another device, so I was very pleased to see what you had done and have followed your lead. I am very happy with the Katkiss 6.0 ROM, it performs much better that the old Jellybean system, and using the Microsoft office apps I have everything I need to get useful jobs done easily.
Good job Brian & the KATKISS team, much appreciated!

Edit: useless post
Glad everything worked

Related

[Q] Need help, bad! Greatly Appreciated!

Okay, I rooted my TF101 B90 model and all was good. I installed rom manager and flashed its custom recovery and had that whole issue that the sd card wasn't read and such. After much frustration I finally tried Wheelie (Nvflash) and it keeps failing and now I have nothing on my tablet. I can get into APX mode and flashing the stock rom using many custom utilites always fails (Usually says something like command failure :go failure or could not load bootloader to device) I'm sure it's probably fixable, I just need someone to type it out for me (I'm pretty smart when it comes to Android but I'm honestly stumped right now) Or please redirect me to a post that could help, However I have read a lot of the posts about this and everyone is getting there's to work and I can't get mine. Thank you!!!
Andrew

[Q] Stuck @ Boot Screen

Hey Everyone
I've done quite a bit of reading and nothing seems to quite fit the issue I am having so I thought I'd post and seek help.
Some background info...I've unlocked the bootloader and also generated the NVFlash files when I first bought the tablet. It was running the stock ICS Rom. I had CWM Recovery and it was rooted.
I wanted to try a new ROM called BlueAndroid as I read it was really good. I followed all of the instructions and flashed from the sdcard. It appeared successful but when I went to restart the system, it kept boot looping at the ASUS Screen. Then I thought I'd just go back to what I had before by restoring it from CWM Recovery but to my surprise, it didn't work and now it isn't even looping, just stuck on the ASUS Screen.
I tried to fastboot CWM and TeamWin Recovery. Although they were both successful writes to the tablet, they won't load. I can only get to the fastboot screen where it shows the 'wipe data' and 'USB icon'. There used to be an Android Robot icon too but it is gone now.
I even tried to NVFlash. It worked but I'm still stuck on Asus Screen.
Lastly, when I select wipe data, it erases and the Team WIN logo appears for a split second and then it goes back to Asus Screen.
I keep reading something about the possibility of incorrect partitions but I have no idea what that means.
Any help would be greatly appreciated.
Thanks
A
P.S. In the meantime, is there any way to shut the tablet off? I've tried holding the power button down but it just reboots.
Solved: Used blobunpack to get bootloader files from the stock ICS ROM (blobunpack the blob file from the ROM). Then used NVFlash to download those files to tablet. Hope this helps others with same problem. I can elaborate more tomorrow...it is really late and very sleepy but relieved!
xxboarderxx said:
Hey Everyone
I've done quite a bit of reading and nothing seems to quite fit the issue I am having so I thought I'd post and seek help.
Some background info...I've unlocked the bootloader and also generated the NVFlash files when I first bought the tablet. It was running the stock ICS Rom. I had CWM Recovery and it was rooted.
I wanted to try a new ROM called BlueAndroid as I read it was really good. I followed all of the instructions and flashed from the sdcard. It appeared successful but when I went to restart the system, it kept boot looping at the ASUS Screen. Then I thought I'd just go back to what I had before by restoring it from CWM Recovery but to my surprise, it didn't work and now it isn't even looping, just stuck on the ASUS Screen.
I tried to fastboot CWM and TeamWin Recovery. Although they were both successful writes to the tablet, they won't load. I can only get to the fastboot screen where it shows the 'wipe data' and 'USB icon'. There used to be an Android Robot icon too but it is gone now.
I even tried to NVFlash. It worked but I'm still stuck on Asus Screen.
Lastly, when I select wipe data, it erases and the Team WIN logo appears for a split second and then it goes back to Asus Screen.
I keep reading something about the possibility of incorrect partitions but I have no idea what that means.
Any help would be greatly appreciated.
Thanks
A
