G6 Can't get into download mode (LS993 converted to H873 running android 7) - Sprint LG G6 Questions & Answers

I have an LG G6 that is running Android 7 H873 firmware, but the IMEI reports that it was originally an LS 993. It does not seem to support VOLTE on Android 7. I would like to update it to Android 9, but I cannot get into download mode by holding down the volume+ button and plugging in the USB cable. It does nothing when I do that. In order to get it to boot into anything, I need to push the fingerprint button on the back. Does anyone know how to get into download mode some other way (adb command?), or why it will not boot into download mode when holding VOL+ and plugging in a connected USB cable? Very strange that my phone is having problems that no one else seems to know about. Thank you for your help.

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[Q] I'm SO LOST PLEASE HELP!

I own an LG G2, i recently got this phone yesterday from a person on craiglist. Don't worry i didn't pay him i gave him my older phone i dont use anymore. SO This phone is practically stuck in Firmware Update (As i read that post) , i spent about a day and half figuring it out and what happens is that.
I CAN get into recovery its TWRP v2.7.0.0 by Turning off the phone first and then Holding Vol UP, Power, Vol Down at the same time until the LG Logo comes up and then i am still holding them down, and it says Recovery Mode please wait and bam TWRP.
But heres the problem i can't mount my OTG and i can't ADB Sideload. So what do i do from here?? this guy rooted this phone and soft bricked it i think? and he wiped the phone but i also did when i had the chance and wiped it completly via recovery.
The only way i got into "Download Mode" / "Firmware Update" was to take the back cover off and unscrew a few screws on the side and unclip the battery for a few seconds and then plugged it back in and then I held the VOl UP button and plugged my USB into the phone and the other end is in my PC. My phone says "Download Mode please wait" and then prompted with the Firmware Update screen. BUT my pc doesnt detect the phone whatso ever and i've already installed drivers and etc from this forum ( http://forum.xda-developers.com/showthread.php?t=2432476 ) its the 2015 method that i downloaded.
so what do i have to do, i havent tried using different usb cables, the port seems fine to be plugged in since in TWRP it says 84+ so i meant its charging right? help me out guys idk what else to do or flash or anything.
IAmTechFreq said:
I own an LG G2, i recently got this phone yesterday from a person on craiglist. Don't worry i didn't pay him i gave him my older phone i dont use anymore. SO This phone is practically stuck in Firmware Update (As i read that post) , i spent about a day and half figuring it out and what happens is that.
I CAN get into recovery its TWRP v2.7.0.0 by Turning off the phone first and then Holding Vol UP, Power, Vol Down at the same time until the LG Logo comes up and then i am still holding them down, and it says Recovery Mode please wait and bam TWRP.
But heres the problem i can't mount my OTG and i can't ADB Sideload. So what do i do from here?? this guy rooted this phone and soft bricked it i think? and he wiped the phone but i also did when i had the chance and wiped it completly via recovery.
The only way i got into "Download Mode" / "Firmware Update" was to take the back cover off and unscrew a few screws on the side and unclip the battery for a few seconds and then plugged it back in and then I held the VOl UP button and plugged my USB into the phone and the other end is in my PC. My phone says "Download Mode please wait" and then prompted with the Firmware Update screen. BUT my pc doesnt detect the phone whatso ever and i've already installed drivers and etc from this forum ( http://forum.xda-developers.com/showthread.php?t=2432476 ) its the 2015 method that i downloaded.
so what do i have to do, i havent tried using different usb cables, the port seems fine to be plugged in since in TWRP it says 84+ so i meant its charging right? help me out guys idk what else to do or flash or anything.
Click to expand...
Click to collapse
I think the methods leave out that you need to change your phone to com port 41 on device manager > ports in order to be detected. Then you need to unplug it and reconnect to computer when the program shows waiting for device, with the phone in download mode already.
Also, to get to recovery you hold vol down and power, when the LG logo comes up release power and hold it again until the reset screen comes up.
To get to download mode you turn the phone off then hold up while plugging the USB cord in with it connected to pc... This launches download mode.
Sent from my LG-VS980 using XDA Free mobile app
Yoinx said:
I think the methods leave out that you need to change your phone to com port 41 on device manager > ports in order to be detected. Then you need to unplug it and reconnect to computer when the program shows waiting for device, with the phone in download mode already.
Also, to get to recovery you hold vol down and power, when the LG logo comes up release power and hold it again until the reset screen comes up.
To get to download mode you turn the phone off then hold up while plugging the USB cord in with it connected to pc... This launches download mode.
Sent from my LG-VS980 using XDA Free mobile app
Click to expand...
Click to collapse
Well you see man , I cant change anything in Device Manager since my phone isn't being detected. It didn't install drivers fully fully since my phone isnt recognized. Even in TWRP or "Download Mode/ Firmware Update" Nothing happens no drivers installing or anything even but it does boot it up to that point....and its just normal boot up i see the LG logo and my led goes from green to blueish in a smooth transition and it doesnt stop until i turn it off. The method i got into recovery is holding all those buttons down its not a problem for me to get into it. I also have another problem it doesn't seem to want to mount my usb otg by samsung.
what do i do
So i tried the otg route but I can't mount it. I have everything connected and once I go into recovery to mount usb-otg, nothing happens.
I just need some way to get a ROM.zip in my phone
Computer does not recognize my phone.
Stuck at LG logo unless I enter recovery.
Sideload doesnt work.
OTG doesnt work.
I've tried at least 4 different guides with no luck.
Why don't you manually install drivers from online?
ive tried
tzzeri said:
Why don't you manually install drivers from online?
Click to expand...
Click to collapse
ive tried that already and it doesnt list anything from the LG folder.
I realized the phone will say start the adb sideload feature. so, when i put the "abd sideload file.zip" command on my pc i just wait a few minutes and it says daemon not running on port 5037 and then start successfuly and then error :device not found.
it can seem to reognize my device wether its in recovery, or download mode or fastboot mode.
Try again in other pc that has never been conected to an LG Phone before. It can perfectly be a conflict with drivers installed in the OS.
I've tried man
AFter i cleaned the usb port in one of the chats or forums, i waited a day ovbiously without turning on the phone and cleaned the usb port with alchohal and a q tip and i plugged my phone into my computer and my PC detected something but it only says "Unknown Device" everytime no matter what pc i use it says that. nothing else. but before that none of my pcs would detect theirs a phone plugged in at all.
IAmTechFreq said:
AFter i cleaned the usb port in one of the chats or forums, i waited a day ovbiously without turning on the phone and cleaned the usb port with alchohal and a q tip and i plugged my phone into my computer and my PC detected something but it only says "Unknown Device" everytime no matter what pc i use it says that. nothing else. but before that none of my pcs would detect theirs a phone plugged in at all.
Click to expand...
Click to collapse
Might be a problem with the cord
Sent from my Motorola DynaTAC using XDA Free mobile app
tzzeri said:
Might be a problem with the cord
Sent from my Motorola DynaTAC using XDA Free mobile app
Click to expand...
Click to collapse
No there is no problem with your USB cord or port. You need to do following steps.
http://forum.xda-developers.com/showthread.php?t=2432476
https://www.youtube.com/watch?feature=youtu.be&v=g01Pa7cgdSM&app=desktop
Please let me know if you succeed.
All credit goes to #bender_007

