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[Q] something like CMInstaller for my TF700?

Hi guys,
I'm a total noob regarding ROMs, root, etc..
My Infinity is getting really laggy, and I really need to bring it to a new life..
I was looking for an ideal CMInstaller situation like i used on my Galaxy Note N7000.. This little app is great cuz it does everything for us and noob users like myself don't need to be afraid to brick their devices..
Is there any really easy solution like this so I can safely flash my TF700?
TIA.

I think the answer is yes and no
I run CROMI-X on this tablet, but recently I download the latest CM and the link provided kept bouncing me to the Playstore to dl an installer app. I prefer to use my recovery, so I did not use it. But that's probably what you are looking for.
The thing is, on this device first you need to unlock the bootloader and push a custom recovery to it before you can even use an installer app. You also need to make sure that you have the correct bootloader installed before you flash the CM rom.
Check out the CM thread in the Development section.

CMInstaller so far is only compatible to most common Galaxy and nexus devices, and htc one.
http://wiki.cyanogenmod.org/w/CyanogenMod_Installer#Supported_Devices
I am honestly afraid to flash my device without assistance because there are so many things to do and none of it seems easy.. I'm bootloader unlocked running stock 4.1.2, and the steps needed to take scare me..
1 - update to stock 4.2.1 (according to what I've read..)
2 - Root
3 - NVFlash
4 - Custom recovery
5 - Custom ROM
I don't even know if these steps are in proper order, but seems that so many things could go wrong.. Could you help me doing this easily and problem free? I need to do something to take full advantage of my TF700.. It clearly isn't working properly on stock.
Thanks.

madz78 said:
CMInstaller so far is only compatible to most common Galaxy and nexus devices, and htc one.
http://wiki.cyanogenmod.org/w/CyanogenMod_Installer#Supported_Devices
I am honestly afraid to flash my device without assistance because there are so many things to do and none of it seems easy.. I'm bootloader unlocked running stock 4.1.2, and the steps needed to take scare me..
1 - update to stock 4.2.1 (according to what I've read..)
2 - Root
3 - NVFlash
4 - Custom recovery
5 - Custom ROM
I don't even know if these steps are in proper order, but seems that so many things could go wrong.. Could you help me doing this easily and problem free? I need to do something to take full advantage of my TF700.. It clearly isn't working properly on stock.
Thanks.
Click to expand...
Click to collapse
I recently wrote a tutorial on Android Central for people who are new to flashing. Check it out and if anything is left unclear - ask
http://forums.androidcentral.com/as...6920-tutorial-flashing-custom-rom-tf700t.html

Hi, I read the tutorial and I already have some questions even before i start..
- Can't my device be rooted? I believe I need root for apps to access superuser, and for performance menu (or overclock).
- Where's NVFlash? If NVFlash avoids bricking my device I believe this is a MUST have if I intend to grow and experiment different recoveries, kernels and ROMs.
- My device FW ver. is 10.4.4.18, do I need to update to 10.6.1.14.10 in order to continue, or can i do it from 10.4.4.18 and still take advantage of the loophole Motochopper exploited to gain root on this device?
Thanks.

madz78 said:
Hi, I read the tutorial and I already have some questions even before i start..
- Can't my device be rooted? I believe I need root for apps to access superuser, and for performance menu (or overclock).
- Where's NVFlash? If NVFlash avoids bricking my device I believe this is a MUST have if I intend to grow and experiment different recoveries, kernels and ROMs.
- My device FW ver. is 10.4.4.18, do I need to update to 10.6.1.14.10 in order to continue, or can i do it from 10.4.4.18 and still take advantage of the loophole Motochopper exploited to gain root on this device?
Thanks.
Click to expand...
Click to collapse
You don't need to be rooted to flash a custom ROM. You can root from 14.8 as you don't need to go to 14.10. If you are on 10.4.4.18 you are on a really old boot loader for 4.1 and will need to upgrade if you want to unlock and flash the latest ROMs.

