Develop Bugs

Completely unable to boot to download mode

Hi, as the title says I am completely unable to boot to download mode on my E988. I have literally tried every possible combination of button pressing but nothing works. I have tried rebooting to bootloader from cwm but that doesnt work either, all it does is reboot, show the LG logo, then it reboots normally.. I have tried using terminal emulator to use the command "reboot download" but it doesnt work either, all it does is reboot, show the LG logo, then it reboots normally again. It seems that I am completely unable to access it at all. Any ideas?

Have you try with one end of the usb cord already plug in either your computer or phone, hold down both volume buttons, and plug in the other end. This was the only way down load mode would came on for me until I fixed the phone.

Yup I have. No combination of keys and button pressing seems to work for me it's odd.
Sent from my LG-E988 using XDA Free mobile app

To add on to my previous post, when I do the method whereby I hold vol + and vol - and plugging the usb cord in without my phone's battery, a message shows up when it is detected saying that a "...usb device has malfunctioned...". My phone will then just keep showing the lg logo over and over again causing the message to pop up again and again as the phone is detected and then not detected and the cycle just repeats itself. I have tried to reinstall lg drivers but nothing seems to work...
Edit: It would seem that the phone is indeed trying to boot to download mode whether I use the key combination or command, but it is unsuccessful in doing so and just reboots. Has anyone ever encountered this problem?

i can't access download mode on my lg f240l
guys please help me
i have tried to install a cwm on my lf but when i tried to restart it boots up and stopped on lg logo
i want to use flash tool i have the dll and tot file bot i can't access download mode (does not work vol + and connecting it with usb)
and when you start the power button menu and back keys blinking
Does anyone know what to do?

sllavy said:
i can't access download mode on my lg f240l
guys please help me
i have tried to install a cwm on my lf but when i tried to restart it boots up and stopped on lg logo
i want to use flash tool i have the dll and tot file bot i can't access download mode (does not work vol + and connecting it with usb)
and when you start the power button menu and back keys blinking
Does anyone know what to do?
Click to expand...
Click to collapse
i made it
1 pulled out the battery
2 press volume key up and down(at the same time)
3 plug the usb
and it worked !!!!
happy with download mode and flash tool

sllavy said:
i made it
1 pulled out the battery
2 press volume key up and down(at the same time)
3 plug the usb
and it worked !!!!
happy with download mode and flash tool
Click to expand...
Click to collapse
I have tried that at least a 100 times (I really did) but it doesnt work for me...

Me too, I'm having the same problem, I'm totally unable to get into download mode using standard methods (vol up/down, battery in, battery out etc etc)

dkusnierz said:
Me too, I'm having the same problem, I'm totally unable to get into download mode using standard methods (vol up/down, battery in, battery out etc etc)
Click to expand...
Click to collapse
I have the same problem, and I don´t know what to do. I get lost.....
I can understand why this happend. It should be a simple way to enter in download mode, but nothing results. I´m almost crazy...

Rucosta said:
I have the same problem, and I don´t know what to do. I get lost.....
I can understand why this happend. It should be a simple way to enter in download mode, but nothing results. I´m almost crazy...
Click to expand...
Click to collapse
Please help. I am stuck too... No download mode is insane

[VIDEO] Stuck in bootloop (Not Hardware)

