[Q] V30B and install custom recovery. - LG Optimus Black

Does anyone has been in this situation?
With ROM V30B, flashing custom recovery (CWM/TWRP), then reboot recovery.
Is it enter the recovery, or got Security Error?
What I want to say is if reboot recovery working, then I might thinking by flashing via recovery each binary of
gpt1
x-loader
u-boot
boot.img
divxkey
Can we do that?
Or might be it can be done without entering recovery? So I'm able to going back to v20 with custom recovery.
Thanks. :fingers-crossed:

Bring me news bro. Didn't succeed yet on V20?
I haven't tried CWM on stock so pardon my post. If it boots to CWM (when you reboot to recovery) but get Security Error upon booting the device. Making it clear cause people here might not understand.
If it did boot to recovery, you can flash all of those 5 items you mentioned as I did flashed them before with KU5900 build.

Nevermind
Not working.

Related

[Q] Can't flash any CWM through TWRP

I don't remember if I deleted it or what but I only have TWRP 2.6.1 on my device as a recovery and I would like to reinstall CWM on my device. However, every "flashable" CWM zip I have tried through TWRP has failed and I'm not sure why. Don't nwant to brick my device and don't necessarily want to WebOS doctor it if I can avoid it, as my device has run fairly well (I am on 4.2.2). Any/all help is appreciated. Thanks!
I'm guessing that TWRP doesn't support flashing another recovery from it. Have you tried flashing recovery image from fastboot?
bananagranola said:
I'm guessing that TWRP doesn't support flashing another recovery from it. Have you tried flashing recovery image from fastboot?
Click to expand...
Click to collapse
Not yet, although I managed to get a workable CWM running by moving an image to the boot folder and then updating to the latest working version (couldn't get the "touch" version to work via touch, however).
However, I may try flashing via fastboot if something unexpected happens. Thanks for the help

Stuck in binary update in recovery boot loop

I have been using ecliptic JB rom for a long time. I installed SuperSU , thinking it was a better option than Super user. When I installed it said it needed to update the binary code, which I have seen before, so I let it do it in recovery. I have Phil's recovery. And now it's stuck in a boot loop trying to update binary. I can get into boot loader but when I try to get into recovery mode it just tries to update the binary and won't let me flash anything. I am still S-on, I never looked into going S-off. Can anyone help? Thank you.
Can you not enter fastboot and reflash your recovery?
Or, you might have a zip in the open recovery script folder it's trying to run (likely the supersu.zip)?
I can get into fastboot but when I try to open up recovery to try to flash a backup or a rom it shows the funky android trying to update the binary and goes back into boot loop.
Sounds like you need to flash PhilZ again. One of the roms I flashed erased my recovery for some reason, and the way I found out was same as you trying to update the Su binaries. I re-flashed my recovery and it was fine.
Also if you want help getting S-OFF PM me I'll be happy to help

[Q] Stock Rooted / Custom Recovery Process?

Long time flasher here, but I'm trying to do something I often don't do - go back to a stock rooted setup.
When I try to flash the factory images (flash-all.sh) it always errors-out saying it can't find the system.img. So I fastboot flash each img manually. The system boots fine.
But as soon as I flash TWRP into the recovery partition, there is an error message at boot that the system is corrupted and to wipe the data.
What's the trick to get this working? Do I need to flash an insecure boot img first?
Thanks for the info!
That system corruption message is normal when totally stock. You need to flash a modified boot image or custom kernel, which can be found in the forums. That will resolve the corruption message.

Redmi 4X bootloop after installing TWRP?