madz78 said:
Hi, I read the tutorial and I already have some questions even before i start..
- Can't my device be rooted? I believe I need root for apps to access superuser, and for performance menu (or overclock).
- Where's NVFlash? If NVFlash avoids bricking my device I believe this is a MUST have if I intend to grow and experiment different recoveries, kernels and ROMs.
- My device FW ver. is 10.4.4.18, do I need to update to 10.6.1.14.10 in order to continue, or can i do it from 10.4.4.18 and still take advantage of the loophole Motochopper exploited to gain root on this device?
Thanks.
Click to expand...
Click to collapse
Jeez - where did you dig up this version? I believe that was one of the first JB versions? Yes, Motochopper should work, but: Why root if you can't use Goo Manager to get a custom recovery installed? If that is your goal....
Yes, you can just root the stock ROM, but it does not give you that many options to improve the performance of this tablet. And any custom rom is rooted - so why bother?
To have NVflash is great and a wonderful reassurance and I do flash with greater abandon since I got them, but generating the blobs was the most stressful procedure in my limited flashing experience.
I don't know how comfortable you are with using cmd and fastboot - but I sure was glad to have some experience with flashing recoveries and such before I started it!
Generating the NVflash blobs involves flashing a bootloader and recovery build just for that procedure, so you need to know how to flash those in the first place (and how to flash back to your daily driver recovery/bootloader afterrwards).
There's nowhere for you to go without a custom recovery. Start with that.
I have no idea if the recovery most of us use (TWRP 2.6.1 or 2.6.3.1 - both are fine) works with the BL you currently have.
So I would update to the latest firmware, fastboot TWRP and then install CROMi-X.
You can dive into getting your NVflash blobs as soon as you have TWRP installed - that's up to you.
Edit: sbdags was faster - as usual
So there you have it: You have to update your stock firmware before you install TWRP

Wow guys.. This is why i never flash anything since bada on my Wave..
It's all so technical, confusing and intimidating.. God!!
Ok. I really need to start understanding this, so, if I got it right, I don't need to root because the custom ROM is already rooted.. Good!
Now the hard part. Please be patient and gentle, explain me like I'm 5 yo child.
- If I understood correctly first thing is upgrade FW, but to which FW should i upgrade? 10.6.1.14.10 or 10.6.1.14.8? If custom ROM is rooted, does the FW matter or not?
- Next comes recovery. Again, which one should I choose? (sdbags your opinion would be really important for me here, considering CROMi-X 5.2.2 is developed by you and the ROM i chose)
- I think I'll leave any ROM questions for later, after i finally understand these first 2 steps.
Also, regarding NVFlash, what the bleep is blobs? I'm comfortable with cmd but never used fastboot.
Thanks again!