P.S. In the meantime, is there any way to shut the tablet off? I've tried holding the power button down but it just reboots.
Solved: Used blobunpack to get bootloader files from the stock ICS ROM (blobunpack the blob file from the ROM). Then used NVFlash to download those files to tablet. Hope this helps others with same problem. I can elaborate more tomorrow...it is really late and very sleepy but relieved!
Click to expand...
Click to collapse
I had the same problem. I think it is bricked. I called ASUS, told them it was unlocked, they told me to ship it to them and they would fix it. I boxed it up, and shipped it off. Could not turn it off. Hope the box did not catch on fire.
OP, where were you a week ago when I "bricked" my tablet?
I had the -exact- same issue, btw, although with different circumstances. I can verify with 100% confidence that using NVFlash successfully restores the ICS bootloader. How I understand our situation is that when you tried to flash a ROM or anything based on JB over an ICS-device, it confuses things and causes issues. So you basically have to restore the ICS bootloader to get any progress.
But you hit the nail on the head describing my problem, although I would have ended up typing a dissertation to get across the same information you did. So touche on that
I used the same steps, as well. I blob unpacked my ICS stock firmware (.29 version from ASUS website). I used the boot.blob from my NVFlash files, along with the files I unpacked from the stock blob and flashed them over NVflash.
After a week of a useless tablet, I'm up and running.
I'm going to write a guide about my experience for anyone else and I would welcome your input sir.
I think you could mean a kind of recovery loop: There is a file called "command" on the cache partition which causes the recovery image to boot. But if the recovery is broken then it will not empty cache. The recovery will boot but does not update screen (showing just boot splash). On the next time it will boot again ...
Please be just carefully: "wipe data" in the fastboot menu will create the "command" file.
ScottBroker said:
I had the same problem. I think it is bricked. I called ASUS, told them it was unlocked, they told me to ship it to them and they would fix it. I boxed it up, and shipped it off. Could not turn it off. Hope the box did not catch on fire.
Click to expand...
Click to collapse
Sorry...if I could have made this attempt last week, I may have been able to help you then. :sly:
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
opethfan89 said:
OP, where were you a week ago when I "bricked" my tablet?
I had the -exact- same issue, btw, although with different circumstances. I can verify with 100% confidence that using NVFlash successfully restores the ICS bootloader. How I understand our situation is that when you tried to flash a ROM or anything based on JB over an ICS-device, it confuses things and causes issues. So you basically have to restore the ICS bootloader to get any progress.
But you hit the nail on the head describing my problem, although I would have ended up typing a dissertation to get across the same information you did. So touche on that
I used the same steps, as well. I blob unpacked my ICS stock firmware (.29 version from ASUS website). I used the boot.blob from my NVFlash files, along with the files I unpacked from the stock blob and flashed them over NVflash.
After a week of a useless tablet, I'm up and running.
I'm going to write a guide about my experience for anyone else and I would welcome your input sir.
Click to expand...
Click to collapse
Well, I'm sure you learned a lot during your experience of trying to get it working again - I know I did so that's a +1. I wasn't worried that my tablet was bricked because I was told that if I had the NVFLASH files, I could recover from anything save dropping it and breaking it that way. I was also able to connect to the PC using fastboot and adb so that was another positive.
If you write a guide, that would be great as while I was trying to piecemeal information together to get my tablet running again, there seemed to be dozens of people out there with a similar problem and being unable to get it working again and having to send it off to Asus. Would probably be a great contribution.
The one thing I learned though this ordeal is that the stock bootloader needs to be the same as the custom ROM before installing. I wish ROM guides would tell you this REALLY important fact...
Cheers
A
