I have the US version of the Axon 7. TWRP 3.0.2, with locked bootloader, stock rom, no root.
Ultimately I want to follow this guide by @Oki, to root with safetynet:
https://forum.xda-developers.com/axon-7/how-to/guide-root-xposed-safetynet-stock-rom-t3530906
That guide says I have to have TWRP 3.0.3, so that's what I am trying to install.
I've already installed TWRP 3.0.2, following this guide, up through step A:
https://forum.xda-developers.com/axon-7/how-to/guide-install-twrp-unlock-bl-flash-t3517379
Once that was installed I tried to flash the official TWRP 3.0.3, using both TWRP and axon7tool, and it seems to flash, but recovery boots to a black screen. I'm pretty sure it is in edl mode. Shouldn't I be able to upgrade TWRP this way?
So I gave in and downloaded the gigantic unlock kit, and tried to follow the instructions from @jcadduono, except from TWRP 3.0.2. It fails trying to flash step 1 with an assert that product name isn't P996A0.
Help! What should I do next?
StickMonster said:
I have the US version of the Axon 7. TWRP 3.0.2, with locked bootloader, stock rom, no root.
Ultimately I want to follow this guide by @Oki, to root with safetynet:
https://forum.xda-developers.com/axon-7/how-to/guide-root-xposed-safetynet-stock-rom-t3530906
That guide says I have to have TWRP 3.0.3, so that's what I am trying to install.
I've already installed TWRP 3.0.2, following this guide, up through step A:
https://forum.xda-developers.com/axon-7/how-to/guide-install-twrp-unlock-bl-flash-t3517379
Once that was installed I tried to flash the official TWRP 3.0.3, using both TWRP and axon7tool, and it seems to flash, but recovery boots to a black screen. I'm pretty sure it is in edl mode. Shouldn't I be able to upgrade TWRP this way?
So I gave in and downloaded the gigantic unlock kit, and tried to follow the instructions from @jcadduono, except from TWRP 3.0.2. It fails trying to flash step 1 with an assert that product name isn't P996A0.
Help! What should I do next?
Click to expand...
Click to collapse
since you're in twrp you can open that step 1 full OTA zip in 7-zip and browse to META-INF/com/google/android and open updater-script file.
you will see a line starting with assert() somewhere, just remove that line and save, then flash it
alternatively you can find a stock P996A01 recovery, flash that, then flash the zips (unmodified) from there
First unlock your bootloader
What I did was this... Already have the old twrp as you do. I got the official twrp for the axon 7 global version (even though my phone is U). I then flashed it through fastboot. I never flash recovery images through twrp. It's never worked for me on many phones. Can't go wrong with fastboot though. Good luck. I recently got my bootloader unlocked and rooted and it was a nightmare digging through these many slightly different tutorials so I know this process is a pain
StickMonster said:
I have the US version of the Axon 7. TWRP 3.0.2, with locked bootloader, stock rom, no root.
Ultimately I want to follow this guide by @Oki, to root with safetynet:
https://forum.xda-developers.com/axon-7/how-to/guide-root-xposed-safetynet-stock-rom-t3530906
That guide says I have to have TWRP 3.0.3, so that's what I am trying to install.
I've already installed TWRP 3.0.2, following this guide, up through step A:
https://forum.xda-developers.com/axon-7/how-to/guide-install-twrp-unlock-bl-flash-t3517379
Once that was installed I tried to flash the official TWRP 3.0.3, using both TWRP and axon7tool, and it seems to flash, but recovery boots to a black screen. I'm pretty sure it is in edl mode. Shouldn't I be able to upgrade TWRP this way?
So I gave in and downloaded the gigantic unlock kit, and tried to follow the instructions from @jcadduono, except from TWRP 3.0.2. It fails trying to flash step 1 with an assert that product name isn't P996A0.
Help! What should I do next?
Click to expand...
Click to collapse
You need to install again the unofficial TWRP 3.0.2-2.
1. Download it to your computer from http://d-h.st/dgWW (it is signed so it is recognized as a ZTE recovery and bootloader won't reject it) and extract recovery.img from it.
2. Connect your phone to your computer and boot into bootloader. In your computer type the command
fastboot flash recovery recovery.img
At this point you will have unofficial bootable TWRP again. However you have to unlock your bootloader by following the DrakenFX's guide here https://forum.xda-developers.com/axon-7/how-to/bootloader-unlock-t3437778. You can flash the file in the guide from TWRP too.
Only after the bootloader had been unlocked you will be able to use the official TWRP. The guide to have root+safetynet requires unlocked bootloader. You should have pay attention to the requirements before initiating the steps. However do not worry, your state is easily fixable following the steps.
Thank you everyone. I really appreciate the responses. I had already figured out how to re-install the unofficial twrp, so I just followed @jcadduono's modified instructions and got my bootloader unlocked and the official twrp. I didn't realize the official twrp required the bootloader to be unlocked. I was going to get there eventually anyway, though .