Hi, it's my first time posting here as I was unable to find a solution looking at similar threads.
Anyways, I was trying to install another ROM on the G4 but I think I messed up deleted everything entirely and got bootlop and reboot. I'm not exactly sure what I was doing as I'm new to these things.
What leads me to believe that this is not a hardware issue (as widely covered) is that during the bootloop, there's a tiny little green android in the middle of the screen with a small 3D box on belly.
When trying to solve this issue, I've tried:
Volume Up + Power to enter Download Mode
Nothing happens - back to the green droid
Volume Up + Power + USB to computer to enter Download Mode
Nothing happens - back to the green droid
Volume Up ONLY + USB to computer to enter Download Mode
Goes in Download Mode for a few seconds, but then goes back to the green droid
Volume Down + Power to enter Recovery Mode
Nothing happens - back to the green droid
Volume Down + Power to enter Hard Reset Mode
Allows me to factory reset, but then back to the green droid and bootloop
Connecting the G4 to the computer to see if phone would be available in device manager -
Not found
Nothing I've tried seems to shake off the little green android.
The phone doesn't connect to the computer at all.
Here's a video: youtu(dot)be/MfnkhZTPOz0
The top left of the G4 says "Bootloader State : Bootloader Unlocked!"
Here's a clearer image of the green android: android-hilfe(dot)de/attachments/2012-09-22-03-41-16-jpg.124036
Any suggestions?

Try this
http://forum.xda-developers.com/android/general/unbrick-lg-model-download-recovery-t3060184
thebeardedshade said:
Hi, it's my first time posting here as I was unable to find a solution looking at similar threads.
Anyways, I was trying to install another ROM on the G4 but I think I messed up deleted everything entirely and got bootlop and reboot. I'm not exactly sure what I was doing as I'm new to these things.
What leads me to believe that this is not a hardware issue (as widely covered) is that during the bootloop, there's a tiny little green android in the middle of the screen with a small 3D box on belly.
When trying to solve this issue, I've tried:
Volume Up + Power to enter Download Mode
Nothing happens - back to the green droid
Volume Up + Power + USB to computer to enter Download Mode
Nothing happens - back to the green droid
Volume Up ONLY + USB to computer to enter Download Mode
Goes in Download Mode for a few seconds, but then goes back to the green droid
Volume Down + Power to enter Recovery Mode
Nothing happens - back to the green droid
Volume Down + Power to enter Hard Reset Mode
Allows me to factory reset, but then back to the green droid and bootloop
Nothing I've tried seems to shake off the tiny little green android.
The phone doesn't connect to the computer at all.
Here's a video: youtu(dot)be/MfnkhZTPOz0
The top left of the G4 says "Bootloader State : Bootloader Unlocked!"
Here's a clearer image of the green android: android-hilfe(dot)de/attachments/2012-09-22-03-41-16-jpg.124036
Any suggestions?
Click to expand...
Click to collapse

From the thread you gave me it says 'YOU GET QHSUSB BULK MODE IN DEVICE MANAGER THEN INSTALL QUALCOMM DRIVER'.
But unfortunately, when I connect my G4 to the computer, it does not register 'QHSUSB_BULK'. In fact, it does nothing at all. The phone keeps rebooting and the computer does not detect.
So I cannot get either 'QUALCOMM HS-USB 9008' or 'QUALCOMM HS-USB 9006'.
gabytzubc said:
http://forum.xda-developers.com/android/general/unbrick-lg-model-download-recovery-t3060184
Click to expand...
Click to collapse

Maybe its the partition table bricked. How did u get in this bootloop ? Few days ago i search half a Day to repair a soft bricked xiaomi. And nothing seems to worknbecoz the partition table was gone. So i have to do it în fastboot mode to write the partition table and flash all the files and after that use usual programe to flash and a new kdz
gabytzubc said:
Its not icon pack its g5 theme
Sent from my LG-H815 using XDA-Developers mobile app
Click to expand...
Click to collapse
thebeardedshade said:
From the thread you gave me it says 'YOU GET QHSUSB BULK MODE IN DEVICE MANAGER THEN INSTALL QUALCOMM DRIVER'.
But unfortunately, when I connect my G4 to the computer, it does not register 'QHSUSB_BULK'. In fact, it does nothing at all. The phone keeps rebooting and the computer does not detect.
So I cannot get either 'QUALCOMM HS-USB 9008' or 'QUALCOMM HS-USB 9006'.
Click to expand...
Click to collapse
Sent from my LG-H815 using XDA-Developers mobile app