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
xxboarderxx said:
Well, I'm sure you learned a lot during your experience of trying to get it working again - I know I did so that's a +1. I wasn't worried that my tablet was bricked because I was told that if I had the NVFLASH files, I could recover from anything save dropping it and breaking it that way. I was also able to connect to the PC using fastboot and adb so that was another positive.
If you write a guide, that would be great as while I was trying to piecemeal information together to get my tablet running again, there seemed to be dozens of people out there with a similar problem and being unable to get it working again and having to send it off to Asus. Would probably be a great contribution.
The one thing I learned though this ordeal is that the stock bootloader needs to be the same as the custom ROM before installing. I wish ROM guides would tell you this REALLY important fact...
Cheers
A
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
Click to expand...
Click to collapse
Really? I didn't know that....that might explain why none of the ROM's I'm flashing will work.....
At this point, I'm just going to upgrade to the stock JB firmware and flash the new JB roms. I've got my NVFlash ICS files (which saved my frickin life) so I have no hesitations about doing anything, and I really understand the NVFlash process well having bricked myself so hard.
My guide is mostly done. I spent more time writing it than I did focusing on schoolwork so I will finish it up hopefully this weekend. It's rather long and quite details so I hope it will help everyone.
I was smiling as I read the first post, but this is going to come in real handy if I nuke my bootloader. Thanks. I wish I had gotten to this first, heh, I could have told you don't flash a Jellybean ROM over an ICS bootloader, it won't boot.
Good information to have though. Thank you!
opethfan89 said:
Really? I didn't know that....that might explain why none of the ROM's I'm flashing will work.....
At this point, I'm just going to upgrade to the stock JB firmware and flash the new JB roms. I've got my NVFlash ICS files (which saved my frickin life) so I have no hesitations about doing anything, and I really understand the NVFlash process well having bricked myself so hard.
My guide is mostly done. I spent more time writing it than I did focusing on schoolwork so I will finish it up hopefully this weekend. It's rather long and quite details so I hope it will help everyone.
Click to expand...
Click to collapse
:good:
Just giving some advice to those who may jump in late, DO NOT use the "wipe data" method from holding volume down. This method relies on Asus' stock recovery image. And it somehow screws everything up when you do it on a non Asus' recovery.. Not sure why but dont ever use that
elesbb said:
Just giving some advice to those who may jump in late, DO NOT use the "wipe data" method from holding volume down. This method relies on Asus' stock recovery image. And it somehow screws everything up when you do it on a non Asus' recovery.. Not sure why but dont ever use that
Click to expand...
Click to collapse
You can do it if you have a custom recovery already flashed like TWRP or CWM. But I agree with you - after you start having a basic understanding of Android customization, there's no reason why you would want to use 'wipe data' from the volume down+power.
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
elesbb said:
Just giving some advice to those who may jump in late, DO NOT use the "wipe data" method from holding volume down. This method relies on Asus' stock recovery image. And it somehow screws everything up when you do it on a non Asus' recovery.. Not sure why but dont ever use that
Click to expand...
Click to collapse
That finally explains why it wouldn't work, thank you for elaborating on that!!
Is there a guide on how to get the stock recovery back, or does it automatically get flashed when you flash stock?
opethfan89 said:
That finally explains why it wouldn't work, thank you for elaborating on that!!
Is there a guide on how to get the stock recovery back, or does it automatically get flashed when you flash stock?
Click to expand...
Click to collapse
Automatically gets flashed when you flash stock.
Sent from my ASUS Transformer Pad TF300T using Tapatalk HD
If you are in recovery loop you cannot go into the fastboot menu. The only way to get the stock recovery back is to use nvflash.

