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[Q] LG GW62 brick?

Okay.. Help!
I just recently bought a LG GW620 from a friend.
Usually it runs on Android 1.5
I wanted it to run on Android 2.2
So, i searched the internet and found out that LG gives us this by default, all you have to do is download their update manager and let that run.
So i did.. Until it started telling me that i needed to reconnect the phone.
I did that.. about 5 maybe 6 times. After that, the update program stopped.
I now have, a big fat "!
EMERGENCY MODE" on my screen.
So, i searched, and came across a way that told me to disable the modem.
I did, but still the update program shizzle from LG doesn't seem able to find the phone.
I'm really inches away from going crazy, haven't had any food since 8 o'clock this morning(okay.. just noticed now that that is 12 hours ago.. should get some food)
But.. please.. help me!
Don't make me go back to my Xperia X1 with friggin' Windows Mobile 6.1!
Edit:
I tried this:
routehero said:
OK, got it.
In the settings menu, you can run a factory reset, and after a reboot, it's back to virgin state.
so, to recap:
1) You can recover from bricked state (IE, won't boot) by holding 1+Power on start to get in to Emergency Mode
- You will need LG-Utils
- You will need V10C_00.kdz
- You will need B2CAppSetup.exe (set language to English for ease of use)
- You will need USB modem drivers (I used USB SP modem drivers from LG Modem Driver 4.9.4
-- From LG-Utils directory, run KP500-Utils-EN.exe
-- Phone Model: GW620
-- File: \path\to\V10C_00.kdz
-- Version: V10C_00
-- Takes about 5 minutes and will reboot your unit to charging mode.
2) At this point, you must turn on your device. You won't have much luck doing anything because the GUI is gone, but ADB will continue to work.
- You will need Android SDK
- You will need to have previously set up USB Debugging
- You will need to have previously enabled root for adb
-- Launch adb shell
-- execute: am start -a android.intent.action.MAIN
-- this will prompt you with a GUI to select the app to launch. go in to the settings to issue a factory reset.
3) Voila. On reboot, you are on initial setup screen. You have lost all of your data, but have recovered your device.
Click to expand...
Click to collapse
But.. every time it wants to connect the phone, the phone randomly disconnects from my pc!
What am i doing wrong!? :\ is there a problem with my pc? Is the device completely fried?
Correction: The phone does not randomly disconnect! It only disconnects when i try to talk to it!

Bump.. anyone?

[Q] Please help. Only LG logo on screen

Hello. I broke the phone display and touchscreen. I found a tutorial on youtube.com how to disassembly and I changed both components. Now the phone displays only the LG logo, a few striped background and then black screen.
I did have escaped phone little hard.
I tried to rewrite the software but not working. Software LG says the phone has the latest software version.
It can be a hardware problem?

Already try LG Mobile Support Tool ? It can recovery your software problems (if it is the problem).
Download this B2Capp Setup
- install and run
- select Option & Help for changing your country
- install usb driver and choose P920 (if you already install the usb driver than skip this)
- unplug your battery , press and hold vol up while connecting your 3D to PC until found new driver install.
- after finish, and you are connected with the PC, select Customer Support and choose Recovery Phone
- input your EMAI and S/N
- wait until download and installation finish than your software should be recover.
Hope this help and sorry my english.

I followed the steps described above. System is download, but when is installing, phone start to disconnect and connect to the computer very quickly (I heard the sound from connecting and disconnecting driver in speakers) and an error occured.
I unplug the phone and I have reconnected pressing Volume + and restart the installation. Did not work.
The next step seems to be an authorized LG.
It is true I have not tried a rebranding the phone before. It's the first time. Motorola Milestone software system change is easier.

Hi there,
I just retry the steps that I wrote above, and it's work and download the software as soon as I input IMEI and check. I don't know why the phone disconnecting from your PC, did OMAPflash already installed in your PC ? If not, try to install it and retry the steps, I hope it works. If not... I'm sorry mate, that's the far that I know.