madz78 said:
Wow guys.. This is why i never flash anything since bada on my Wave..
It's all so technical, confusing and intimidating.. God!!
Click to expand...
Click to collapse
Naaah - if I understood it, it can't be technical Just take your time, read - Google is your friend.
Ok. I really need to start understanding this, so, if I got it right, I don't need to root because the custom ROM is already rooted.. Good!
Click to expand...
Click to collapse
See? You got that right already.
Now the hard part. Please be patient and gentle, explain me like I'm 5 yo child.
- If I understood correctly first thing is upgrade FW, but to which FW should i upgrade? 10.6.1.14.10 or 10.6.1.14.8? If custom ROM is rooted, does the FW matter or not?
Click to expand...
Click to collapse
It does not matter. As long as you upgrade to a 10.6.1.x version, your bootloader will be compatible with TWRP 2.6.1 or 2.6.3.1 - see below.
- Next comes recovery. Again, which one should I choose? (sdbags your opinion would be really important for me here, considering CROMi-X 5.2.2 is developed by you and the ROM i chose)
- I think I'll leave any ROM questions for later, after i finally understand these first 2 steps.
Click to expand...
Click to collapse
sbdags is currently recommending TWRP 2.6.1. That is the version he included in the bootloader/TWRP package he provides in the OP (Original Post) of the CROMi-X thread.
To elaborate: In flashing custom roms the most important aspect is that you always have a compatible bootloader/recovery combination. You use your recovery to flash roms, bootloaders, kernels, wipe all or part of your SD card - the works.
If your recovery gets corrupted but you can still boot into the bootloader, you can install a new recovery using the fastboot protocol (which provides low level access from your computer). If your bootloader gets corrupted (and the most common cause is the wrong recovery) and you cannot boot into recovery, NVflash is your last chance to recover the tablet because: no bootloader = no fastboot access.
The easiest way to get a current bootloader in your situation would be to upgrade your stock firmware. The risk for something to go wrong is close to negative 1
Then you would download TWRP 2.6.1 for the TF700 from the Teamwin website and use the fastboot protocol to install it to it's proper partition.
Risk level is very low if you can follow the instructions in my little tutorial or in the Minimal ADB Fastboot Tool thread.
Once you have TWRP installed (and you tested that it's working) you could - and this is totally optional - flash the bootloader/TWRP package from sbdags OP. Just to make 100% sure you are on the correct combo.....
Also, regarding NVFlash, what the bleep is blobs? I'm comfortable with cmd but never used fast boot.
Thanks again!
Click to expand...
Click to collapse
A blob is a file - better: an image. Binary Large Object is the origin, I believe. For a technical explanation don't ask me! Go here:
http://en.m.wikipedia.org/wiki/Binary_large_object
If you look into the Asus firmware zip file, inside is a blob and a meta data file (if memory serves me right). The blob is the system image.

What if while you are flashing a firmware and your power supply is reaching 0%, could it be a high risk? :silly:

LetMeKnow said:
What if while you are flashing a firmware and your power supply is reaching 0%, could it be a high risk? :silly:
Click to expand...
Click to collapse
Damn you! I was trying to reassure this chap! LOL
There's no remedy for stupidity - so as a scientist you just ignore what you can't account for, right?

berndblb said:
Damn you! I was trying to reassure this chap! LOL
There's no remedy for stupidity - so as a scientist you just ignore what you can't account for, right?
Click to expand...
Click to collapse
Just asked a question and thanks for helping... Hahaha:laugh:

LetMeKnow said:
Just asked a question and thanks for helping... Hahaha:laugh:
Click to expand...
Click to collapse
Yes, a just a little, totally correct but diabolical question.....
Didn't know you had that evil streak in you, friend

berndblb said:
Yes, a just a little, totally correct but diabolical question.....
Didn't know you had that evil streak in you, friend
Click to expand...
Click to collapse
I am trying to relax from a long day of work and tiring of tweaking my device... I am looking for someone to talk to.. Maybe, I need to give up my device and back to my normal boring life...

berndblb said:
Naaah - if I understood it, it can't be technical Just take your time, read - Google is your friend.
See? You got that right already.
It does not matter. As long as you upgrade to a 10.6.1.x version, your bootloader will be compatible with TWRP 2.6.1 or 2.6.3.1 - see below.
sbdags is currently recommending TWRP 2.6.1. That is the version he included in the bootloader/TWRP package he provides in the OP (Original Post) of the CROMi-X thread.
To elaborate: In flashing custom roms the most important aspect is that you always have a compatible bootloader/recovery combination. You use your recovery to flash roms, bootloaders, kernels, wipe all or part of your SD card - the works.
If your recovery gets corrupted but you can still boot into the bootloader, you can install a new recovery using the fastboot protocol (which provides low level access from your computer). If your bootloader gets corrupted (and the most common cause is the wrong recovery) and you cannot boot into recovery, NVflash is your last chance to recover the tablet because: no bootloader = no fastboot access.
The easiest way to get a current bootloader in your situation would be to upgrade your stock firmware. The risk for something to go wrong is close to negative 1
Then you would download TWRP 2.6.1 for the TF700 from the Teamwin website and use the fastboot protocol to install it to it's proper partition.
Risk level is very low if you can follow the instructions in my little tutorial or in the Minimal ADB Fastboot Tool thread.
Once you have TWRP installed (and you tested that it's working) you could - and this is totally optional - flash the bootloader/TWRP package from sbdags OP. Just to make 100% sure you are on the correct combo.....
A blob is a file - better: an image. Binary Large Object is the origin, I believe. For a technical explanation don't ask me! Go here:
http://en.m.wikipedia.org/wiki/Binary_large_object
If you look into the Asus firmware zip file, inside is a blob and a meta data file (if memory serves me right). The blob is the system image.
Click to expand...
Click to collapse
The Asus blob actually contains the system image, kernel, recovery, bootloader and partition table.

