yashsingh1/xdaforums huggingface dataset:
[LG Optimus 3D] bigfoot.kom:
Try to take out battery for one minute or so. Then with battery out hold down the 3 buttons you would use to boot into recovery. While holding down the buttons reinsert the battery. The phone should boot briefly after the battery is reinserted, possibly just the lg logo will flash for a few seconds, then the phone will turn off. Or it may boot into recovery. If you do not see the recovery screen release the buttons as soon as it turns off! Then with the battery still installed try to boot into recovery using the 3 buttons. It should recover. You may have to do this 2 maybe 3 times if it doesn't work the first time. I've used this method a few times with success. Hope this helps.
[LG Optimus 3D] angeloplc:
I try for an half hour, nothing to do, if I release buttons the smartphone loops on cyanogen, If I keep buttons pressed my p920 shutdown...

UPDATE:

Using the shell command fastboot -w now I can access to my LG with an ADB shell and with the command adb reboot recovery I finally access to the recovery menu and restore my backup. Thank you for help , great guide anyway :)
[LG Optimus 3D] bigfoot.kom:
Try going to acidhazardrom.com on your pc. Read up on restoring to stock. The dark lestat has restoring tools. You can also read his xda link on the first page here. Try to follow dark lestats recovery manager directions.

I really thought you'd be able to boot into recovery using the method I explained. I had cyanogenmod bootloops and that's how I returned to recovery screen. Maybe it was luck. Lol.
[LG Optimus 3D] xbsall:
Forget fastboot etc.

Just follow the guide and your phone will be fixed.

Key combination for download mode is only vol + with battery removed and inserted when necessary.
[LG Optimus 3D] chanasap:
How to fix wifi bluetooth mac address

How to fix wifi, bluetooth, lost all mac address.

ex. old mac 70:xx:xx:xx:xx:xx it's set to 80:xx:xx:xx:xx:xx

help me, how to fix it.

I fix imei o.k. but wifi bluetooth not ok.

I'm test GPS not works too. :crying:
[LG Optimus 3D] lzzar:
When is this thread going to be stickied?!
[LG Optimus 3D] paxone:
Hi, i try to return back to gb after installing ics, the problem is that at the end of process the phone reboot and run, but at the first step (ie: the screen show 'Welcome to your updatet LGP920..) on the top there is a icon that say: DAMAGED PHONE MEMORY and no way to access to the internal memory. I try also the micro sd but the same, not accessible. If i reinstall ICS rom all fine.. but i want back to gb!

Please help!

EDIT:

Solution found!!!!

if you have this problem like me follow this:

0. remove your micro SD first!

1. go to setting

2. internal SD card -> FORMAT

3. if you see internal phone storage = 0 then

3.1 go to setting

3.2 make a Factory data reset

all done!
[LG Optimus 3D] GeFGear:
So guys , Hello everybody !

I trying 1 month to downgrade my P920 from Su760 , and i thing so i most throw away my P920 , becouse downgrade is unpossible.

I write all steps what i do:

1.Install Windows 7 Fresh 64bit with all original drivers ( USB 3.0 )

2.Install Drivers for Omap , from folder omap4boot-for_optimus-v1.18a , (26.01.2010)

3.LG Usb Drivers:

3.1 Install first LGUnitedMobileDriver_S497CA20_WHQL_ML_Ver_1.0 driver

3.2 Install second LGUnitedMobileDriver_S497MA20_WHQL_ML_Ver_1.0 driver

3.3 P.S. USB : LGE CDMA Compositie USB Device

COM : LGE CDMA USB Serial Port (COM41)(changed port from 7 to 41)

4.Install Lg Flash Tool to directory - (C:\LG\LGFlashTool) (ver:1.0.0.0) , and use crack

So let's start , and try to do this !!!

5.Start LG FlashTool , in settings i put 1 port and other OFF , and ready to flash (use only BOOTV21E_AP.bin and LGP920_110622.dll)

6.Start start_fastboot.bat and put 2 option and press enter

7.In phone hold VOL+ , connect cabel and when i see in screen wait 5 sec i put battery in phone. so i see that

Okay LG Flash tool start flashing and get error in 28%

8. NOW I TRYING TO START NORMAL DOWNLOAD MODE AND NOTHING , i just listen sound connect and disconnect USB when i trying to flash from LG FLASHTOLL....

