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[Q] root & upgrade to custom firmware

Hi!
I recently acquired a B60 serial, TF101 that has the android version 3.1 ; with build number HMJ37.US_epad-8.4.4.11-20110711
The system is prompting for an update , I believe it is for the 3.2 upgrade, which I didn't do yet.
I am very much interested in getting custom firm ware installed.
I had an opportunity to read the forum, and just needed directions in the right way:
1. Should I upgrade to the V8.6.5.9 (Android 3.2) from the ASUS website or the OVA that the system is prompting me to do so? I am just concerned with the following statement from ASUS website: ※Firmware update cannot do *SKU conversion* and downgrade version .... I believe this means, I can't downgrade after?
2. I can use the Universal Rooting Tool that is discussed on this forum, but I believe in that case I need to do #1 above, is that correct? or Can I do it with the stock firmware that I have?
3. the custom firmware I am interested in is the Android Revolution ; it says it requires: Clockworkmod Recovery - using the #2 mentioned above, will it be installed automatically?
Thanks.
P.S. Let me know anything else that I have missed.

bought tablet, and now?

Hello folks,
Just bought the TF300T Tablet yesterday.
It came with Android 4.1.1 preinstalled
Kernel 3.1.10 from Nov 22 21:27:42
Build No: JR003C.WW_epad-10.4.2.18-20121122
I read through many threads about rooting but i have some questions remaining:
How do i find out if my bootloader is already the JB-one which can't stay locked to root the device?
I mean that i can't use nvflash.
At the beginning i want to stay at stock rom, only rooted for removing ads purposes
After what i have read i only have the following options:
a) Install the already offered update to 4.2.1 and use Asus Bootloader Unlock V8. (don't want to unlock)
b) Stay on 4.1.1 and Use Unlock V7 (don't want to unlock)
c) update to 4.2.1 wait if i can root without unlook bootloader sometime
So if anybody haven't an other option i choose to update and wait. am i correct?
Thanks :good:

Now there is no option to get your installed or newer versions to be rooted without unlocking the device.
All your options are correct.

Well your on 4.1.1 which is jellybean so you do have the jellybean bootloader and nvflash is not possible. The only way to root your tablet will require an unlock and custom recovery.
Sent from my SAMSUNG-SGH-I747 using xda premium

I'd suggest you to keep it stock for some time, so you would avoid some hw failures and warranty problems. I am happy enough with it, it's not perfect but ... nothing is
Proud owner of an ASUS TF300T stock and the "old faithful" SGS i9000 powered by AndroSlim

Since latest update it runs smooth enough

I chosed option a) and updated the tablet. After flashing Asus v8 apk i get struck with correct install of twrp recovery.
I don't see any files. I downloaded the official file from their homepage and read that there is a patched one in a thread.
gonna try this one this evening.

cleanROM is working on a very nice stock ROM with tweaks which is something you might want to consider if you decide to unlock

[XT1039] Developer "noob" questions

Hi everyone, I'm new here.
The XT1039 that I bought last week is my first Android phone with an unlockable bootloader, so I have a few questions before I do anything with it. I am a software developer and I have some experience with Android system hacking on my Asus TF700 tablet, so I do know what adb and fastboot are - my "noob-ness" is highly device specific.
Speaking of fastboot, what exactly is different with mfastboot compared to regular fastboot? Only the support for the "sparsechunk" images? Or does regular fastboot not work at all on Motorola devices?
Is the source code for mfastboot available and where do I find it?
Exploit-based rooting method
For making a backup of current partitions, it would be handy to get root before unlocking the bootloader.
The stock ROM version my phone came with is this:
Code:
ro.build.description=peregrine_reteu-user 4.4.4 KXB21.14-L1.56-1 1 release-keys
Linux version 3.4.42-g09ca493-00001-g5aeebdc ([email protected]) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Sat Sep 27 15:10:40 CDT 2014
so I assume that the towelroot exploit has been already fixed in this version.
I searched for alternatives but found nothing - did I miss it or is there just no working root exploit?
Stock ROM images
I've seen the stock ROM thread, but I've not seen an official download source for them.
Are these leaks from official Motorola servers? How can I verify the authenticity of the stock ROM downloads,
or where can I find official downloads?
Unlocking and upgrading
My goal is to either use
a cleaned up 5.1 stock ROM or
CM 12.1 or
OmniROM.
My plan for the next steps is:
unlock the bootloader
install this stock ROM: XT1039_PEREGRINE_RETEU_5.1_LPB23.13-17_cid7_CFC.xml.zip to get the current (.1A) bootloader and a matching stock kernel and system
build a current TWRP (based on device tree by @Somcom3X) and install it
Make backups of device-specific partitions
Install SuperSU
- Is any of this a bad idea, and why?
- Would there be any reason to keep the old bootloader? (I've read that there are at least 2 partially incompatible bootloader versions and that there is no way to downgrade.)
- Does the bootloader incompatibility only produce screen flicker or are there more severe issues?
Kernel source
I have neither received kernel source with my phone nor a written offer from Motorola. However I found
https://github.com/MotorolaMobilityLLC/kernel-msm
which even contains full commit history (nice!) and a lot of confusing tags, none of which match exactly the ROM build number?
Is there anything unusual (as in, different from other Android devices) that I need to do for compiling the kernel and boot image?
How to brick it
It's always good to know what *not* to do. From what I've read in the forums, I should never do:
run "fastbooot eerase all"
erase partitions that contain device-specific info (hob, dhob)
flash a ROM with the wrong cid
flash a bootloader not designed for my device or otherwise mess with the bootloader
accept OTA updates without having a consistent stock setup
Anything else that I should be aware of?