Device doesn't connect to PC

Hi everyone,
I see this is an issue that is being extensively talked about but after trying many solutions proposed by many users I am still out of luck, there is no way I can connect my device to a PC. USB debugging is on, USB config is set to MTP, USB drivers are installed.... but still, no luck, won't connect.
This means that I cannot even unlock the bootloader the official way since the phone goes undetected. I am on MIUI 7 Global Stable MALCNDE and I cannot upgrade to MIUI 8.... because if I reboot to stock recovery from Updater, the phone will reboot to a fancy diagram advising me to plug in a USB cable. Also, if I try to reboot to recovery by holding power/vol +, the phone boots in some terrifying recovery in chinese, with only four options that are translated. One of them is recovery and if I click on it.... I get that fancy looking diagram.
So please, any advice on this would be much appreciated.
Thanks.
Did you tried the official MiFlash app? http://api.bbs.miui.com/url/MiFlash

[Q] Is there a any way to get ADB working on a TA-1025?

Hi, Just got the amazon ads Nokia TA-1025, I'm trying to get ADB working but even if phone detect the USB connection it will never ask for grant permission for PC thru ADB, deleveloper options is active as well as USB debug, tried using universal ADB drivers, included drivers and nokia 3 drivers with no luck, what I want to do is try to flash TA-1021 software or at least get into fastboot, thank you in advance for any advise!
SiulX86 said:
Hi, Just got the amazon ads Nokia TA-1025, I'm trying to get ADB working but even if phone detect the USB connection it will never ask for grant permission for PC thru ADB, deleveloper options is active as well as USB debug, tried using universal ADB drivers, included drivers and nokia 3 drivers with no luck, what I want to do is try to flash TA-1021 software or at least get into fastboot, thank you in advance for any advise!
Click to expand...
Click to collapse
For fastboot
1. Switch of your device
2. Connect your charger either via power or computer, your choice
3. Don't start your device just let it show that the phone is charging in power off mode
4. When you saw the bettery animation of power off charging, press and hold power button+volume plus button together and release only power button when you see android boot logo
5. Keep holding your volume plus button until you see recovery menu
6. In recovery menu you will find reboot to bootloader, select the option and hit power button to get into bootloader
7. Now you can install Mena firmware from Rom thread post of the nokia 6.
Enjoy
Hit thanks button if you find this helpful
Happy flashing
These have locked bootloaders. You are going to brick your phone. Geesh man. Read more before you try stuff like this .

