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[Q] Firmware

I have rooted my TF700, but have not unlocked the bootloader yet. I had to downgrade from JB to ICS so i am on the .30 firmware. Should I manually update the firmware to a JB firmware even though I am running ICS? Is there an adavatage, or will the firmware actually install JB back on? Also, when I load a custom ROM, should I also load an updated firmware?

The_Big_H said:
I have rooted my TF700, but have not unlocked the bootloader yet. I had to downgrade from JB to ICS so i am on the .30 firmware. Should I manually update the firmware to a JB firmware even though I am running ICS? Is there an adavatage, or will the firmware actually install JB back on? Also, when I load a custom ROM, should I also load an updated firmware?
Click to expand...
Click to collapse
What do you mean.
What would you like to do? Get back on JB (rooted, and locked bootloader) or do you want to flash custom roms, which require an unlocked bootloader?

I guess what I'm asking is, when I run a custom ROM, should I flash an updated firmware?
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD

The_Big_H said:
I guess what I'm asking is, when I run a custom ROM, should I flash an updated firmware?
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD
Click to expand...
Click to collapse
That depends. I am not that familiar with downgrading, so if you could turn off your tablet.
Then press the power button while holding the volume down button.
Then you should see 'bootloader version' somewhere on the left top corner.
If you could note that down and let me know, that'd help a lot.
It could be possible that your bootloader is still the one from before downgrading. If it is, you can start flashing roms as soon as you have unlocked your bootloader.
If it has downgraded too, you have to
1) Install Voodoo ota rootkeeper & make it protect your root
2) Flash the official latest firmware version
3) open voodoo ota rootkeeper and restore your root.
I think there's a walkthrough for your case somewhere in the general thread. Look for 'walkthrough' there, you should be able to find it.

The_Big_H said:
I guess what I'm asking is, when I run a custom ROM, should I flash an updated firmware?
Sent from my ASUS Transformer Pad TF700T using Tapatalk HD
Click to expand...
Click to collapse
Depend on the rom build. If the rom build on JB, then yes, you need to flash JB bootloader if you're on ICS. Custom rom only contained rom and kernel.(sometime without the kernel so you need to read the instruction). So if you're on ICS you need to flash JB bootloader (either just flash the bootloader alone or flash the entire firmware which included the boot loader). Then you can flash JB custom rom. If you're talking about the new CleanRom, it's on JB (so you need JB bootloader) and has option to flash stock JB kernel or custom kernel. For me, I always flash the full Asus stock firmware first to make sure I have everything then I flash custom rom. Of course, you could just flash the stand alone JB bootloader then flash Cleanrom.

how to downgrade note 10.1 from 4.1 to 4.0,(request)

hi, can some one please help me with how to downgrade the firmware from 4.1 to 4.0, also would i be able to get ota after i do that by using odin...
if not how do i install updates for 4.0, i am confused about that will i go back to the official firmware and get future ota's or will i always have to use odin....

At the top of this section I have highlighted how to flash a firmware the same process needs to be followed for all firmware no matter what it is ICS or JB
Also read the warning there which is when you downgrade your device will not boot and may get stuck at the Samsung logo and you will need to do a complete wipe by going into recovery to make the device boot
So please back up all your data
If you install the rom (applies for JB & ICS) which belongs to the country of origin of the device you will get OTA

downgrade, manually upgrade.. Spen Pb.
samir_a said:
At the top of this section I have highlighted how to flash a firmware the same process needs to be followed for all firmware no matter what it is ICS or JB
Also read the warning there which is when you downgrade your device will not boot and may get stuck at the Samsung logo and you will need to do a complete wipe by going into recovery to make the device boot
So please back up all your data
If you install the rom (applies for JB & ICS) which belongs to the country of origin of the device you will get OTA
Click to expand...
Click to collapse
I confirm. I downgrade yesterday... loosing all data. RE installing German JB... so I still have som problems with S pen in some dead zone (top and down part around the Logo).
I've heard there was a 4.0.2 android around in the Xda forum.. I'l ll have a look.