[Q] lg p920 bricked - erased bootloader

After installing cyanogenmod 10 nightly with cwm my battery began to act weird - it showed 0% charge and the phone turned off as soon as i plugged the charger off. I've read that this can be caused by CWM and that i have to install Amon Ra recovery in order to fix it. However, i wasn't able to enter fastboot mode, so i've decided to write the img directly using from adb shell
Code:
dd if=/dev/block/mmcblk0p1 of=/sdcard/amonrarecovery.img
reboot recovery
(yes, now i understand that it is dumb, but i wanted to do it faster, without reading all tutorials).
it gave me the error that it cannot write there.
after that the phone won't turn on or enter recovery/download/fastboot mode. the only signs of life - omap 4430 usb device blinking in the device manager(i've installed the required drivers).
as far as i understand - if i'll be able to enter fastboot mode - i'll be able to flash normal bootloader back and install any rom.
But there's no LGE CDMA usb serial port showing in device manager, no matter what pc, cable or key combination(volume up, volume up+power, etc) i use. - it was the same even before i've erased bootloader.
besides when i use wkpark's omap4boot - i get error 121 on the second stage responce (i've tried the EMU version - still no luck)
seems that using OMAPflash is my only option now, but i can't seem to find examples of it's usage. One guy on this forum said that he revived p920 by dumping the firmware from a working p920 and then flashing it back on his device starting from 0000 memory address. maybe someone could upload his or stock firmware obtained this way?
i've tried using LG mobile support tool but it seems not to be able to detect the device (tried holding vol up)
maybe you guys can advice me something else?
PS this is a NOT FOR SALE device, if that changes something
thanks in advance.

Tried to install AmonRa recovery on my phone. No change, still no charging.
Sent from my LG-P920 using xda premium

alexisrozkov said:
After installing cyanogenmod 10 nightly with cwm my battery began to act weird - it showed 0% charge and the phone turned off as soon as i plugged the charger off. I've read that this can be caused by CWM and that i have to install Amon Ra recovery in order to fix it. However, i wasn't able to enter fastboot mode, so i've decided to write the img directly using from adb shell
Code:
dd if=/dev/block/mmcblk0p1 of=/sdcard/amonrarecovery.img
reboot recovery
(yes, now i understand that it is dumb, but i wanted to do it faster, without reading all tutorials).
it gave me the error that it cannot write there.
after that the phone won't turn on or enter recovery/download/fastboot mode. the only signs of life - omap 4430 usb device blinking in the device manager(i've installed the required drivers).
as far as i understand - if i'll be able to enter fastboot mode - i'll be able to flash normal bootloader back and install any rom.
But there's no LGE CDMA usb serial port showing in device manager, no matter what pc, cable or key combination(volume up, volume up+power, etc) i use. - it was the same even before i've erased bootloader.
besides when i use wkpark's omap4boot - i get error 121 on the second stage responce (i've tried the EMU version - still no luck)
seems that using OMAPflash is my only option now, but i can't seem to find examples of it's usage. One guy on this forum said that he revived p920 by dumping the firmware from a working p920 and then flashing it back on his device starting from 0000 memory address. maybe someone could upload his or stock firmware obtained this way?
i've tried using LG mobile support tool but it seems not to be able to detect the device (tried holding vol up)
maybe you guys can advice me something else?
PS this is a NOT FOR SALE device, if that changes something
thanks in advance.
Click to expand...
Click to collapse
Try this
http://forum.xda-developers.com/showthread.php?p=44532338&nocache=1
Make sure you did this
If the LG COSMO appears in device manager install driver for her by select update driver then select browse my computer for driver {install driver Manual} and select Install driver from "inside folder have drivers"(omap4boot-for_optimus-v1.22 modified by XcachorroX®\usb_drv_windows) then try again step 2 flash fastboot

i resurrected lg p920 not for sale con omap4boot 1.25 option emu
http://www.youtube.com/watch?v=dHZ_RJCyrxk&feature=youtu.be

Praise be he did it. And I wholeheartedly and apologize for my frustration.

lg optimus 3d won't turn on after baseband v20c flash and reboot

lg optimus 3d won't turn on after baseband v20c flash and reboot, using the power button or power button, volume down and 3d key.
If I keep power and volume down while it's connected to the pc, then click power/volume down not sure the exact sequence, it starts making 3 short usb sounds, pause, 1 usb sound, then repeats forever
If I keep device manager open, in other devices with exclamation mark "OMAP4430" appears and device manager refreshes each time the sounds repeat, but it won't do anything else. If I pull the USB cable "OMAP4430" dissapears and sound loop stops
How can I fix this?

service sais I overwritten the bootloader. Baseband zip that I picked around here didn't say anything about bootloader... so far it made my phone inoperable. I'm trying to get this to work: https://forum.xda-developers.com/showpost.php?p=33650068&postcount=46