Related
I was going through the usual steps of flashing lineage 14.1 to my Axon 7.
In one of the guides i was following it recommended downgrading to android marshmallow before flashing lineage, which i did.
I had TWRP installed however this got removed when i flashed the stock marshmallow file which included stock recovery.
However, i cant get it to boot into fastboot, i tried, "adb reboot fastboot", and tried the manual method by holding down the power and + vol.
When it reboot it just skips fastboot and just boots normally
I'm not sure what is wrong, whether the bootloader is corrupt or it is completely missing.
I'm not sure how i can flash a new bootloader if i can't use fastboot. If there is a piece of software out there that can flash without fastboot i would be thankful for a pointer.
GeorgeJohnson5610 said:
I was going through the usual steps of flashing lineage 14.1 to my Axon 7.
In one of the guides i was following it recommended downgrading to android marshmallow before flashing lineage, which i did.
I had TWRP installed however this got removed when i flashed the stock marshmallow file which included stock recovery.
However, i cant get it to boot into fastboot, i tried, "adb reboot fastboot", and tried the manual method by holding down the power and + vol.
When it reboot it just skips fastboot and just boots normally
I'm not sure what is wrong, whether the bootloader is corrupt or it is completely missing.
I'm not sure how i can flash a new bootloader if i can't use fastboot. If there is a piece of software out there that can flash without fastboot i would be thankful for a pointer.
Click to expand...
Click to collapse
You got stuff wrong. I don't know if 'reboot fastboot' works, but it's actually "reboot bootloader". Plus they got rid of it since Marshmallow, and you have to install it if you want it.
Use EDL and install TWRP with it (EDL Tool by djkuz , or axon7tool by tennear). Don't even reflash the bootloader
Choose an username... said:
You got stuff wrong. I don't know if 'reboot fastboot' works, but it's actually "reboot bootloader". Plus they got rid of it since Marshmallow, and you have to install it if you want it.
Use EDL and install TWRP with it (EDL Tool by djkuz , or axon7tool by tennear). Don't even reflash the bootloader
Click to expand...
Click to collapse
Thank you, all fixed now and Lineage installed
Hello everyone
My phone suddenly went into a boot look after multiple process getting stopped.
After that its not booting.
Now it shows the unable to mount E:failed to mount /cache (Invalid argument and i haven't unlocked the boot loader.
please help me with the same.
i have tried wipe cache partition , system reset everything,
If I understand correctly you can't use the official bootloader unlock app because your phone isn't booting android. I'm guessing your recovery is also not working or you would just factory reset the device and boot into android to unlock the bootloader.
I don't know of any unofficial way to unlock the bootloader so if I were you i'd just do it the official way.
1. Download the raw firmware for your device as well as the ASUS Flash Tool.
2. Boot your phone into fastboot and flash it with AFT.
3. Boot your phone into android if you can. If not, at lease your recovery should be working now. Download the latest device firmware form the ASUS website and flash it using the recovery menu of your device. (power + vol down)
4. Boot your phone into android install the bootloader apk.
5. Open bootloader unlocker app to unlock the device (you need to be connected to the internet for this bit)
Raw firmware for your device can be difficult to find but this one worked for me https://ainotech.com/how-to-flash-fi...twrp-recovery/
I am looking for the unofficial method because the official method does not work now.
aeioo said:
I am looking for the unofficial method because the official method does not work now.
Click to expand...
Click to collapse
I am successful this way, Peetama flash official beta rom 6.0.1 raw. After successfully booting back to fastboot to flash twrp. Once done, immediately reboot into twrp. Flash the magisk if necessary. But I went straight to the custom rom viper os 3.1.1 and done.
For details You can read the article here TWRP WITHOUT UBL
frp.a320 said:
I am successful this way, Peetama flash official beta rom 6.0.1 raw. After successfully booting back to fastboot to flash twrp. Once done, immediately reboot into twrp. Flash the magisk if necessary. But I went straight to the custom rom viper os 3.1.1 and done.
For details You can read the article here TWRP WITHOUT UBL
Click to expand...
Click to collapse
You flashed the beta kernel and then flashed TWRP and then switched to custom rom right ?
Did that method from the given link worked for you ?
I flashed the beta rom and then when I booted into the system it said Decryption unsuccessful.. Please help me
Maybe I can provide paid services
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Currently running into some issues with TWRP. I follow the official guide on TWRP's website;
I reboot into bootloader (adb reboot bootloader)
Flash the twrp.img (fastboot flash recovery twrp.img)
Reboot straight into TWRP (without any issues) – plugging out the cable and holding the combination keys
When I try to boot up after all of these steps I end up with a bootloop, not going into recovery but getting the Sony screen over and over again. Is this a common issue or am I just a total idiot with an obvious mistake?