TF300T rooting question

Hello everyone.
The reason i am making this thread is to ask the ladies and gentlemen of this forum a bit of a noobish question.I have had for awhile now a Asus Transformer TF300T.It is completely stock and unrooted.I wish to get it rooted so i can use a certain number of apps and maybe in the future try to flash a different ROM for the first time.I have been reading about it on the forum and have sadly been overwhelmed by the number of threads,each saying something else(dont use this method if you have this version,dont use that method if your tablet is not 10.6.1.27 etc).
So i would like to provide you with the screenshot of my tablets specs and ask you to point me in the direction of the thread/post which i can use to root my specific version of the device.If you need any more information tell me what you need and i will do my best to provide it.
Thank you for your time,and please forgive me for any grammar mistakes i might have made,since english is not my native language.

Exprince said:
Hello everyone.
The reason i am making this thread is to ask the ladies and gentlemen of this forum a bit of a noobish question.I have had for awhile now a Asus Transformer TF300T.It is completely stock and unrooted.I wish to get it rooted so i can use a certain number of apps and maybe in the future try to flash a different ROM for the first time.I have been reading about it on the forum and have sadly been overwhelmed by the number of threads,each saying something else(dont use this method if you have this version,dont use that method if your tablet is not 10.6.1.27 etc).
So i would like to provide you with the screenshot of my tablets specs and ask you to point me in the direction of the thread/post which i can use to root my specific version of the device.If you need any more information tell me what you need and i will do my best to provide it.
Thank you for your time,and please forgive me for any grammar mistakes i might have made,since english is not my native language.
Click to expand...
Click to collapse
You have Android 4.2, which means you can flash JellyBean or KitKat ROMs. For JellyBean ROMs, you will need TWRP 2.6.3.0 - 42. For KitKat ROMs, you will need TWRP 2.6.3.2, available in the threads of those ROMs.
Also good tip: Never press Wipe Data in the bootloader menu if you have unlocked your bootloader. It will result in a brick.
Try NvFlash out. It will create backups that make your tablet much harder to brick.

cmendonc2 said:
You have Android 4.2, which means you can flash JellyBean or KitKat ROMs. For JellyBean ROMs, you will need TWRP 2.6.3.0 - 42. For KitKat ROMs, you will need TWRP 2.6.3.2, available in the threads of those ROMs.
Also good tip: Never press Wipe Data in the bootloader menu if you have unlocked your bootloader. It will result in a brick.
Try NvFlash out. It will create backups that make your tablet much harder to brick.
Click to expand...
Click to collapse
Thank you for the info,but that still does not answer my root question.Should i just follow this guide http://forum.xda-developers.com/showthread.php?t=2187982 ??/
Bare in mind i only want to root and not do anything above that.

Exprince said:
Thank you for the info,but that still does not answer my root question.Should i just follow this guide http://forum.xda-developers.com/showthread.php?t=2187982 ??/
Bare in mind i only want to root and not do anything above that.
Click to expand...
Click to collapse
That guide is for upgrading to 4.2. You already have 4.2. If you want to just do root without unlocking, try this : http://forum.xda-developers.com/showthread.php?t=2130276

cmendonc2 said:
That guide is for upgrading to 4.2. You already have 4.2. If you want to just do root without unlocking, try this : http://forum.xda-developers.com/showthread.php?t=2130276
Click to expand...
Click to collapse
Will do. Thank you