Pinging a few RCs who claim to support this device - @DC07 @matmutant - please help me get started with this new device.

_that said:
Pinging a few RCs who claim to support this device - @DC07 @matmutant - please help me get started with this new device.
Click to expand...
Click to collapse
To what i've read you are right on the overall (i don't know peregrine specific things, since i only own XT1032 8 and 16GB variants)
i never tried mfasboot, and instead used fastboot bundled with the Android SDK with no issues (bootloader flashed nicely and so)
Root
The only kown way to root is having an unlocked bootloader here
Stock ROM
ask @lost101
How to brick it
i don't see any other way at the moment, maybe others will ?
If you see anything that is unclear in the FAQs tell me, things that look ok for people using the device for a while might not be understandable by newcomers
PS: don't forget to "backup" your IMEI to prevent issues too

ASUS Tablet ME302KL: Any way in 2021 to update android 4.2.2 to android >5 (unlock bootloader? Then: twrp? custom-rom?)

Hello guys,
I'm new:
In 2013 I bought an ASUS Memo Pad FHD 10 (ME302KL). Although I never really often used it, today while the Corona-crisis I need it for teaching. Therefore I wanted to upgrade the OS (actually Android 4.2.2) because most apps don't work with it anymore. I read a lot in the Internet about this topic (no official OS Asus-Update, installing Custom-Rom, TWRP and unlock bootloader, ... )
I'm completely novice but I wanted to try because I think this tablet is not too old for my wanted usage.
My first problem is to unlock the bootloader (I hope after solving this problem, it's straigt forward (twrp, custom-rom), rooting the device is easy; I already deleted a lot of the damn bloatware some time ago...).
I read about this: There seemed to be an official asus unlock apk some years ago which I found in www and tried. But no chance: unknown network error. I also tried oem fastboot unlock: failed.
Then I phoned the ASUS support some days ago describing the problem that I want to unlock the bootloader. Answer was: device is too old, no support for that in any way (what really made me disappointed because a) it seemed to me that up to ~2018 there still were (inofficial) ways to get it unlocked und/or updated (calling support again and again, make (mac?) adress entry somewhere, asus unlock apk seemed to work mostly, ... ) and b) the problem already seemed to arise in 2014 (just a few month after I bought it completely new) )
So my question: Is there ANY way to update it in 2021 or do I have to give up and just use it as pdf reader or display? (And never buy ASUS products again?). Do you have any experience about that or other advice?
(Does it maybe work without unlocking bootloader although I read that some guys brick it with that?)
I would even accept linux or ubuntu system (possible?), but I want to have more control about it (other devices were too old for me when they got too slow, but this one isn't. It works good except that it is not compatible with most apps..)
Thanks.
Feli25