Any way to unbrick without modifying the wire?

i am sorry but i have searched a lot but i couldn't unbrick my ZUK Z2, i flashed the Deodexed stock ROM and then the screen went all black with the LED glowing. If i press the power button i just see the ZUK logo and the screen goes black, i tried to boot it into fastboot but no luck. I somehow managed to get into the 9008 mode but while flashing with QFIL i get the sahara error saying unable to read header or something and with MiFlash i am getting "cannot read hello packet"
Any Help will be appreciated
EDIT:
The device has been fixed, i had to press the download button on the QFIL as soon as my phone boots into EDL mode.

did you flash through twrp? and if your bootloader if unlocked then you should have 5 sec bootloader placeholder from where u can reboot recovery . and if you are stuck into something different then it will be difficult to recover but possible. for sahara fail , play with settings in qfil like emmc, reset ,etc and try.And you can remove the port from device manager and retry if u r getting 9008 port.You should not get sahara fail. You will be get out of this easily just try things suggested. Your device is live as zuk logo is showing so dont worry.
And use latest qfil: http://www.androidbrick.com/download/download-latest-qualcomm-flasher-qfil-qpst-2-7-460/#
EDIT: Try this too-
Bootloader mode: shutdown state, press and hold the volume plus key + volume minus key, while the usb line connected to the computer until the release button.
Qualcomm QPST (9008 port) : shutdown state, press and hold the volume plus key, press the power button at the same time usb cable to connect the computer. This mode is a black screen state.
For recovery: press and hold the power key + the volume plus key + the volume down key until you release the release button.

Just buy DFC cable a.k.a Deep Flash Cable. The cable is same as you wire cable manualy

Kalp3sh S1NGH said:
i am sorry but i have searched a lot but i couldn't unbrick my ZUK Z2, i flashed the Deodexed stock ROM and then the screen went all black with the LED glowing. If i press the power button i just see the ZUK logo and the screen goes black, i tried to boot it into fastboot but no luck. I somehow managed to get into the 9008 mode but while flashing with QFIL i get the sahara error saying unable to read header or something and with MiFlash i am getting "cannot read hello packet"
Any Help will be appreciated
Click to expand...
Click to collapse
Onces that you are in 9008 mode you need to use ADB
"Adb reboot edl"
You are a lucky guy, i needed to conect grenn and black cable of the smartphone to put in 9008 mode

ozi87 said:
Onces that you are in 9008 mode you need to use ADB
"Adb reboot edl"
You are a lucky guy, i needed to conect grenn and black cable of the smartphone to put in 9008 mode
Click to expand...
Click to collapse
So i plug my phone in 9008 mode and go straight to adb?

Kalp3sh S1NGH said:
So i plug my phone in 9008 mode and go straight to adb?
Click to expand...
Click to collapse
Have you both any idea about adb! Edl is itself 9008 mode also called download mode. Adb is debug bridge and it is used in OS to control it by this bridge from PC.

pixel0 said:
Have you both any idea about adb! Edl is itself 9008 mode also called download mode. Adb is debug bridge and it is used in OS to control it by this bridge from PC.
Click to expand...
Click to collapse
yes exactly, that's why i asked.

pixel0 said:
did you flash through twrp? and if your bootloader if unlocked then you should have 5 sec bootloader placeholder from where u can reboot recovery . and if you are stuck into something different then it will be difficult to recover but possible. for sahara fail , play with settings in qfil like emmc, reset ,etc and try.And you can remove the port from device manager and retry if u r getting 9008 port.You should not get sahara fail. You will be get out of this easily just try things suggested. Your device is live as zuk logo is showing so dont worry.
And use latest qfil: http://www.androidbrick.com/download/download-latest-qualcomm-flasher-qfil-qpst-2-7-460/#
EDIT: Try this too-
Bootloader mode: shutdown state, press and hold the volume plus key + volume minus key, while the usb line connected to the computer until the release button.
Qualcomm QPST (9008 port) : shutdown state, press and hold the volume plus key, press the power button at the same time usb cable to connect the computer. This mode is a black screen state.
For recovery: press and hold the power key + the volume plus key + the volume down key until you release the release button.
Click to expand...
Click to collapse
I think the bootloader is locked again, i can't boot into recovery. I tried the latest QPST and still getting unable to read packet header read 0 bytes error and Sahara Failed.