[Q] Tf700t update help

Hi, guys and gals!
I'm new to the forums, I had a question to ask and I apologize now if this might be too broad or maybe just a stupid question(s).
So, I have a ASUS transformer infinity, the Tf700t tablet which is on the 10.6.1.14.4-20130329
And i've been looking around to figure how why the hell this thing is so slow!, And over researching everyone seems to ultimately point to downloading custom roms like updating the tablet with these i guess jailbreaking methods.
A couple months ago I managed to unlock my device (when I load up the tablet, when it says ASUS on the top left if says this device is unlocked).
Now my question is, I found this CROMI-X, forum on this website that tells you how upgrade the device, and it keeps telling me to root my device, which I can't seem to find anywhere the most recent on for the build that i am on (10.6.1.14.4), also I've downloaded TWRP and i was suppost to make a recovery img or something a ".blob" and it was asking me to write down the exact name of my tablet and I can't seem to find where that is, and i guess you can say I got cold feet to accept since it said that my device can get bricked, SO my question would be, is there any kind of guide out there with the latest updates i'm assuming kitkat? for noobies like me or maybe a video tutorial on how to do all this.
Cause i literally only have my device unlocked, I don't think i've actually rooted my device.
But yea that's about it, sorry if im asking for too much i thought this would be my only hope on making this tablet worth my while, cause this thing wont stop lagging (i've tried cold booting and restoring this thing like 10 times nothing seems to be doing the trick).
Thanks again
duperdavid said:
Hi, guys and gals!
I'm new to the forums, I had a question to ask and I apologize now if this might be too broad or maybe just a stupid question(s).
So, I have a ASUS transformer infinity, the Tf700t tablet which is on the 10.6.1.14.4-20130329
And i've been looking around to figure how why the hell this thing is so slow!, And over researching everyone seems to ultimately point to downloading custom roms like updating the tablet with these i guess jailbreaking methods.
A couple months ago I managed to unlock my device (when I load up the tablet, when it says ASUS on the top left if says this device is unlocked).
Now my question is, I found this CROMI-X, forum on this website that tells you how upgrade the device, and it keeps telling me to root my device, which I can't seem to find anywhere the most recent on for the build that i am on (10.6.1.14.4), also I've downloaded TWRP and i was suppost to make a recovery img or something a ".blob" and it was asking me to write down the exact name of my tablet and I can't seem to find where that is, and i guess you can say I got cold feet to accept since it said that my device can get bricked, SO my question would be, is there any kind of guide out there with the latest updates i'm assuming kitkat? for noobies like me or maybe a video tutorial on how to do all this.
Cause i literally only have my device unlocked, I don't think i've actually rooted my device.
But yea that's about it, sorry if im asking for too much i thought this would be my only hope on making this tablet worth my while, cause this thing wont stop lagging (i've tried cold booting and restoring this thing like 10 times nothing seems to be doing the trick).
Thanks again
Click to expand...
Click to collapse
Hey there I can help you get this taken care of why dont we move to email
Shoot me an email at [email protected] and we can get you on your way :good:
lj50036 said:
Hey there I can help you get this taken care of why dont we move to email
Shoot me an email at [email protected] and we can get you on your way :good:
Click to expand...
Click to collapse
Just send you a email, thanks again for taking the time to help me out I really appreciate it!
lj50036 said:
Hey there I can help you get this taken care of why dont we move to email
Shoot me an email at [email protected] and we can get you on your way :good:
Click to expand...
Click to collapse
Maybe other users may be benefit if the information is here, don't you think? :silly::laugh:
LetMeKnow said:
Maybe other users may be benefit if the information is here, don't you think? :silly::laugh:
Click to expand...
Click to collapse
I always try to get the user to post what fixed it in the end.:angel:
But now we have moved to team viewer.....
I give better support than asus.... :good:
lj50036 said:
I always try to get the user to post what fixed it in the end.:angel:
But now we have moved to team viewer.....
I give better support that asus.... :good:
Click to expand...
Click to collapse
Everyone knows how bad the stock Asus comparing to your Crombi-kk, haha...:laugh:
@lj50036 that you find and take the time to answer questions like these is nothing short of amazing considering the work you put in for this tablet. My hat goes off to you, Sir!
I think we can mark this thread as SOLVED
The Solution
So here is what we did
@duperdavid has his tablet unlocked already....:good:
All I did was help him install fastboot, adb, and Windows drivers which can be tricky.....
We than installed TWRP with fastboot
Code:
fastboot -i 0x0B05 flash recovery twrp.blob
Than we got him a ROM and a GAPPS
Made a backup with twrp.... Than did a full wipe of internal...
Than he did not have a sd card so we pushed the rom and gapps onto the tablet while it was booted into twrp
Code:
adb push nameoffile.zip /sdcard
Than we flashed new rom & gapps
booted into Rom !!!!! Win
We backed up his Nvflash blobs also
lj50036 said:
So here is what we did
@duperdavid has his tablet unlocked already....:good:
All I did was help him install fastboot, adb, and Windows drivers which can be tricky.....
We than installed TWRP with fastboot
Code:
fastboot -i 0x0B05 flash recovery twrp.blob
Than we got him a ROM and a GAPPS
Made a backup with twrp.... Than did a full wipe of internal...
Than he did not have a sd card so we pushed the rom and gapps onto the tablet while it was booted into twrp
Code:
adb push nameoffile.zip /sdcard
Than we flashed new rom & gapps
booted into Rom !!!!! Win
We backed up his Nvflash blobs also
Click to expand...
Click to collapse
Wow, that is a lot of helps in one session....:good: I really like the Nvflash blobs parts...:laugh:
lj50036 said:
Than we got him a ROM and a GAPPS
Click to expand...
Click to collapse
I think that the Crombi-kk is the best right now, haha...:silly:

[Q] SOLVED: Help - KitKat upgrade from stock... ish.

