Develop Bugs

So, my phone is screwed, I am screwed someone pls help

I have ZE55ML 4gb version. Ok so, tried manually applying an ota update to my phone, i renamed it to MOFD_SUPDATE or whatever its supposed to be. I did not unroot or anything. It didnt work i got the error error executing updater binary in zip. So then I wiped my cach/dalvik, data, and system like a moron reboot into recovery and tried the update again... well it failed again... so I tried to just reboot my phone and now its stuck on the damn ASUS powered by android screen... I can turn it off by holding the power button and turn it on the same way and it will be stuck there. I would have been able to fix this by myself but I cant boot into bootloader/recovery. Power+volume up doesnt do and neither does Power+volume down.... So what do I do am I just ****ed?
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KnightmareZ3R0 said:
I have ZE55ML 4gb version. Ok so, tried manually applying an ota update to my phone, i renamed it to MOFD_SUPDATE or whatever its supposed to be. I did not unroot or anything. It didnt work i got the error error executing updater binary in zip. So then I wiped my cach/dalvik, data, and system like a moron reboot into recovery and tried the update again... well it failed again... so I tried to just reboot my phone and now its stuck on the damn ASUS powered by android screen... I can turn it off by holding the power button and turn it on the same way and it will be stuck there. I would have been able to fix this by myself but I cant boot into bootloader/recovery. Power+volume up doesnt do and neither does Power+volume down.... So what do I do am I just ****ed?
Click to expand...
Click to collapse
Hold power for about 10+ seconds and it will turn off.
Go to Original Android Developement and then find pre-rooted rom. The latest for the 551ML is 2.20.40.90, put the phone in bootloader mode and install the system.img file using fastboot.
Next time unroot...

Lol....

"Failed to boot to recovery mode..." - Suggestions?

Hi Everyone!
It's been a long time since I posted here. Just got an M9 and having a few issues, It's obviously been flashed with custom ROMs before, is S-OFF and unlocked.
Unfortunately I can't get into the recovery, Ideally I'd like to return to a close to stock ROM. It throws up this message when I try to get in:
"Failed to boot to recovery mode... This build is for development purposes only..."
Download mode says "SD NOT MOUNTED" at the bottom (I don't know if that's normal)
I've tried to install various versions of TWRP via fastboot to no avail!
I've flashed lots of ROMs to my M8 before with no problems, but just having trouble as I don't know what's been changed on this phone! Any help much appreciated!
Few more details pulled from download mode:
htc_himauhl PVT S-OFF
CID-ORANG001
LK-1.0.0.0000
firmware version: 0x7
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Solved. Just had to flash TWRP, then go straight to recovery before getting to OS by holding UP/DOWN as it rebooted. Tiny little quirk!

what do you meen had to flash

I have a problem like that but I can't boot to download mode either. I get the message "failed to boot to download mode" then at the bottom "this build is for development purposes only ...". Please help!

Redfox511 said:
I have a problem like that but I can't boot to download mode either. I get the message "failed to boot to download mode" then at the bottom "this build is for development purposes only ...". Please help!
Click to expand...
Click to collapse
Flash Twrp 2.9.0.1 "if you're rooting it".
Beamed in by telepathy.

shivadow said:
Flash Twrp 2.9.0.1 "if you're rooting it".
Beamed in by telepathy.
Click to expand...
Click to collapse
The thing is I didn't have usb debugging enabled when the device crashed and started a boot loop. Now I'm stuck in the bootloader and I don't know what to do? Any advice?

Redfox511 said:
The thing is I didn't have usb debugging enabled when the device crashed and started a boot loop. Now I'm stuck in the bootloader and I don't know what to do? Any advice?
Click to expand...
Click to collapse
In bootloader mod you have to use fastboot not adb.
Adb is only for OS or TWRP.
So you can try to flash recovery in bootloader with
fastboot flash recovery filename.img
then try to boot from recovery to download mode

Stock Bootloader loop, can't go into recovery mode, tried everything

I wanted to downgrade to 5.0 to unlock the bootloader and install a custom recovery and ROM. Used the official FW from the Asus page, installed it from within the OS (android MM stock). It all went as expected until at the end of the install it rebooted and got into the bootloader screen instead of booting normally. It won't go into recovery.
Phone will NOT turn on with power button + volume down button, not ever.
Power button + volume up does nothing, it turns the phone on just like the power button alone would do.
Once in the stock bootloader if I select [recovery mode] it will simply reset and go back to where I was. I never get the dead android error, it just go back to the bootloader select menu
I get this screen
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What can I do? all the tutorials I seen either asume I can get into recovery or use power button + volume down button which in my case doesn't works

Find images of system, ifwi, recovery etc. and fastboot flash them. you can try first with recovery only. the adb command will be "fastboot flash recovery recovery.
img" just search the forum plenty of guides here

kojata said:
Find images of system, ifwi, recovery etc. and fastboot flash them. you can try first with recovery only. the adb command will be "fastboot flash recovery recovery.
img" just search the forum plenty of guides here
Click to expand...
Click to collapse
I looked at the guides, most require recovery on the phone to work (it doesnt here, just reboots back into the bootloader) and for some reason adb can't find this phone, tried on 2 different computers

BTW I tried with another android phone and adb worked just fine
How is it possible no computer can even tell this phone is connected at all?