Kalp3sh S1NGH said:
I think the bootloader is locked again, i can't boot into recovery. I tried the latest QPST and still getting unable to read packet header read 0 bytes error and Sahara Failed.
Click to expand...
Click to collapse
If bootloader is locked or unlocked , 9008 mode will work for sure. Also Use buttons combination to enter fastboot if u can then unlock and flash recovery from there .

To avoid this problem again, when you flash stock roms after using Custom Roms, make sure you format the System, data and cache partitions back to EXT4 format, since Stock firmware (even the moded ones) DOES NOT support any other System/Data/ Cache format.
After loading the bootloader, the phone will end with black screen and white led on. You just need to reboot on recovery again and advance format System/ Data/ Cache back to EXT4, connect the phone to the PC again, transfer the ROM file to the internal storage and make the Flash again...
Hope this help you

HArd bricked?

DELETE THIS THREAD PLEASE, PROB is SOLVED
I tried to install lineage os via twrp and i think my tablet its now hardbricked....It go on a blackscreen after the google startup logo and i can'T access bootloader even if it's unlocked, the menu of recovery, bootloader etc don'T pop up when i try button power and vol down....Is there any way to fix that?

myusernameisalreadytaken said:
I tried to install lineage os via twrp and i think my tablet its now hardbricked....It go on a blackscreen after the google startup logo and i can'T access bootloader even if it's unlocked, the menu of recovery, bootloader etc don'T pop up when i try button power and vol down....Is there any way to fix that?
Click to expand...
Click to collapse
Are you sure that in any statup mode you only see the Google logo and then the unit turns off?
Do the following test:
- charge your N7'13 for several hours
- connect it to a PC, and while still connected...
- boot in fastboot mode, "With the device powered off, hold Volume Down + Power until the bootloader appears, then release the buttons."
- observe your PC for new USB device indication (in Device Manager)
What's the new device ID number (if any)?
e.g.
USB\VID_18D1&PID_4EE0
USB\VID_05C6&PID_9008

LOS 15.1 (flex11 build) doesnt have a bootanimaltion. So after rebooting to system You should see a Google logo, then a black screen until setup wizard shows up
Sent from my whyred using XDA Labs

k23m said:
Are you sure that in any statup mode you only see the Google logo and then the unit turns off?
Do the following test:
- charge your N7'13 for several hours
- connect it to a PC, and while still connected...
- boot in fastboot mode, "With the device powered off, hold Volume Down + Power until the bootloader appears, then release the buttons."
- observe your PC for new USB device indication (in Device Manager)
What's the new device ID number (if any)?
e.g.
USB\VID_18D1&PID_4EE0
USB\VID_05C6&PID_9008
Click to expand...
Click to collapse
When i plug it i see LeMobile Android device android composite ADB Interface and when i click on it i see the device id
USB\VID_18D1&PID_4EE7
I can't boot in fastboot mode the screen come black with a backlight after the google logo and nothing happen...
When i flashed the rom i've see the android app update and nothing after