So, I did a stupid thing this morning. I spent the last, probably, five hours backing up all of my apps and data from my TF300, and once that was all done, I wiped the data on my tablet. "What makes that stupid?" What makes that stupid is, it was a miracle that I ever actually managed to root this thing in the first place, and now, I don't know a) if it's still rooted (I doubt it), and b) if I'm even mentally capable of rooting it again (I doubt it).
So, here's my situation, and if someone could just dumb down the steps for me and point me in the right direction, that's all I need. I got my tablet, I don't know, probably early 2012. I can tell you that the tablet is on ICS 4.0.3, and the build number is 9.4.3.29-20120511. It's also unlocked, I don't know if that needed to be mentioned. Now, things are better since I wiped the data on this mother, but ICS, on this tablet in particular, is slow as balls, and I'm done with it, I want KitKat. But I am so far beyond lost after what I did that if I try to work my own way out of it, I'm going to brick this thing.
I wiped the data because I was trying to do something involving the Fastboot menu or something like that. Whenever I selected the USB icon and hit up on the volume strip, the tablet just locks cold. I figured whatever caused that, would probably go away with a data wipe. It didn't. So now my data's gone, my apps are gone, my tablet's not rooted anymore, I have no idea how to get to KitKat, I can't sleep at night, it burns when I pee... let's focus on the tablet stuff for now, I'm signed up to some forums for the other stuff.
I know most of the people that read this topic will be inclined to say, "You're an idiot, read this, this, and this, and take care of it yourself." I know I'm Androidiot, and I'm humbly asking for help. Again, I'm just petrified of following the wrong topic and ruining the whole thing, so if someone could tell me how I'd go about upgrading my tablet from stock ICS to KitKat, I'd appreciate the hell out of it.
Just a little bump, not too big... no love for Tim?
Normally, you need to install the latest stock ROM from ASUS in order to recover a functional device & by the way upgrade your bootloader.
Things done, you can proceed to install recovery and kitkat.
Better explanations here : http://forum.xda-developers.com/showpost.php?p=53738192&postcount=2
zlazaar said:
Normally, you need to install the latest stock ROM from ASUS in order to recover a functional device & by the way upgrade your bootloader.
Things done, you can proceed to install recovery and kitkat.
Better explanations here : http://forum.xda-developers.com/showpost.php?p=53738192&postcount=2
Click to expand...
Click to collapse
Thank you, Zlazaar!
Well, it seems that after my device was wiped, it still didn't remove CWM as a bootloader or whatever, I don't know what I'm saying. When I hold down the power and volume down buttons, I could wait like ten seconds for fastboot, or I could tap vol up to enter the "RCK" menu. I don't know what that means. But I go into it, and I'm at the CWM menu, I think it was 5.5.0.4. You probably know better than me if I need to do anything further than that with CWM, but I should be good on that, right?
I'm almost going to go to the sites that you mentioned to download files and get more information on how to use it all. I appreciate your help, because without it, I'm sitting on an unrooted stock ROM with only most of my apps, because oh yeah, like 70 apps forgot to transfer with that backup I did... so, whoopee.
Thank you again, buddy!
The goal is kitkat, right ?
So, in order to get it you need 2 important things :
1- The latest bootloader, yours can't handle kitkat.
2- a custom recovery supporting kitkat, i.e i'm using TWRP 2.7.1.0 (link in my signature), your CWM is outdated.
The only way i know to update the bootloader is to flash Stock ROM via fastboot as described in tutorial.
I got some really stupid questions... apparently it's been entirely too long since I've messed with any of this.
What's a bootloader? I know mine's unlocked, but I didn't know there were versions of it. Is it the blob file I got from Asus?
And I have my tablet hooked up to my PC, it's on the fastboot menu wait for input from USB. When I go to the command prompt, I've tried to push TWRP to the device, but when I start a command with "adb push," it just tells me that it doesn't know what to do with that command. Same thing happened with fastboot, but then I realize I didn't have fastboot installed, so I tried to install it and it complained about a missing dll file on my computer, and I think I'm about ready to give up. lol
Here is the driver : Universal Naked Driver
After install, you can use fastboot and complet other steps.
Tim 13 said:
I got some really stupid questions... apparently it's been entirely too long since I've messed with any of this.
What's a bootloader? I know mine's unlocked, but I didn't know there were versions of it. Is it the blob file I got from Asus?
And I have my tablet hooked up to my PC, it's on the fastboot menu wait for input from USB. When I go to the command prompt, I've tried to push TWRP to the device, but when I start a command with "adb push," it just tells me that it doesn't know what to do with that command. Same thing happened with fastboot, but then I realize I didn't have fastboot installed, so I tried to install it and it complained about a missing dll file on my computer, and I think I'm about ready to give up. lol
Click to expand...
Click to collapse
Ok Tim so the GOAL IS: 4.4 KITKAT CORRECT?
This is the process overview. This is a review.