[Q] Best option for root

Its good to join a new forum!
Ive decided too take one of tf300s home from work to help feed my root hunger (also running cm10.1 on htc evo 4g lte)
This tablet is currently running 4.0.3
Assuming i will be walking the custom ROM road, should I leave tablet at 4.0.3 or upgrade to JB? I won't have my p c to perform fastboot until next week, this is why i ask.
Thanks in advance :beer:
Sent from my ASUS Transformer Pad TF300T using xda app-developers app

I would suggest moving up to JB. I've been using CM 10.1 (which is running 4.2.1) on my TF300T and it's been great. The UI and options are better on JB than on ICS, even though ICS was a pretty great step up.

casualPhoenix said:
I would suggest moving up to JB. I've been using CM 10.1 (which is running 4.2.1) on my TF300T and it's been great. The UI and options are better on JB than on ICS, even though ICS was a pretty great step up.
Click to expand...
Click to collapse
I also just got my tablet now and I'm holding the firmware update while reading, what do you advice? push to OTA or unlock,root,then custom rom? I thought I saw few others having problem with JB is that OTA JB? That's why I'm not pushing any OTA updates for now.
Thanks in advance!

jkoch35 said:
Its good to join a new forum!
Ive decided too take one of tf300s home from work to help feed my root hunger (also running cm10.1 on htc evo 4g lte)
This tablet is currently running 4.0.3
Assuming i will be walking the custom ROM road, should I leave tablet at 4.0.3 or upgrade to JB? I won't have my p c to perform fastboot
Click to expand...
Click to collapse
melvsmeister said:
I also just got my tablet now and I'm holding the firmware update while reading, what do you advice? push to OTA or unlock,root,then custom rom? I thought I saw few others having problem with JB is that OTA JB? That's why I'm not pushing any OTA updates for now.
Click to expand...
Click to collapse
1st solution (That I've made)
Don't update to JB now.
Rooted and unlock in ICS
Backup your root with OTA Rootkeeper
and after JB update by OTA and restore your root with OTA ROOTKEEPER.
2nd Solution:
Or unlock and root your TF and use the NVFLASH tool (with pre-JB bootloader)
3rd solution:
Go on OTA JB Update
Unlock your TF
and use this guide : [ROOT/ROM] Root Stock/Deodex Firmware 10.4.2.20 (US/WW) | Insecure kernel ! when you are on the version of firmware
Go to my index and you will find all the links that you need

philos64 said:
1st solution (That I've made)
2nd Solution:
Or unlock and root your TF and use the NVFLASH tool (with pre-JB bootloader)
Click to expand...
Click to collapse
Thanks for your help here's what I did:
-Unlocked using APK
-did NVFLASH tool
-flash CWM
-root
-install OTA Rootkeeper
Now I want to install hydro and I know I have to be in JB boot loader the only question for me now to be able to proceed is:
-Install the pending OTA JB update (I dont know if this will proceed installing since it was downloaded while Im stock, I'm afraid it will brick my device since Im now unlocked,nvflash,rooted)
OR
-Just DL latest from ASUS (ASUS Transformer Pad TF300T Firmware: V10.4.2.20 Only for US SKU (Android 4.1)) Can I just install the latest or I need to install pre requisite update first?
THEN
-Install compatible recovery for JB
-Install custom rom

melvsmeister said:
Thanks for your help here's what I did:
-Unlocked using APK
-did NVFLASH tool
-flash CWM
-root
-install OTA Rootkeeper
Now I want to install hydro and I know I have to be in JB boot loader the only question for me now to be able to proceed is:
-Install the pending OTA JB update (I dont know if this will proceed installing since it was downloaded while Im stock, I'm afraid it will brick my device since Im now unlocked,nvflash,rooted)
OR
-Just DL latest from ASUS (ASUS Transformer Pad TF300T Firmware: V10.4.2.20 Only for US SKU (Android 4.1)) Can I just install the latest or I need to install pre requisite update first?
THEN
-Install compatible recovery for JB
-Install custom rom
Click to expand...
Click to collapse
It's really easy now that you're unlocked, rooted and used NVFlash.
I suppose you're still in ICS.
Backup somewhere all of your files (stock rom, nvflash file etc...) use Titanium backup for save & restore your apps later
You can use both process for update your TF
The OTA update, and every time, you are going to have to restore your root.