myusernameisalreadytaken said:
When i plug it i see LeMobile Android device android composite ADB Interface and when i click on it i see the device id
USB\VID_18D1&PID_4EE7
I can't boot in fastboot mode the screen come black with a backlight after the google logo and nothing happen...
When i flashed the rom i've see the android app update and nothing after
Click to expand...
Click to collapse
USB\VID_18D1&PID_4EE7 - wow I haven't seen this one before.
Please clarify and/or confirm:
- is it actually Nexus 7 2013 2nd gen?
- what exactly lineage os version/link did you flash?
- "With the device powered off, hold Volume Down + Power until the bootloader appears..." you get blank screen with backlight and USB\VID_18D1&PID_4EE7 on your PC
- "With the device powered off, hold Volume Down + Power..." does it respond OK to "fastboot devices" command on your PC?
NOTE - "With the device powered off, hold Volume Up + Power" gets you into recovery with ADB ID similar to USB\VID_18D1&PID_4EE7 - Have you mixed up " Volume Up" and " Volume Down"?
This case is perplexing and that's why I'm repeating and confirming everything. If it is indeed N7'13 AND there is no hardware issue AND you can't get into fastboot, then proceed to the unbricking guide - https://forum.xda-developers.com/showpost.php?p=75360854&postcount=199
To enter 9008 mode...
- turn it off and disconnect USB
- press both vol buttons and...
- plug in to a PC

k23m said:
USB\VID_18D1&PID_4EE7 - wow I haven't seen this one before.
Please clarify and/or confirm:
- is it actually Nexus 7 2013 2nd gen?
- what exactly lineage os version/link did you flash?
- "With the device powered off, hold Volume Down + Power until the bootloader appears..." you get blank screen with backlight and USB\VID_18D1&PID_4EE7 on your PC
- "With the device powered off, hold Volume Down + Power..." does it respond OK to "fastboot devices" command on your PC?
NOTE - "With the device powered off, hold Volume Up + Power" gets you into recovery with ADB ID similar to USB\VID_18D1&PID_4EE7 - Have you mixed up " Volume Up" and " Volume Down"?
This case is perplexing and that's why I'm repeating and confirming everything. If it is indeed N7'13 AND there is no hardware issue AND you can't get into fastboot, then proceed to the unbricking guide - https://forum.xda-developers.com/showpost.php?p=75360854&postcount=199
To enter 9008 mode...
- turn it off and disconnect USB
- press both vol buttons and...
- plug in to a PC
Click to expand...
Click to collapse
I dindt know for power+vol up.....with that i've fixed my problem! i'Ve reinstalled lineage 14.1 and it work.... The only issus it's i dind't see the normal fastboot or bootlarder menu with vol down...

Question Need help unbricking -> EDL not accessible for MSM

[SOLVED see post below]
Hi all,
Just bricked my Phone and can't access MSM. Hope you can help me. I will try to be very clear on the steps I took to get to this point.
Device: EU OnePlus 9 Pro
What is was trying to do: Go from rooted C.47 to Pixel Entended ROM
What I did:
Code:
Unrooted using Magisk uninstall option
Updated to c.48 through OTA
Go to lineageOS page on how to ensure all firmware partitions are consistent
very stupidly did not flash dtbo and vendor boot partition
did adb reboot fastboot in stead of abd reboot bootloader
Download the "lineage-19.1-20220701-recovery-lemonadep.img" and tried to temporaryly flash it by
fastboot flash boot <recovery_filename>.img
This resulted in the device getting stuck on the 1+ boot logo.
I can still force turn it off by holding Volume Up + Power.
When I try to access EDL by turned off and Vol UP + Vol Down + Plug and release, My PC makes a connection sound and the screen stay black for a while. After +- 10 seconds, the PC makes a disconnection sound and the phone boots up and gets stuck again on the 1+ bootup icon.
Also my phone won't stay turned off when plugged in the charger or pc

Yes, but what is it presenting as (i.e. EDL, fastboot, ADB, UMS...) when it connects?
If this is Windows, UsbLog.exe is handy to identify things popping up (as long as they have drivers installed).
For a list of devices that have ever tried to connect, try "enumusb.exe /l".
Both available here: https://www.temblast.com/windows.htm

