Good Day, All I tried Flashing my LG K10 M250Y with the latest firmware but during flashing the cable was loose and one of the pins didn't make contact so it stopped flashing, Now when I try to connect to LG UP it keeps telling me Uknown device, but it sees the device on com9, I am also unable to see the device on ADB or fastboot.
Turning the device on gets you to the Spinning LG circle but it gets stuck there.
I can see the device in my Device Manager LGE AndroidNet USB Serial Port COM9
Any Ideas how to Unbrick this Device, And No I Cannot Flash Via LG UP as it doesn't recognize the device.
Please please, any help would be appreciated.
Does it go into the download/laf mode?
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I have water damaged D851 which now is only showing itself as "LGE Android MTP Device" under Portable Devices in Device manager and also as "LGE Movile USB Serial Port (com3) under PORTS. I don't care so much about the phones as I do the DATA on the phone. Is there any way to copy "data" from the phone onto a PC in current condition? I';ve already tried to reflash the phone via Normal Flash using LF Flash Tool. The flash runs to completion but keeps hanging at the TMOB clingle/splash screen. I don't care how hard it may be?
Thanks in advance:
Here's my case:
I've got a LG G3 F400L (Korean LGU Variant), its on Marshmallow(6.0), and for all I know I used the Autorec program for Lollipop, and apparently got my bootloader corrupted; No led flashing, no display. But the Qualcomm 9008 serial port is shown on the device manager and I can use Boardiag to detect it. I know, irony and idiocy made this dilemma.
Diagnostics:
I've used Boardiag 2.99a by willcracker and yes I've checked "AP check" and "EMMC TEST" and both are tagged as "Pass", but when it comes to the "SDRAM TEST" it throws off an error indicating that there is a flash error on partition "boot" along with a 0x3000 and I can't progress beyond that, I've also tried to use the "Restore Device" option to revive it but still the later error still persists.
I've also tried Smart Boot Diagnostics but the problem is that my device's AP Chip doesn't exist on the current version of the tool.
What I would like to press on:
I would want to resolve this on my own and that no amount of suggesting on sending this to the service center would yield fruit. Please do understand, I would also like this to be a thread that can help me and other on resolving their corrupted bootloader units.
Please, can someone help me on my dilemma. Thank you very much. Any amount of help is appreciated.
Try using board diag with the battery unplugged.
Sent from my SM-G935T using Tapatalk
Already tried that but still nothing works.
Current situation:
Alas, I've accessed fastboot and had wiped the boot partition, but now the USB is detected as "LGE AndroidNet USB Serial Port."
FeitX said:
Already tried that but still nothing works.
Current situation:
Alas, I've accessed fastboot and had wiped the boot partition, but now the USB is detected as "LGE AndroidNet USB Serial Port."
Click to expand...
Click to collapse
You need to short with a cable internet connection I do this last night and changes for Qalcomm USB in the same time...After that, you need to open BoarDiag and do the process. If you can´t enter in download mode, you need in BoarDiag pass the USERDATA
I follow this link: http://open-freax.fr/guide-unbrick-your-lg-g3/
Hello guys. I try to connect my LG G3 with 5.0 Android to my PC and I get an error which says that the "USB Device not recognised." The weird thing is that it is charging. I enabled USB Debugging, I changed the cable, i tried other PC, other USB ports, turned on safe mode, with no luck. Also in Device Manager I have an explanation mark in front of "Unknown USB Device ( Device Descriptor Request Failed" which it should not appear like this. I installed LG G3 drivers, LG PC Suite and LG Support Tool again with no luck.
Do you have any experience on this issue? Thanks for your help
I was on a custom rom on my LG G3 D852, and I decided to go back to full stock by flashing the .tot file. I used the tool to flash .tot file, then without rooting and flashing twrp, I upgraded to marshmallow by flashing .kdz file. (I forgot that my twrp recovery was gone) When I was on marshmallow I realized I don't have twrp and root, so I wanted to return to 4.4.2 with the .tot file. The problem is, I couldn't, because the pc doesn't recognize my phone as LGE Mobile USB Serial Port (COM xx) except when my phone is booted up. When I boot into download mode, it changes to LGE AndroidNet USB Serial Port. I read some threads about people hard bricking their phones, and the port changes, but my phone is perfectly fine. It's impossible to do anything at this point, since I am on MM without root and custom recovery. If anyone could help, that would be greatly appreciated. Also, I attached a screenshot from the device manager program. My phone was turned on when the screenshot was taken.
I too have this same problem. Any answers would be nice
Hello,
My LG G3 (D855) doesn't turn on and I can't get it to boot to the recovery or download mode. However, when I plug it to my computer (windows), it's recognized as LGE AndroidNet USB Serial Port (COM9). Recently, I bought a new battery but I think that's unrelated.
Everything started when I was following the steps described on this post:
http://forum.xda-developers.com/lg-g3/help/help-secure-boot-error-trying-to-boot-t3054977
When I tried to reboot it, as the post specifies, it stopped turning on at all.
Is there something I can do so it turns on again?
Also, I can't find the tot file of the ROM I was using to try the method described in the link bellow. The ROM was a stock one, D855 20A.
http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359