Exprince said:
Bare in mind i only want to root and not do anything above that.
Click to expand...
Click to collapse
Hello
I have virtualy the same settings screen, however I would like to go further than just rooting an use a different operating system.
My stock ROM is using up far too much battery power.
I very much would appreciate a tutorial to teach how to root and flash a ROM, with the information the OP gave in their scree-shot.
Thank you

the lemming said:
Hello
I have virtualy the same settings screen, however I would like to go further than just rooting an use a different operating system.
My stock ROM is using up far too much battery power.
I very much would appreciate a tutorial to teach how to root and flash a ROM, with the information the OP gave in their scree-shot.
Thank you
Click to expand...
Click to collapse
1.) Unlock using the V8 or V7 unlocking Asus unlocking tool
2.) Flash TWRP 2.6.3.2 for KitKat or 2.6.3.0 -42 for Jelly Bean
3.) Flashing a KitKat ROM: http://forum.xda-developers.com/showpost.php?p=48508679&postcount=7

cmendonc2 said:
1.) Unlock using the V8 or V7 unlocking Asus unlocking tool
2.) Flash TWRP 2.6.3.2 for KitKat or 2.6.3.0 -42 for Jelly Bean
3.) Flashing a KitKat ROM: http://forum.xda-developers.com/showpost.php?p=48508679&postcount=7
Click to expand...
Click to collapse
I'm stuck in a situation here:
1. Unlocked TF300TG with asus unlocker v8
2. installed TWRP 2.5.0.0 and later 2.6.3.0
3. I have a CROMI-X.zip on SD-card inside the tablet, but in TWRP it doesn't get recognised. In android it does. In fact, TWRP doesn't mount anything.... What am I doing wrong?
Thanks..

elMisse said:
I'm stuck in a situation here:
1. Unlocked TF300TG with asus unlocker v8
2. installed TWRP 2.5.0.0 and later 2.6.3.0
3. I have a CROMI-X.zip on SD-card inside the tablet, but in TWRP it doesn't get recognised. In android it does. In fact, TWRP doesn't mount anything.... What am I doing wrong?
Thanks..
Click to expand...
Click to collapse
First check your bootloader version and make sure you have downloaded the right TWRP for that version. If your bootloader is older than 10.6.1.15.3, I highly recommend upgrading it. Then make sure you pick the -42 version of TWRP. Neither -ics nor -jb versions will work with 10.6.* bootloaders.
Sent from my TF300T using Tapatalk

f69m said:
First check your bootloader version and make sure you have downloaded the right TWRP for that version. If your bootloader is older than 10.6.1.15.3, I highly recommend upgrading it. Then make sure you pick the -42 version of TWRP. Neither -ics nor -jb versions will work with 10.6.* bootloaders.
Sent from my TF300T using Tapatalk
Click to expand...
Click to collapse
Mine is 10.6.2.11 but there doesnt seem to be 4.2 blob for exactly 300TG model. Maybe thats no problem...
EDIT: BUT thanks, it went OK with the right 4.2 one

elMisse said:
Mine is 10.6.2.11 but there doesnt seem to be 4.2 blob for exactly 300TG model. Maybe thats no problem...
Click to expand...
Click to collapse
It is exactly your problem. Use TWRP -42 for the TF300T to flash 4.2-based ROMs and TWRP 2.6.3.2 or later from the OmniROM thread for flashing 4.4-based ROMs.
Again, the TWRP -ics and -js versions do not work on your bootloader. A lot of people bricked their tablets trying to use them on a 10.6.* bootloader.
The TF300T versions will work just fine on your TF300TG.
Sent from my TF300T using Tapatalk

cmendonc2 said:
1.) Unlock using the V8 or V7 unlocking Asus unlocking tool
2.) Flash TWRP 2.6.3.2 for KitKat or 2.6.3.0 -42 for Jelly Bean
3.) Flashing a KitKat ROM: http://forum.xda-developers.com/showpost.php?p=48508679&postcount=7
Click to expand...
Click to collapse
Could you please point me to a Tutorial that will teach me how to unlock my TF300T with similar features to the OP's screen print?
I have tried to follow other tutorials but they are sufficiently different to my TF300T set-up that I am unable to follow them in the way that the authors describe.
Cheers?