Renate said:
Yes, but what is it presenting as (i.e. EDL, fastboot, ADB, UMS...) when it connects?
If this is Windows, UsbLog.exe is handy to identify things popping up (as long as they have drivers installed).
For a list of devices that have ever tried to connect, try "enumusb.exe /l".
Both available here: https://www.temblast.com/windows.htm
Click to expand...
Click to collapse
I will try this

I found the issue:
> EDL exits after 10 seconds if it is not captured by the MSM tool.
> The MSM tool only monitored 4 of my 10 USB ports
> So it was not captured because I was plugged in to an unmonitored USB port and rebooted after 10 seconds
> I have successfully used the MSM tool now

Oh! A bit off-topic, but I have never understood why EDL is commonly used over a "serial" port.
The interface that EDL presents is a generic USB bulk interface with two endpoints. You can use it just like that.
But no. They have to use a Qualcomm driver that makes it look like a "serial" port and then you can connect to that.
Me? I use a generic "WinUSB" Zadig driver. I have an EDL client that just connects to that fine.
So does the Python client implementation.
Also, I've never run into that 10 second timeout.

TraktorHenk said:
[SOLVED see post below]
Hi all,
Just bricked my Phone and can't access MSM. Hope you can help me. I will try to be very clear on the steps I took to get to this point.
Device: EU OnePlus 9 Pro
What is was trying to do: Go from rooted C.47 to Pixel Entended ROM
What I did:
Code:
Unrooted using Magisk uninstall option
Updated to c.48 through OTA
Go to lineageOS page on how to ensure all firmware partitions are consistent
very stupidly did not flash dtbo and vendor boot partition
did adb reboot fastboot in stead of abd reboot bootloader
Download the "lineage-19.1-20220701-recovery-lemonadep.img" and tried to temporaryly flash it by
fastboot flash boot <recovery_filename>.img
This resulted in the device getting stuck on the 1+ boot logo.
I can still force turn it off by holding Volume Up + Power.
When I try to access EDL by turned off and Vol UP + Vol Down + Plug and release, My PC makes a connection sound and the screen stay black for a while. After +- 10 seconds, the PC makes a disconnection sound and the phone boots up and gets stuck again on the 1+ bootup icon.
Also my phone won't stay turned off when plugged in the charger or pc
Click to expand...
Click to collapse
Your phone needs to be in OFF state mode when you're using EDL.
So, very simple:
Enter bootloader mode by holding both volume buttons with the power button together till your phone restarts and enters the bootloader.
From the bootloader screen you can use the volume buttons to navigate through the choices and you can select "Switch off".
When you complete this, you need to hold both volume buttons, and while holding them connect the cable (PC).
If you don't have or you don't have the correct Qualcomm EDL drivers installed, your phone will reboot or start to boot, it won't stay in EDL mode for longer than 10 seconds.
I also got the correct drivers for you, but you need to install the drivers manually while your device is in "EDL" mode, so, you need to be a bit "fast".
I have even a video for you, but need to upload it to YouTube so you can watch it.
I'll share you here the drivers just in case if you're familiar with a manual installation of the drivers.

ekin_strops said:
Your phone needs to be in OFF state mode when you're using EDL.
So, very simple:
Enter bootloader mode by holding both volume buttons with the power button together till your phone restarts and enters the bootloader.
From the bootloader screen you can use the volume buttons to navigate through the choices and you can select "Switch off".
When you complete this, you need to hold both volume buttons, and while holding them connect the cable (PC).
If you don't have or you don't have the correct Qualcomm EDL drivers installed, your phone will reboot or start to boot, it won't stay in EDL mode for longer than 10 seconds.
I also got the correct drivers for you, but you need to install the drivers manually while your device is in "EDL" mode, so, you need to be a bit "fast".
I have even a video for you, but need to upload it to YouTube so you can watch it.
I'll share you here the drivers just in case if you're familiar with a manual installation of the drivers.
Click to expand...
Click to collapse
Thanks for the help. The problem ended up to be a bit different than this for me, but this is a good post for anyone to find in the future!