no OS, no recovery, edl not working...

no OS, no recovery, edl not working...
hey
i'm new here
so hello everyone
i write this post because i have no idea what can i do else....
i try every method i found on xda (without dissamble) and my axon 7 still have no os...
long story short
some time ago i flash lineage 14.1 using Axon7_EDL_Tool
everything was ok
but one day lineage updater tell me there is update to lineage os 15,1
but you have to use twrp
so i download update
put it to sd card
reboot to twrp
Wipe system,data and cache
everything like i read instruction
then i flash lineage 15.1 in twrp
but it stop - saying error 7
i did not uprade TWRP - maybe it is a problem....
now i have no os, no twrp
and axon stop on "your device will boot in 5 second"
bootloader unlocked
usb debbuging on
i have win10 64b, win7 32b, win7 64b
I installed drivers for axon 7,
i bought deep flash cable
nothing helps.....
what happens if you connect the charger to your phone while its off? not to pc, to wall charger
also, does the LED flashes once and then turns off while trying to access EDL? or does it stays on all the time? or maybe never lights up at all?
Always, if you update ROM to higher Android version, then you have to check TWRP version. 1st attempt - try to install TWRP.
I think error 7 means that you didn't flash the Oreo bootstack. If you can get into bootloader/fastboot mode then you can follow this to flash TWRP. Or give this a try, I haven't tried it myself though.
you need los15 bootstack lol.Go to los15 thread,download universal bootstack v2,flash in twrp,then flash rom (oreo rom)
Keep pressing power , volume + and volume - and this will force into EDL.
Then flash universal orea bootloader then recovery. Then u should be good to go
I can't flash anything...windows can't see my AXON7 - this is main problem...
I tried the tools you wrote but they can't connect my phone
I don't know what else can I do to communicate between phone and computer
Change the cable.
O tried 4 USB and 2 deep flash...
Pressing power , volume + and volume - will turn the led notification red right?
Then you connect the phone to the PC.
You have to check the device manager, what you see there?
Can you get into FTM?
Vol down and power button.
Try installing Zadig drivers and see if that helps
In the device manager in windows you need to see
Qualcomm HS-USB QDLoader 9008
If all drivers are setup correctly
Try installing twrp via fastboot.
Hope this helps
Nothhhing appears im device manager...
Still nothing..
what happened when you press both volume button and button together? for Oreo it will just show black screen or it will show FTM mode on the screen if you on older bootloader. Keep pressing the 3 button until it show black screen then plug in to your computer... make sure you windows firewall and security is all turn off.
Can you check on Windows' Device Manager if the Axon 7 is recognised as DFU, after you try to enter EDL mode? (Also, usually, the notification light is red and stays on).
Similar situation
Hi,
I'm in a similar situation. I'm guessing my recovery was corrupted. I even disassembled the unit to try to get it into EDL mode, which may be working but the device is just not recognized by my computer, though it does charge. My next step is to try replacing the usb connector, or just move on.
Good luck!
Ed
Hello,
I was in the same situation and this tuto saved my phone
https://forum.xda-developers.com/axon-7/how-to/guide-axon-7-universal-unbrick-t3814413
Hope this works for you !

HELP PLZ, phone hard bricked cannot enter EDL OR FASTBOOT MODE

So I wanted to flash evolution X, which flashed ok but would only boot into fastboot mode. I then went to flash stock 11 rom using the fastboot rom. It flashed ok but when it came to rebooting, the screen just went black. I cannot enter fastboot, recovery or EDL mode. Regardless of the method to get into EDL mode, the computer wont recognise the phone. Device manager doesnt show anything being plugged in and MSMdownload tool doesnt recognise it either. I have the drivers already installed so the computer should recognise it.
What i did one time was:
Start MSM Tool and press start.
Connected the phone with a third party cable and to a usb hub.
Held vol up, vol down and power button for like a minute or longer.
xtcislove said:
What i did one time was:
Start MSM Tool and press start.
Connected the phone with a third party cable and to a usb hub.
Held vol up, vol down and power button for like a minute or longer.
Click to expand...
Click to collapse
nope. didn't work. phone doesn't get recognised by the computer at all.
Roamed around a bit and solved the issue by following this.
Brick Saved!! OnePlus 8 Pro Oxygen OS 12 to Android 11 downgrade brick saved. Methods I used and pitfalls.
Background: OnePlus 8 Pro IN2020 Original OS version is OxygenOS 12 Android 12 How my phone turned into brick: Try flashboot unsupported TWRP and other third party recoveries. After a few tries, eventually causing my phone turning into a brick...
forum.xda-developers.com
You likely just haven't installed the proper drivers. You need those Qualcomm ones so your PC recognizes the phone. Also try different USB cables.

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