[Q&A] [ROOT] Root for SHIELD Tablet 2.0 (Lollipop)

Q&A for [ROOT] Root for SHIELD Tablet 2.0 (Lollipop)
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for [ROOT] Root for SHIELD Tablet 2.0 (Lollipop). If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!

UK Root?
Wondering if i should try root since im in UK.
Heres the boot.img from the UK update, is it any different from the NA version before i try root?
EDIT: Wont let me post outside links
Should i try it or no?

DazEB said:
Wondering if i should try root since im in UK.
Heres the boot.img from the UK update, is it any different from the NA version before i try root?
EDIT: Wont let me post outside links
Should i try it or no?
Click to expand...
Click to collapse
If it is the WiFi Only model it should work, but no promises. If it is LTE please PM the link to the boot.img

Cwm and future ota
Does CWM prevents future OTA? What if I want root but stock recovery? Thanks.

Sweet, I followed the "Locked bootloader" method step by step and it working perfectly, no problem whatsoever. Thank you very much!!

layanto said:
Does CWM prevents future OTA? What if I want root but stock recovery? Thanks.
Click to expand...
Click to collapse
Cwm had not prevented any OTAs on the shield tablet for me yet.
Sent from my SHIELD Tablet using XDA Free mobile app

Hi,
Thanks for the instructions. I followed the unlocked bootloader one, but now I cant boot. I flashed the modified LTE boot img and now everytime I boot it keeps going into fastboot mode.
Unlocked bootloader
flashed CWM
Booted into CWM and flashed SuperSU Beta
Selected Yes to fix Root
Reboot system
Boot back into fastboot and flash the modified boot.img
Reboot system...............now keeps booting into fastboot.
Please help.
EDIT: I'm an idiot. Unzip the boot.img before you flash it. Problem solved.

layanto said:
Does CWM prevents future OTA? What if I want root but stock recovery? Thanks.
Click to expand...
Click to collapse
You can also restore stock recovery afterward by flashing this

SuperPichu said:
You can also restore stock recovery afterward by flashing this
Click to expand...
Click to collapse
Possibly dumb question, but is the stock recovery on 4.4.2 KK the same as stock recovery on L? If I backup the stock recovery on KK with flashify, can I then restore once I am rooted and on L?

layanto said:
Possibly dumb question, but is the stock recovery on 4.4.2 KK the same as stock recovery on L? If I backup the stock recovery on KK with flashify, can I then restore once I am rooted and on L?
Click to expand...
Click to collapse
You can definitely restore it if you make a backup. I'm actually not sure if they are the same.

Can this be done without a computer?

Jaybenosa said:
Can this be done without a computer?
Click to expand...
Click to collapse
No
Sent from my SHIELD Tablet using XDA Free mobile app

Yah I figured. So I'm pretty much a noob and I'm trying to unlock my bootloader right now but I'm so lost lol

So I failed miserably, accidentally hit reboot system after step 4 so now I'm on lollipop not rooted and no unlocked boot loader nor have a recovery ??

Jaybenosa said:
Yah I figured. So I'm pretty much a noob and I'm trying to unlock my bootloader right now but I'm so lost lol
Click to expand...
Click to collapse
This is how to unlock the bootloader. It will erase all your userdata.
https://developer.nvidia.com/sites/...eld/SHIELD_tab/HowTo-Flash-Recovery-Image.txt

In reading through the other thread, I can't seem to definitively find what I'm looking for.
My Shield has a locked bootloader, but I've installed the OTA. Is my only option to unlock the bootloader and then follow the unlocked bootloader root method? Or is there a way to root only (I'd like to keep stock recovery) with the OTA already installed?