Feli25 said:
Hello guys,
I'm new:
In 2013 I bought an ASUS Memo Pad FHD 10 (ME302KL). Although I never really often used it, today while the Corona-crisis I need it for teaching. Therefore I wanted to upgrade the OS (actually Android 4.2.2) because most apps don't work with it anymore. I read a lot in the Internet about this topic (no official OS Asus-Update, installing Custom-Rom, TWRP and unlock bootloader, ... )
I'm completely novice but I wanted to try because I think this tablet is not too old for my wanted usage.
My first problem is to unlock the bootloader (I hope after solving this problem, it's straigt forward (twrp, custom-rom), rooting the device is easy; I already deleted a lot of the damn bloatware some time ago...).
I read about this: There seemed to be an official asus unlock apk some years ago which I found in www and tried. But no chance: unknown network error. I also tried oem fastboot unlock: failed.
Then I phoned the ASUS support some days ago describing the problem that I want to unlock the bootloader. Answer was: device is too old, no support for that in any way (what really made me disappointed because a) it seemed to me that up to ~2018 there still were (inofficial) ways to get it unlocked und/or updated (calling support again and again, make (mac?) adress entry somewhere, asus unlock apk seemed to work mostly, ... ) and b) the problem already seemed to arise in 2014 (just a few month after I bought it completely new) )
So my question: Is there ANY way to update it in 2021 or do I have to give up and just use it as pdf reader or display? (And never buy ASUS products again?). Do you have any experience about that or other advice?
(Does it maybe work without unlocking bootloader although I read that some guys brick it with that?)
I would even accept linux or ubuntu system (possible?), but I want to have more control about it (other devices were too old for me when they got too slow, but this one isn't. It works good except that it is not compatible with most apps..)
Thanks.
Feli25
Click to expand...
Click to collapse
Try to research the 3 digit codes for the Ma2yo apk that supposedly updates android versions. I tried it on a 4.2.2 with a three digit code that supposedly updates android to 9.0 pie, but the app told me I entered the wrong code. Im a novice at this as well, but I have managed to use Kingoroot to gain root access to the mentioned tablet and use it as a learning tool myself. Try to use some of the apk root apps until you find one you like that will allow you to build your tablet, if you can't get it to upgrade.Happy hunting, test runs and hopefully success!

For all who have the same problem:
Yesterday I gained the most following this thread:
[HOWTO] Unlock TF700T in 2020
UPDATE: Asus has updated the servers. Older protocols for HTTPS, which are required for older Android versions, are no longer supported. Unfortunately, some additional steps are needed for the unlock now. See this post for step by step...
forum.xda-developers.com
Problem: Device could not be unlocked (after a few minutes waiting and everything working fine up to this point), but another user seemed to unlock the ME302KL this way... :/

Think I finally got it with the link above.

Feli25 said:
Hello guys,
I'm new:
In 2013 I bought an ASUS Memo Pad FHD 10 (ME302KL). Although I never really often used it, today while the Corona-crisis I need it for teaching. Therefore I wanted to upgrade the OS (actually Android 4.2.2) because most apps don't work with it anymore. I read a lot in the Internet about this topic (no official OS Asus-Update, installing Custom-Rom, TWRP and unlock bootloader, ... )
I'm completely novice but I wanted to try because I think this tablet is not too old for my wanted usage.
My first problem is to unlock the bootloader (I hope after solving this problem, it's straigt forward (twrp, custom-rom), rooting the device is easy; I already deleted a lot of the damn bloatware some time ago...).
I read about this: There seemed to be an official asus unlock apk some years ago which I found in www and tried. But no chance: unknown network error. I also tried oem fastboot unlock: failed.
Then I phoned the ASUS support some days ago describing the problem that I want to unlock the bootloader. Answer was: device is too old, no support for that in any way (what really made me disappointed because a) it seemed to me that up to ~2018 there still were (inofficial) ways to get it unlocked und/or updated (calling support again and again, make (mac?) adress entry somewhere, asus unlock apk seemed to work mostly, ... ) and b) the problem already seemed to arise in 2014 (just a few month after I bought it completely new) )
So my question: Is there ANY way to update it in 2021 or do I have to give up and just use it as pdf reader or display? (And never buy ASUS products again?). Do you have any experience about that or other advice?
(Does it maybe work without unlocking bootloader although I read that some guys brick it with that?)
I would even accept linux or ubuntu system (possible?), but I want to have more control about it (other devices were too old for me when they got too slow, but this one isn't. It works good except that it is not compatible with most apps..)
Thanks.
Feli25
Click to expand...
Click to collapse
Could you help me with all I need to update android 4.2 to the newest possible?

Chuwi Hi8 - Android Update 4.4.4 to 5+?

Hey there,
I´ve had a Chuwi Hi8 lying in a drawer for years because I never had use for it. Now I would love to use it as a Dashboard for my Home-Assistant but that would require Android 5+.
I know that there are update for this Device around but all links on the official forums are dead and there are LOTS of shady sites when googling for updates to this device.
Ofc it is a far shot finding someone here that has experience with a stupid Device like this but hey, maybe I hit the jackpot

Moving from Android 4.4 to Android 5+ isn't an update but an upgrade.
To upgrade your phone's Android you need a
1. Custom Recovery
2. Custom ROM
both suitable to the phone.
If both found then you flash the Custom Recovery and if successful, you flash the Custom ROM by means of the Custom Recovery.