ImBrakkie said:
Currently running into some issues with TWRP. I follow the official guide on TWRP's website;
I reboot into bootloader (adb reboot bootloader)
Flash the twrp.img (fastboot flash recovery twrp.img)
Reboot straight into TWRP (without any issues) – plugging out the cable and holding the combination keys
When I try to boot up after all of these steps I end up with a bootloop, not going into recovery but getting the Sony screen over and over again. Is this a common issue or am I just a total idiot with an obvious mistake?
Click to expand...
Click to collapse
Which rom/version? Rooted? Bootloader unlocked? What did you do with the phone before flashing twrp?
levone1 said:
Which rom/version? Rooted? Bootloader unlocked? What did you do with the phone before flashing twrp?
Click to expand...
Click to collapse
Sorry for lack of information in the post.
Running Customized UK (8.0.0) downloaded with XperiFirm and flashed with FlashTool. I got no root, bootloader is unlocked. Phone was working fully and running like it should be before installation of TWRP, after installation of TWRP there is no way of me booting to the system.
ImBrakkie said:
Sorry for lack of information in the post.
Running Customized UK (8.0.0) downloaded with XperiFirm and flashed with FlashTool. I got no root, bootloader is unlocked. Phone was working fully and running like it should be before installation of TWRP, after installation of TWRP there is no way of me booting to the system.
Click to expand...
Click to collapse
I know that if you don't modify your boot img, (rootkernel), Sony security will cause boot failure at any sign of modification. I didn't realize that it would happen just by flashing recovery, and not modifying anything, but I guess so... Flash the rom again, then flash modified boot img before you turn it on, (you can use rootkernel to make one, or copy one from root thread in this forum), then flash TWRP...
levone1 said:
I know that if you don't modify your boot img, (rootkernel), Sony security will cause boot failure at any sign of modification. I didn't realize that it would happen just by flashing recovery, and not modifying anything, but I guess so... Flash the rom again, then flash modified boot img before you turn it on, (you can use rootkernel to make one, or copy one from root thread in this forum), then flash TWRP...
Click to expand...
Click to collapse
That makes sense, I will give it a go another day. Thanks
I've had an essential phone for a few months now. I just now decided to root the phone. I went through an installation guide where I have unlocked the bootloader using fastboot flashing unlock_critical and fastboot flashing unlock. My bootloader is unlocked, so I used the command to find which slot I have. I had an A slot so I followed the instructions, flashed twrp and now when TWRP boots. I have an unresponsive screen. It will not allow me to type anything.
Try booting from this twrp
https://drive.google.com/file/d/1YxJJj96Web0ikHXdHf_zboZT_KSYl7Nj/view
There was an issue with Touch and TWRP. I also ran into this. From within TWRP, I flash the TWRP.zip and it seems to have solved the issue, though touch is still a bit off (slightly skewed to the right but manageable).
I was able to gain root fairly easy. I was following a rooting thread from another forum. Once I switched back to following a root forum from xda. I was good to go. The issue I have now is I have an OTA update waiting, but now I have root. I had an issue with touch on twrp, but I have it solved now. I'm currently running stock with root. I "might" flash LOS soon, I'm not sure...
in the event of no touch you usually need to install twrp
download the twrp zip
and do this once in twrp
adb shell
twrp sideload , it will drop back to cmd line
then you can adb sideload twrp-installer
then you should have fully functional twrp
So i was just following the instructions from this page https://wiki.lineageos.org/devices/flox/install, was able to unlock the bootloader of my nexus 7 device. Now at this point i didnt know my device codename, i thought it was flox but i just noticed on the bootloader page it says deb. [Im a noob..guilty]
Now the 2nd step was no biggie either, i was able to flash twrp recovery, but somehow it was not working as i was keep getting error 1 and vendor invalid argument when i tried to flash the lineage 18.1 zip.
The recovery img i tried were
lineage-18.1-20211018-recovery-flox.img
twrp-3.4.0-0-deb.img
twrp-3.5.0_9-0-flox.img
twrp-3.5.2_9-0-flo.img
twrp-3.5.2_9-0-flo_followmsi.img
Now after flashing twrp recoveries i was getting the problem of not able to flash the LOS 18.1 rom file, plus if i would format the device and then try to reboot the device back to recovery i would get an error with android logo collapsed [check the image]
what am i doing wrong? plz help.
I sense its repartitioning process? also i am not sure if i did an EFS Persists back up.
so if someone can give a walkthrough. would be very greatful _/\_
thanks again
Was your device rooted? Start it in to recovery mode, go to "Mount". And see if you could chose system directory. If not, that means TWRP can't access system directory and will not be able to flash any custom ROM until you sort root permissions.
Edit: Sorry just now noticed that you can't get in to recovery mode anymore. Connect your device to computer and use Nexus Root Toolkit to flash TWRP recovery.