I unbricked it following this tutorial: https://forum.xda-developers.com/showthread.php?t=2246001
I'm pasting my post while I had some trouble with it:
Got P920 and I think I deleted my bootloader with a baseband zip: https://forum.xda-developers.com/op...ont-baseband-v20c-flash-t3654606#post73445561
I get stuck at step 7, can't find "LG port", basically what I get is fastloader mode, not downloader mode and LG port
then I get stuck at step 11, can't see "LG Cosmo"
If I pick step 13 and try to load gb bootloader it sais "waiting on device" forever, same as on fastloader trying to replace boots
What am I doing wrong?
EDIT1: Decided to do this on laptop (xp) not pc (windows 7). Now I see in ports section (which in windows 7 I don't at all) "LGE Bluetooth TransPort (COM15), not as in the tutorial but at least it's something... I set that to COM41 as instructed. Will edit here if I get any further
EDIT2: if I keep vol+ pressed it won't enter fastboot with os hacking tool. After it did, it found another hardware which I pointed to the only driver it finds in os hacking tool package, that is omap4430 which I already have installed, but this new one gives a code 10 this device will not work message, so I believe I'm stuck at step 11 again because I see no LG Cosmo in device manager.
EDIT3: I looked inside Device Manager > Android Device > OMAP4430 FastBoot USB Device, and is described in "Location:" as Location 0 (LG COSMO) ... which dissapears in a minute like while typing this Have no idea if this is what I'm suppose to get at step 11
EDIT4: seems that's LG COSMO after all because at step 13 after rebooting OS HACKING it did flash the GB BootLoaders (wrote a few lines of text)
...aaand ... drumroll ... it rebooted in my last rom (king's)
WOOOT! THANK YOU! THANK YOU! THANK YOU!
phone unbricked!
Now back to the problem of getting a proper rom that doesn't consume my battery idly in a day like 4.x unlike froyo (2.2.2) which can keep idle for a week, and that also gets a signal... tried them all except back to froyo (2.2.2) :-/
Click to expand...
Click to collapse

TF700 - unrecoverable botloader error

Hello
I need help with my TF700.
I had this tablet for some time. It was unlocked with TWRP and ZOMBI-POP.
Last week I wanted to upgrade it for KIT-Kass 7.1
I wanted to update my TWRP for kang wersion ( 2.8.7.4) through TWRP and during the process it rebooted.
Then I've got a bootloop on normal starting. I can't get into recovery mode through power + vol up - tablet has no respond for that
I can only go to fastboot through power + vol down but when I connect it to windows with adb drivers or to linux(FWUL) it sees no device and no respond for any command.
Do You have any idea what to do ?
Thank You in advance

Sorry to say this but, if you can't send it commands then you are most likely hard bricked. What OS are you running on the computer with fastboot on it? - NP

Nektopoli said:
Sorry to say this but, if you can't send it commands then you are most likely hard bricked. What OS are you running on the computer with fastboot on it? - NP
Click to expand...
Click to collapse
This sounds not so good. I use windows 10 but as I said also I used FWUL to try.

marmacapp said:
This sounds not so good. I use windows 10 but as I said also I used FWUL to try.
Click to expand...
Click to collapse
Do you have access to a Windows 7 computer/laptop. There's an issue with Windows 10 and the fastboot drivers not working together, and causing a problem like yours. - NP

marmacapp said:
This sounds not so good. I use windows 10 but as I said also I used FWUL to try.
Click to expand...
Click to collapse
Found this in another thread, windows 10 fix. - NP
"I used Windows 10 and had to disable driver signature enforcement. Once I did this the PC recognized the tab without issue. "
To disable;
http://www.thewindowsclub.com/disable-driver-signature-enforcement-windows

Thank You for the info, but I have laptop with Windows7 and still the same.
But if I have text on screen like this Starting fastboot USB download protocol can the device still be hard-bricked ?
Maybe I am missing some drivers ?

I would d/l Minimal ADB and Fastboot from here;
https://forum.xda-developers.com/showthread.php?t=2317790
and Universal_Naked_Driver_0.72 here; - NP
https://forum.xda-developers.com/showthread.php?t=2263822

For now the problem is I can not install the "naked driver" because devices manager can not see TF700 when it is connected, so I can't update the driver

Have you tried sending the [fastboot reboot] command to see if the tablet will reboot. When I bricked my TF201t my laptop didn't see it but it still took the commands allowing me to wipe the recovery partition and install the correct TWRP. - NP

Dear Guys
I know that this topic is quite old, but I am still fighting with this problem.
I tryied different drivers, 3 different computers ( two with windows 10 one with windows 7) and I can;t connect to fastboot.
The tablet is in this mode, but when I will use adb and type any command like fastboot reboot - it displays "waiting for device"
Do You have any idea what else can I try ?
Best regards

Hi,
me too! I was using it at lunch - no problem. Got home and turned it on and unrecoverable bootloader error.