I've been trying to downgrade the software so I can install some custom stuff on it but I've ran into issues with the Windows drivers for Download Mode.
I've tried a lot of different drivers on different computers and none work, windows tells me driver installation failed and says it can't start the device.
I've tried LG ADB Drivers for windows, LG Mobile Driver v4.1.1, LG Mobile Driver v4.5.0 and LG PC Suite 5-53.28.
The cables I am using are original Samsung ones and I wonder if the issue lies in this fact.
KDZ updater does not find my phone and LG UP ran through uppercut says my device is not listed.
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I am using an LG G3 D851 for T-Mobile
Whenever I connect my phone to the PC, it shows the following in Device Manager
CDC Serial
LGE Android Phone
LGE Android Phone
I downloaded the "LGUnitedMobileDriver_S50MAN311AP22_ML_WHQL_Ver_3.11.3" file and LG PC Suite
I've also restarted my PC several times and turned of driver signing.
I also called LG Tech Support but they weren't any help. They said their website isn't updated and I need to wait for the "official" drivers to appear there.
wirelessrevolution said:
I am using an LG G3 D851 for T-Mobile
Whenever I connect my phone to the PC, it shows the following in Device Manager
CDC Serial
LGE Android Phone
LGE Android Phone
I downloaded the "LGUnitedMobileDriver_S50MAN311AP22_ML_WHQL_Ver_3.11.3" file and LG PC Suite
I've also restarted my PC several times and turned of driver signing.
I also called LG Tech Support but they weren't any help. They said their website isn't updated and I need to wait for the "official" drivers to appear there.
Click to expand...
Click to collapse
Anyone please help??
wirelessrevolution said:
Anyone please help??
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Click to collapse
I have no luck on windows 7 either with at&t phone. Tried everything but can't get the phone to come up in explorer. I gave up for now.
xxtypeoxx said:
I have no luck on windows 7 either with at&t phone. Tried everything but can't get the phone to come up in explorer. I gave up for now.
Click to expand...
Click to collapse
I got it working in Windows 7. I'm having issues with Windows 8.1.
For Windows 7, download the drivers that I mentioned above and restart your PC. (Make sure your phone is not plugged in while you are installing the driver)
After your PC is fully loaded, plug your phone and that should do it. If it doesn't work then add the path to the driver in the ENVIRONMENT VARIABLES.
Just install LG PC Suite and do the update option under help then connect via USB and if it cannot find it, it'll ask if you want to re-install the USB drivers, do so and it'll work.
I've done the above on 8.1 and had no issues.
people still use a USB cable to connect their phones in 2014?
there are so many wireless solutions that work perfectly, why bother with USB cables?
I too am having the same issue. I have tried installing just the drivers and then installing LG PC suite. I have the same exact 3 devices listed:
CDC Serial
LGE Android Phone
LGE Android Phone
I also am on windows 8.1 update 1 (64 bit) and am very desperate to get this working so I can root my device. Any help would greatly be appreciated!
wase4711 said:
people still use a USB cable to connect their phones in 2014?
there are so many wireless solutions that work perfectly, why bother with USB cables?
Click to expand...
Click to collapse
Yes....
CAP3r5 said:
I too am having the same issue. I have tried installing just the drivers and then installing LG PC suite. I have the same exact 3 devices listed:
CDC Serial
LGE Android Phone
LGE Android Phone
I also am on windows 8.1 update 1 (64 bit) and am very desperate to get this working so I can root my device. Any help would greatly be appreciated!
Click to expand...
Click to collapse
O! the learned one's, could you please explain me how to flash a stock kdz without the usb cable? will be appreciated. as it gives CDC Serial error
waiting for genius answers. this is not Samsung that we will have mobile odin
Hi, I am unable to install MTP drivers for my G3, I am using Windows 7 x64. It just does not install it at all.
So far I reinstalled the LG driver and what they call PC suite, no luck. (no root, original rom)
I have alaso tried enabling USB debugging as someone suggested it but nothing.
Any help is appreciated.Thanks
I'm trying too downgrade to stock 444. It's said to install drivers. When I connect to my win 7 laptop it says drivers installed fine. Article I'm following says to look for com and lpt port option in device manager and expand it. If it's not there install lg drivers from their site. There is no com anything in device manager. Using the driver software from lg site says installed good but then Windows says not installed. Still no com anything.