screen will not respond

My tf300 screen will not respond. I have tried several different roms. I have flashed to the new JB 4.2 update and did all the firmware updates and have downgraded to JB 4.1 and cannot get past the welcome screen. Screenhas been frozen for about 24hrs now. PLEASE HELP!!!!

rbellis said:
My tf300 screen will not respond. I have tried several different roms. I have flashed to the new JB 4.2 update and did all the firmware updates and have downgraded to JB 4.1 and cannot get past the welcome screen. Screenhas been frozen for about 24hrs now. PLEASE HELP!!!!
Click to expand...
Click to collapse
Please read previous posts on JB 4.2 vs 4.1 bootloader. It is nearly impossible to down grade to a JB 4.1 based ROM once you have installed a 4.2 ROM. I believe it changes the bootloader and will leave you stuck on the boot screen. I recommend the following (I assume you have an unlocked bootloader).
1. Update the boatloader with TWRP JB 4.2 using fastboot
2. Install any ROM stock or a custom JB 4.2 ROM
Good luck!

Mike_SattyEng said:
Please read previous posts on JB 4.2 vs 4.1 bootloader. It is nearly impossible to down grade to a JB 4.1 based ROM once you have installed a 4.2 ROM. I believe it changes the bootloader and will leave you stuck on the boot screen. I recommend the following (I assume you have an unlocked bootloader).
1. Update the boatloader with TWRP JB 4.2 using fastboot
2. Install any ROM stock or a custom JB 4.2 ROM
Good luck!
Click to expand...
Click to collapse
That has not been true in my case. Link. I've gone from 4.2 back to 4.1 a few times. No need to panic.
---------- Post added at 08:50 AM ---------- Previous post was at 08:47 AM ----------
rbellis said:
My tf300 screen will not respond. I have tried several different roms. I have flashed to the new JB 4.2 update and did all the firmware updates and have downgraded to JB 4.1 and cannot get past the welcome screen. Screenhas been frozen for about 24hrs now. PLEASE HELP!!!!
Click to expand...
Click to collapse
I'd suggest you go back to official 104220 and find out what kind of touch firmware you have. This topic has been discussed numerous times. Go to /etc/firmware/touch/ folder and tell us what you have in there. Check /settings/about tablet/touch panel firmware/ to see what version shows. We'll go from there.

[Q] Updating your bootloader

I'm currently on Android 4.1.2 using Baked 6 and I want to upgrade to Baked 8, or anything on 4.2 for that matter. If I update a ROM, does this also mean it updates my bootloader? If not how to I properly update my bootloader without bricking my tablet? I've been reading around but there's so much data on the forums that I feel like I'm going to accidentally make a mistake

lifewater said:
I'm currently on Android 4.1.2 using Baked 6 and I want to upgrade to Baked 8, or anything on 4.2 for that matter. If I update a ROM, does this also mean it updates my bootloader? If not how to I properly update my bootloader without bricking my tablet? I've been reading around but there's so much data on the forums that I feel like I'm going to accidentally make a mistake
Click to expand...
Click to collapse
No flashing a custom rom will not upgrade your bootloader, only the stock asus firmwares will do this or a custom made blob file.
There are several methods to upgrade your bootloader to a JB 4.2 bootloader which can be found here or here. I prefer using the fastboot method for upgrading but up to you. Just make sure that once you've upgraded your bootloader to a 4.2 bootloader that you flash a -4.2 version of twrp or you will brick. I would suggest upgrading to JB 4.2 - 10.6.1.15.3 & twrp 2.5.0.0-4.2 as I find this more stable than 10.6.1.8 & twrp 2.4.4.0-4.2
If using the fastboot method and you need any help with any step just let me know.