Hi,
I'm having a bit of trouble. I had a brand new Redmi 4X, and I was advised to install TWRP, root it, and install the Xiaomi.eu rom until LineageOS is released. I unlocked the bootloader, flashed TWRP, managed to get into it once and now I can't do it again. When TWRP loaded it asked me for a password for decryption but it let me just skip it it seems (not sure if that is the problem) but now I can't boot normally, I can't boot into recovery, but fastboot seems to work okay. How do I go about fixing this?
I've tried reflashing TWRP but I still can't get to it, and I don't really know enough about this stuff to know where I've gone wrong.
UPDATE - I think this is to do with dm-verity and having the stock kernel installed. Now it's too late to undo what I've already done, so I hope to god that someone knows how to fix this.
UPDATE - Right, the problem is solved I think. I had to do an awful lot of googling, and I'm not entirely sure what it was specifically that fixed it. But I found a guide that taught me the fastboot command "fastboot boot twrp.img" which saved the day. Even when my phone wouldn't let me into recovery, it allowed me to flash a no-verity.zip which i think is what allowed me to boot, and it allowed me to flash superSU.zip and then the ROM I was aiming for. And now I've booted into the ROM successfully and hopefully I am rooted and all is well. Plus I can access TWRP as normal now.
Any help would be greatly appreciated
Can you boot into TWRP by pressing the buttons so that you boot directly to TWRP??
Have you tried Command Prompt to boot with commands in to recovery??
And if you get into TWRP you should have everything on the SDCard and then just
format all things except SDCard and then flash from SDCard everything
That is what I would try..and yes it ask for a password but just skip it to get to it
If you can get into TWRP to flash from SDCard then you good to go..if not
Google all the commands for CMD..and plug your phone to the PC and flash everything with the
commands.....
Let us know what is working and what not and what steps exectly you are doing
EDIT
Turn off your device > Press and hold “Power” and “Volume +” buttons at the same time.
After short vibration signal release the power button and wait for TWRP to start.
To boot in stock recovery open “Update” app.
In the setting select “Boot in recovery”.
brljak83 said:
Can you boot into TWRP by pressing the buttons so that you boot directly to TWRP??
Have you tried Command Prompt to boot with commands in to recovery??
And if you get into TWRP you should have everything on the SDCard and then just
format all things except SDCard and then flash from SDCard everything
That is what I would try..and yes it ask for a password but just skip it to get to it
If you can get into TWRP to flash from SDCard then you good to go..if not
Google all the commands for CMD..and plug your phone to the PC and flash everything with the
commands.....
Let us know what is working and what not and what steps exectly you are doing
EDIT
Turn off your device > Press and hold “Power” and “Volume +” buttons at the same time.
After short vibration signal release the power button and wait for TWRP to start.
To boot in stock recovery open “Update” app.
In the setting select “Boot in recovery”.
Click to expand...
Click to collapse
Thanks for the reply. I can't get into TWRP. Even if I could get into TWRP how would I get files on the phone to flash them?
Is it possible to flash any rom from the pc directly and if it is will this possibly help? I think it's not booting because the kernel is still stock.
I'm not sure what you mean in the edit, how do I boot into stock recovery without being able to boot the phone (and when I have already flashed TWRP)?
brokemyG2 said:
Thanks for the reply. I can't get into TWRP. Even if I could get into TWRP how would I get files on the phone to flash them?
Is it possible to flash any rom from the pc directly and if it is will this possibly help? I think it's not booting because the kernel is still stock.
I'm not sure what you mean in the edit, how do I boot into stock recovery without being able to boot the phone (and when I have already flashed TWRP)?
Click to expand...
Click to collapse
Hii
I just have been reading about this bootloop
Go over here and read all of the 6 pages..will not take much time but could help you out much
https://forum.xda-developers.com/xiaomi-redmi-4x/development/official-twrp-3-2-1-0-xiaomi-redmi-4x-t3718217
Hey, I have exactly the same problem. Latest stock rom, flashed twrp in fastboot and got into the boot loop. Nothing works. I can only enter fastboot. What exactly did you do then? What is this no-verity.zip? I can't find anything about it.
I had a problem
I unlocked bootloader then installed redwolf recovery and took a nandroid backup. After that i rebooted to system but stuck into bootloop, could not boot to recovery, could not boot into system, So the only thing worked was that i flashed fastboot rom with mi flasher. And syccessfully rebooted to system with bootloader locked and stock recovery. So, if anyone have same problem you can do the same. How do i install recovery safely again? Should i use TWRP only? Should i flash v3.1.0 with lazy flasher or v3.2 directly without lazy flasher? I don't want to stuck into bootloader again, have to get all data deleted.

[Q] TWRP is gone

I tried to boot into recovery to make a backup but TWRP has disappeared - no recovery whatsoever. Phone boots to system only. How can this have happened? I've been using Omni for the past month or so with no problems and updating every Sunday.
To recap, I have not done any modifications since the last opdate.Tried to boot into recovery and it is gone. Since only using Omini ROM I thought it was a ROM issue but no one in the Omni thread as been able to help so posting it here.
I can probably flash it again but am puzzled why is should just vanish.
The recovery might have got updated and the last update has overwritten TWRP, so it may be the cause of disappearance, but I'm not sure. You should've got standard recovery bundled with ROM.
And yes, just flash TWRP and it should work again. No need to flash Magisk or custom kernel, since you're on custom ROM.
Recovery partitions may have been corrupted. Try fastboot erase cache, and then fastboot flash recovery (TWRP). See if it boots into TWRP then.
TRWP installed again
Many thanks to all.
Recovery back! Still don't know why it disappeared.

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