How can I get this working? Thanks.
Did you connect device in download mode?
Don't know. All I did was connect it to the laptop. Then I hear the laptop make sound when you connect a usb device. It makes it several times and don't try to install drivers. Nothing happens.
I have also connected it and then did the install pc drivers that pops up on the phone to do. That opens the installer on laptop which tries installing drivers. Windows then says the drivers were not successfully installed.
Using the drivers from the lg web site Windows still says not installed successfully.
Anyone please?
I attempted a downgrade to an older version of twrp via twrp in recovery mode. Not sure what I did wrong. Now my LineageOS hangs at the LG logo at startup. When I try to access TWRP using recovery mode, the LG logo flashes on and off (loops). I cannot access the LineageOS to enable debugging, OEM unlock, MTP USB mode, etc...
From a Windows XP SP3 desktop:
I can manually put my D851 into Download mode and can get from Download mode to firmware update mode when connected to a Windows XP computer. The Windows XP computer sees the phone as new hardware ("LGE Android Net MTP") device when connected in Firmware Update mode. In Firmware Update mode, I cannot properly access the phone using the LG PC Suite, ADB/fastboot tools, etc...
I have tried installing various versions of the LG United USB drivers. Originally, the driver installs failed citing "Windows MTP driver" not found and advising me to install Windows Media Format Update. After learning Windows Media player contained the Windows MTP driver, I installed Win Media Player 11. Now the LG United driver install fails but without mentioning missing Windows MTP driver or Windows Media Format 11 runtime updates. I have tried installing the USB drivers using LG PC Suite but it too fails when reinstalling the driver. LG PC Suite cannot connect to my phone. . Ihave tried to install the LGMobile Support Tool (ie. LGMobile Phone Software Update Tool), but the install seems to hang.
I feel that if I could just get a computer to communicate properly with the phone while in Firmware Update mode, I should be able to restore my phone. Does anyone have any ideas on other things I might try?
Thank you
I got stuck in that same boot loop as you. There's a thread that claims that the D851 is unbrickable: https://forum.xda-developers.com/tmobile-lg-g3/help/lg-g3-d851-unbrick-qualcomm-9008-t3430221 But I was also unable to get it to work on my laptop. I think some computers may have a hard time using the drivers correctly and maybe trying another computer is your best bet.
But personally, I ended up sending mine to a J-Tag service on eBay and paying some $30 to get the thing completely reset.
Originally posted in LG G3 TMobile forum, but reposting here to reach a wider audience.
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I attempted a downgrade of my TMobile G3 (D851) to an older version of twrp via twrp in recovery mode. Not sure what I did wrong. Now my LineageOS hangs at the LG logo at startup. When I try to access TWRP using recovery mode, the LG logo flashes on and off (loops). I cannot access the LineageOS to enable debugging, OEM unlock, MTP USB mode, place TWRP/ROM files on phone, etc...
From a Windows XP SP3 desktop:
I can manually put my D851 into Download mode and can get from Download mode to firmware update mode when connected to a Windows XP computer. The Windows XP computer sees the phone as new hardware ("LGE Android Net MTP") device when connected in Firmware Update mode. In Firmware Update mode, I cannot properly access the phone using the LG PC Suite, ADB/fastboot tools, MTP transfer, etc...
I have tried installing various versions of the LG United USB drivers. Originally, the driver installs failed citing "Windows MTP driver" not found and advising me to install Windows Media Format Update. After learning Windows Media player contained the Windows MTP USB driver, I installed Windows Media Player 11. Now the LG United driver install fails but without mentioning missing Windows MTP driver or Windows Media Format 11 runtime updates. I have tried installing the USB drivers using LG PC Suite but it too fails when reinstalling the driver. LG PC Suite cannot connect to my phone. I have tried to install the LGMobile Support Tool (ie. LGMobile Phone Software Update Tool), but the install seems to hang.
I feel that if I could just get a computer to communicate properly with the phone while in Firmware Update mode, I should be able to restore my phone. Does anyone have any ideas on other things I might try?
Thank you