KentuckyHouse said:
In reading through the other thread, I can't seem to definitively find what I'm looking for.
My Shield has a locked bootloader, but I've installed the OTA. Is my only option to unlock the bootloader and then follow the unlocked bootloader root method? Or is there a way to root only (I'd like to keep stock recovery) with the OTA already installed?
Click to expand...
Click to collapse
You will have to unlock. You can restore the stock recovery afterward if you wish
Sent from my SHIELD Tablet using XDA Free mobile app

Does towelroot still work for the LTE devices when moving to lolli?

OK, so I had to unlock my bootloader since I'd already taken the OTA.
Now I'm at this point. I can't seem to get recovery to stick. I've flashed it multiple times in fastboot and it just won't stick. Now, over in the other thread, someone has asked if I've done the "fastboot flash boot boot-root.img" step yet. This confuses me, as that step comes AFTER you flash recovery, then flash SuperSU with CWM. But seeing as how I can't get recovery to stick, I can't flash SuperSU, and that means I can't move on to that step.
So I guess what I'm asking is, can I run "fastboot flash boot boot-root.img" before "fastboot flash recovery recovery.img"? Will that make a difference? Will it brick my tablet?
I'm all out of ideas here.

Locked bootloader and updated to ver 2.0 lollipop.
Hi there.
I have downloaded and installed version 2 lollipop and I would like root to store my games on SD. When checking the root guide it informed me to download update but not install. I have already installed the update and was wandering if they is a way to root my device still.
Kind regards

Update from 4.1 to 5.0

Hey guys, posted in a few threads but starting a separate thread to keep my issues out of them.
Anyways, my tablet is out up date and I havent kept up to speed on the last 2 years worth of developments. So im looking to upgrade my rooted and unlocked tablet on 4.1 to the 5.0 rom. My twrp version is 2.3.3.0.
How would i go about updating to a 4.4/5.0 compatible bootloader and recovery?
Ive been advised to update the bootloader, but should i flash the boot before the updated twrp or the other way around? While we're at it, I've noticed the nvflash tools. I'm assuming doing the nvflash stuff would help me recover from any possible bricks?
Any help would be appreciated.

jaydotelloh said:
Hey guys, posted in a few threads but starting a separate thread to keep my issues out of them.
Anyways, my tablet is out up date and I havent kept up to speed on the last 2 years worth of developments. So im looking to upgrade my rooted and unlocked tablet on 4.1 to the 5.0 rom. My twrp version is 2.3.3.0.
How would i go about updating to a 4.4/5.0 compatible bootloader and recovery?
Ive been advised to update the bootloader, but should i flash the boot before the updated twrp or the other way around? While we're at it, I've noticed the nvflash tools. I'm assuming doing the nvflash stuff would help me recover from any possible bricks?
Any help would be appreciated.
Click to expand...
Click to collapse
Yes here you are ....
Get the SKU from your bootloader screen .....
Then go to the Asus website and get the firmware for your SKU ending in 27.5 ...
Then unpack the zip and there will be another zip unzip it you will find a file called blob ....
Flash this blob from fastboot ...
Let me know if you need any help along the way..
Thx Josh

lj50036 said:
Yes here you are ....
Get the SKU from your bootloader screen .....
Then go to the Asus website and get the firmware for your SKU ending in 27.5 ...
Then unpack the zip and there will be another zip unzip it you will find a file called blob ....
Flash this blob from fastboot ...
Let me know if you need any help along the way..
Thx Josh
Click to expand...
Click to collapse
Thanks for following me around my 3 posts, lol.
Quick questions:
1. Should I flash the bootloader BEFORE flashing the updated TWRP? Or does the new TWRP get flashed before the bootloader.
2. When I flash the new bootloader, will i still be able to run 4.1 on the tablet (i.e. is the new bootloader backwords compatible?)
3. Will the NVFLASH stuff help me in the event that I do mess something up? Seems like it supposed to be a brick-proof safety net in case something goes wrong.
thanks for the help man!