Step 1 Upgrade the bootloader. Why? Inorder to flash a 4.4 rom you need a Jelly Bean 4.2 bootloader. How? Do as zlazarr suggests by flashing the lastest stock version V10.6.1.27.5 on your tf300t. Flashing the latest stock rom will update your bootloader. And here's another helpful guide.
http://www.theandroidsoul.com/how-to-restore-asus-transformer-tf300t-back-to-stock/ Remember that the SKU has to match!
Step 2 Follow this guide.
http://www.transformerforums.com/fo...nstall-roms-tf300-jelly-bean-kitkat-roms.html
It guides you on how to unlock your bootloader which you already have and it shows you how to install twrp. After installing twrp MAKE A BACKUP!
NOTE: If using the command method on the link fails repetitively use the app rashr to install the twrp version in the link
Step 3 Upgrade twrp to vr 2.7.0.0 or higher. Refer to step 2 link on the post about 4.4 kitkat.
Step 4 Install a 4.4 kk rom. I recomend the lastest snapshot of Cyanogen Mod 11. The download is on their wiki.
And then your done! Don't give up! The hardest part I find is using the command prompt! Look for work arounds. AND SEARCH FOR METHODS!
Goodluck
b..c said:
Ok Tim so the GOAL IS: 4.4 KITKAT CORRECT?
This is the process overview. This is a review.
Step 1 Upgrade the bootloader. Why? Inorder to flash a 4.4 rom you need a Jelly Bean 4.2 bootloader. How? Do as zlazarr suggests by flashing the lastest stock version V10.6.1.27.5 on your tf300t. Flashing the latest stock rom will update your bootloader. And here's another helpful guide.
http://www.theandroidsoul.com/how-to-restore-asus-transformer-tf300t-back-to-stock/ Remember that the SKU has to match!
Step 2 Follow this guide.
http://www.transformerforums.com/fo...nstall-roms-tf300-jelly-bean-kitkat-roms.html
It guides you on how to unlock your bootloader which you already have and it shows you how to install twrp. After installing twrp MAKE A BACKUP!
NOTE: If using the command method on the link fails repetitively use the app rashr to install the twrp version in the link
Step 3 Upgrade twrp to vr 2.7.0.0 or higher. Refer to step 2 link on the post about 4.4 kitkat.
Step 4 Install a 4.4 kk rom. I recomend the lastest snapshot of Cyanogen Mod 11. The download is on their wiki.
And then your done! Don't give up! The hardest part I find is using the command prompt! Look for work arounds. AND SEARCH FOR METHODS!
Goodluck
Click to expand...
Click to collapse
Okay, so I've started work on this finally, but I think I might be having some trouble. I flashed the latest stock ROM onto my baby and restarted the tab like the article said, but now it's taking a very long time to load. I don't know if it's supposed to be taking this long, considering I'm pretty sure it wiped the data on it (flashing a ROM wipes data, doesn't it?), so I'd assume that removing the weight of those apps would make startup lightning quick.
I have the ASUS logo and the spinny circle. And it's just spinning and spinning and spinning and spinning. Is this a problem?
I'm going to let it spin spin spin spin spin for like five more minutes, and then I might go cry for a while.
EDIT: I cried too soon, it loaded for a long time then came to a menu that says "Android is upgrading..." and it's optimizing the apps, or apptimizing, that were apparently NOT wiped when I flashed a new ROM. lol, so I'm back on track. So far, so good. Thank you for the detailed guide, I appreciate it!
Further edit: And I'm also done rooting and flashing to KK 4.4. Thank you for dumbass-proofing the process for me, it is incredibly highly appreciated. I didn't kill my tablet!
Tim 13 said:
Okay, so I've started work on this finally, but I think I might be having some trouble. I flashed the latest stock ROM onto my baby and restarted the tab like the article said, but now it's taking a very long time to load. I don't know if it's supposed to be taking this long, considering I'm pretty sure it wiped the data on it (flashing a ROM wipes data, doesn't it?), so I'd assume that removing the weight of those apps would make startup lightning quick.
I have the ASUS logo and the spinny circle. And it's just spinning and spinning and spinning and spinning. Is this a problem?
I'm going to let it spin spin spin spin spin for like five more minutes, and then I might go cry for a while.
EDIT: I cried too soon, it loaded for a long time then came to a menu that says "Android is upgrading..." and it's optimizing the apps, or apptimizing, that were apparently NOT wiped when I flashed a new ROM. lol, so I'm back on track. So far, so good. Thank you for the detailed guide, I appreciate it!
Further edit: And I'm also done rooting and flashing to KK 4.4. Thank you for dumbass-proofing the process for me, it is incredibly highly appreciated. I didn't kill my tablet!
Click to expand...
Click to collapse
Hi Tim13,
I'm glad to hear that everything went well and my guide helped you!:good: And to answer your question flashing doesn't wipe your data. You have to manually wipe it. And lol:laugh::good: that you didn't kill your tab. I hope you find your tab faster and useful again!
It's just as slow and useless as it was. But honestly, the flashing process was fun, and I learned from it. Plus, TWRP and Cyanogen mod are awesome, and now I know that. lol
Great to see you up and running @Tim 13 :good:
Can you add SOLVED to the thread title
Thx Josh
No, I'm not gonna do that.
I'm just kidding. You're all right, darling. :good:
Edit: Actually, not being a douche, I can't figure out how to edit the thread title. I went to edit the first post and I can't change the title of the post... I'm gonna look around for how to do it a bit more but after that I'm gonna go to bed.
DOUBLE EDIT: Got it, as you can see. Thanks to all that helped out!