Flashed corrupted boot image and now can't can't boot into bootloader or recovery

Hi all.
Did a stupid thing.
I downloaded firmware file for my Galaxy S20 Ultra 5G (SM-G988B) Exynos as an MD5 file and extracted the file which came out as a .img file instead of .lz4 (which I overlooked until the damage was done!).
So not noticing the file was the wrong type, I used 7-Zip to tar it, copied it to my phone's SD card, then patched it with latest Magisk manager app. After this, I copied it back to my laptop and flashed this file using Odin.
Result: Phone goes to insecure boot warning screen but of course here it goes wrong:
It won't proceed to booting up
Power+volume up key combination or power alone do nothing no matter how long you hold them in
It boots to to same insecure boot warning screen if you use either power+volume down, or power+volume down+volume up key combination with cable unplugged. With cable plugged in it restarts to a charging icon, which promptly freezes, and stays on the screen even if you unplug the cable.
I have managed to get it into stock recovery by holding power+volume up+volume down randomly once in a while (usually it goes to insecure boot warning screen as usual), but if I select Reboot to bootloader, it does not manage to open download mode, and hangs on red text that says "entering fastboot mode"
QUESTION: If I can get it back into recovery, is there a way to re-flash stock firmware without download mode on this device using ADB (or any other method)?
Or is my phone a brick for good?

FIXED!
I managed to flash an Android 11 One UI 3.0 Beta via ADB sideload. While it didn't finish properly due to corrupted boot image and possibly not the prerequisite firmware, all was not lost. It ran okay right to the end, when it said "installation aborted".
Once I had got this far Download mode was working again, THANK HEAVENS!
Opened Odin, and flashed away. I'm now back on Stock firmware and didn't even lose my data thanks to the vbmeta_disabled file I flashed in USERDATA section.
Talk about getting out of Jail!

jesterpaul said:
FIXED!
I managed to flash an Android 11 One UI 3.0 Beta via ADB sideload. While it didn't finish properly due to corrupted boot image and possibly not the prerequisite firmware, all was not lost. It ran okay right to the end, when it said "installation aborted".
Once I had got this far Download mode was working again, THANK HEAVENS!
Opened Odin, and flashed away. I'm now back on Stock firmware and didn't even lose my data thanks to the vbmeta_disabled file I flashed in USERDATA section.
Talk about getting out of Jail!
Click to expand...
Click to collapse
will that method work on my note10+?
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Recovery_ramdisk EMUI 10 with access to patched eRecovery (with TWRP installed on it)

For those who want keep the erecovery as a fail-safe.
Fully functional on our device except for OTA updates (logical).
If you enter Recovery from TWRP or through the extended reboot menu, it is almost the same as on our EMUI 9.
But if you enter with the Volume Up + Power buttons, then an additional menu will appear from which you can enter other modes:
- Updating via dload method
- Updating from a computer via USB
- eRecovery mode
So you can enter eRecovery even though TWRP is installed on it , that could be very useful.
It works on stock recovery as well as on magisk-patched recovery.
( How to enter magisk-patched Recovery:
Boot into Recovery, when the yellow warning appears on the screen, press and hold Volume Up for ~ 2 sec,
release the button and immediately press and hold again for ~ 2 sec. Repeat it 6-7 times, the device will reboot into Stock Recovery ).
Download
Photos:
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thanks for this support that bro. They gave me this cell phone and it turns out that the bootloader cannot be removed easily. I hope I make it. Thanks for everything. when i can do this

So you are telling me you can boot EMUI 10 on P20 Lite?

MariyanGOD said:
So you are telling me you can boot EMUI 10 on P20 Lite?
Click to expand...
Click to collapse
I never said that. Where did you read that?

-Alf- said:
Fully functional on our device except for OTA updates (logical).
If you enter Recovery from TWRP or through the extended reboot menu, it is almost the same as on our EMUI 9.
But if you enter with the Volume Up + Power buttons, then an additional menu will appear from which you can enter other modes:
- Updating via dload method
- Updating from a computer via USB
- eRecovery mode
So you can enter eRecovery even though TWRP is installed on it , that could be very useful.
It works on stock recovery as well as on magisk-patched recovery.
( How to enter magisk-patched Recovery:
Boot into Recovery, when the yellow warning appears on the screen, press and hold Volume Up for ~ 2 sec,
release the button and immediately press and hold again for ~ 2 sec. Repeat it 6-7 times, the device will reboot into Stock Recovery ).
Download
Photos:
View attachment 5449611
View attachment 5449613
Click to expand...
Click to collapse
Great...