jaydotelloh said:
Thanks for following me around my 3 posts, lol.
Quick questions:
1. Should I flash the bootloader BEFORE flashing the updated TWRP? Or does the new TWRP get flashed before the bootloader.
2. When I flash the new bootloader, will i still be able to run 4.1 on the tablet (i.e. is the new bootloader backwords compatible?)
3. Will the NVFLASH stuff help me in the event that I do mess something up? Seems like it supposed to be a brick-proof safety net in case something goes wrong.
thanks for the help man!
Click to expand...
Click to collapse
1. The blob file contains the SOS which is the stock recovery, so flash TWRP after ....
2. No you would have to revert back to a 4.1 bootloader to do that ...
3. Yes I would highly recommend doing this ......
4. If you need any help ever shoot me an email we can hangouts [email protected]
Thx Josh

lj50036 said:
1. The blob file contains the SOS which is the stock recovery, so flash TWRP after ....
2. No you would have to revert back to a 4.1 bootloader to do that ...
3. Yes I would highly recommend doing this ......
4. If you need any help ever shoot me an email we can hangouts [email protected]
Thx Josh
Click to expand...
Click to collapse
Thanks Josh, I think I know what to do now:
Step 1: Set up NVFLASH and get my backup files.
Step 2: Flash the 27.5 Bootloader using fastboot.
Step 3: Flash TWRP openrecovery-twrp-2.8.1.0-tf300t.blob
Step 4: Wipe system/cache, etc
Step 5: Flash Katkiss 5.0
Is this correct? Am i missing any steps in there?
Looks like you're not on hangouts right now, shoot me a message if we can chat. [email protected]

So, Josh TOTALLY hooked me up on this issue. Not only offer his help, he actually walked me through the entire process watching my screen through screenshare. I'm now up and running on Kitkass 5.0.... sweet sweet lollipop goodness.
Not sure how to edit the title to solved, but maybe a mod could do that?

jaydotelloh said:
So, Josh TOTALLY hooked me up on this issue. Not only offer his help, he actually walked me through the entire process watching my screen through screenshare. I'm now up and running on Kitkass 5.0.... sweet sweet lollipop goodness.
Not sure how to edit the title to solved, but maybe a mod could do that?
Click to expand...
Click to collapse
If you go to edit your first post and then go to adv edit, there you can add 'SOLVED'
Thx Josh

[Q&A] [RECOVERY][BUMPED][D850] TWRP 2.8.5.1 w/ F2FS [03/01]

Q&A for [RECOVERY][BUMPED][D850] TWRP 2.8.5.1 w/ F2FS [03/01]
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
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Thanks for understanding and for helping to keep XDA neat and tidy!

TWRP Recovery issue
Good day, I have an LG G3 D850 rooted on 5.0.1 OTA with stock recovery from unjustified dev root. I flashed twrp from the instructions here with flashify and later tried with rashr, I Also tried to install it through cmd adb on my pc. When I try to reboot to recovery (from rashr/flashify, and even manually) I get a boot certification error and then I guess a boot loop. The screen goes black and the led flashes red and blue. I have to take the battery out to restart. I must be doing something wrong. Any ideas?

Sandmann1381 said:
Good day, I have an LG G3 D850 rooted on 5.0.1 OTA with stock recovery from unjustified dev root. I flashed twrp from the instructions here with flashify and later tried with rashr, I Also tried to install it through cmd adb on my pc. When I try to reboot to recovery (from rashr/flashify, and even manually) I get a boot certification error and then I guess a boot loop. The screen goes black and the led flashes red and blue. I have to take the battery out to restart. I must be doing something wrong. Any ideas?
Click to expand...
Click to collapse
Did you resolve this issue? If so, how'd you do it. I'm having the same one.

No, But I believe they have a fix here where you would have to flash a kit kat bootloader. From what I read this, method works. I just feel more comfortable waiting for it to be done with all lollipop coding.

Sandmann1381 said:
No, But I believe they have a fix here where you would have to flash a kit kat bootloader. From what I read this, method works. I just feel more comfortable waiting for it to be done with all lollipop coding.
Click to expand...
Click to collapse
My thoughts precisely. Thanks for the quick response. Much appreciated.