From very old to new Custom Rom

Hello guys,
I've been playing around with custom roms some time ago and I know some basics but since that time (that was about 1 year ago) i haven't been updating my tf300t at all.
Unfortunately my tablet started lagging a bit. I came with idea that new fresh rom might solve this problem so i came back to xda site where i found that a lot has changed since my last visit. My tablet currently works on 4.1.1 Android CleanRom Inheretiance 10.4.4.25, recovery i got installed is ClockworkMod v6.0.1.4. I belive this setup is little outdated. I'd like to install this rom
http://forum.xda-developers.com/transformer-tf300t/development/rom-t2817919
How ever all installation guides are created for clean Asus rom, i couldn't find any guide how to install it from the point I currently am not to mention I have no idea what actually bootloader verion I've got, I simply don't remember that. Guessing its 4.1 but how can i be sure that.
Could someone give me some tips ?
krakuus said:
Hello guys,
I've been playing around with custom roms some time ago and I know some basics but since that time (that was about 1 year ago) i haven't been updating my tf300t at all.
Unfortunately my tablet started lagging a bit. I came with idea that new fresh rom might solve this problem so i came back to xda site where i found that a lot has changed since my last visit. My tablet currently works on 4.1.1 Android CleanRom Inheretiance 10.4.4.25, recovery i got installed is ClockworkMod v6.0.1.4. I belive this setup is little outdated. I'd like to install this rom
http://forum.xda-developers.com/transformer-tf300t/development/rom-t2817919
How ever all installation guides are created for clean Asus rom, i couldn't find any guide how to install it from the point I currently am not to mention I have no idea what actually bootloader verion I've got, I simply don't remember that. Guessing its 4.1 but how can i be sure that.
Could someone give me some tips ?
Click to expand...
Click to collapse
Hi Krakus.
Since you are quite a bit behind on this I suggest you start from the beginning completely.
The first step would be to download the correct 4.2 Firmware. Unzip it once and flash it in your current recovery. Doing this will replace TWRP with the original stock recovery and you will need to start again.
I recommend my full guide for beginners located over at transformer forums http://www.transformerforums.com/fo...nstall-roms-tf300-jelly-bean-kitkat-roms.html
Most of the ones here don't have everything in one place or are outdated and one wrong move can turn into a very difficult situation.
Please give the guide a read and feel free to message me on either forum (I have the same username on both) we have quite a few very helpful XDA tf300 and tf700 members over there including some who develop and test new ROMs.
Good luck.
PS. ROMs have come soo far since back then you won't even believe it!

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