Guys please if you know some ideas please help me :crying::crying::crying::crying::crying:
[LG Optimus 3D] SHAMAN.BR:
Hi guys! Im getting troubles here, i read all the thread, front to back, back to front and cant make the magic, please could someone help me with two words?

Facts: I have an O3D P920H, it was installed with ported ICS and working fine, except camera, hardware buttons, etc...

I try to downgrade to GB (V21E) and the problem is that i cant (or dont know) make the phone boot in normal mode (Vol + and USB with no battery) to complete the process above...

Using SmartFlash it stucks on 99% and the phone turns off before complete, the LG flashtool achieve 28% and shutdown too.

My windows is 7 32bits, compatibility mode XP SP3, administrator permission, etc...

There some tricky to make the phone up with normal download mode after the flash procedure?

Thanks a lot!
[LG Optimus 3D] SHAMAN.BR:
At this point i got success getting back the port 404 working, what unbrick my device and thanks GOD!!

I still want to get back to gingerbread, i should try this post again?

Thanks!
[LG Optimus 3D] xbsall:
Once again I must remind to all of you that this method of downgrading/resurrection won't work for everyone. There are "a few" devices that need a different bin file so if you are "certain" that you did everything right but your phone doesnt start with BOOTV21E and only starts with ported ICS you need that specific bin (which is not available because nobody who had the same problem made it).
[LG Optimus 3D] Jcursiolf:
and ozrmatn

Hello there.

I have a p920 and I was stupid enough to try cm10 with V21F. Surprise! Bootloop!

So I did over and over again this guide from step 1 to 13 in two computers (one with Win 8 64bits and another with Win 7 64bits) with USB 2.0. I don't have problems with this steps in any of this computers, but my cellphone refuses to go into normal "download mode". I'm trying for about 3 or 4 hours now and it doesn't really seam to matter which computer I use. I've read all posts from all pages and I saw people with this problem earlier. How did this people manage to get their phone working?

Thanks in advance.
[LG Optimus 3D] GeFGear:
so , 2 ways ?

1. w8 , maybe somebody create that modifyed bin file ?

2. throw away ?

P.S. If i was know how to made that bin , i would made that bin :(
[LG Optimus 3D] xbsall:
3. Use it with ICS until somebody else make the BIN is another option.

4. READ..READ..READ..learn..learn and make the BIN file on your own or find a fix...its actually easy.
[LG Optimus 3D] GeFGear:
I'm so sorry , plz if you can to made that bin to as ???? we would happy if you help to as , i just don't have expirience with that :( THank you so much..:good:
[LG Optimus 3D] primozz3065:
hey i sucesfully installed all this but it writes thad my sd card its dammaged and its not space on it help mee !! and all apps are dissepeard
[LG Optimus 3D] xbsall:
I can't make this BIN because BOOTV21E works in my P920 so there is no way for me to troubleshoot it.
[LG Optimus 3D] kidkoala_uk:
boot into recovery and factory reset.
[LG Optimus 3D] GeFGear:
So XBSALL only one method , that's made new bin ? only one way ?????
[LG Optimus 3D] xbsall:
Not only one way.

There are various ways to fix it as long as you know how to troubleshoot it.
[LG Optimus 3D] alphatia:
Can u just lead me to where to start
[LG Optimus 3D] lordboo03:
yes i encountered the same problem an factory rest an dalvi wipe doesn't fix the problem either I am able to use it in recovery mode to install roms but just cant use it on the on the rom does anyone else has any suggestions
[LG Optimus 3D] SHAMAN.BR:
each bin must correspond to model type? (P920, P920H, SU760, etc)

to make a bin you need to have the respective model?

tks
[LG Optimus 3D] GeFGear:
No no no , he can't do bin for as , for that operation xbsall need same model undowngradeble. to try troubleshot...
[LG Optimus 3D] xbsall:
If your phone doesnt start with BOOTV21E also follow this guide [GUIDE]Downgrade the undowngradeable phones
[LG Optimus 3D] Crackton:
You sir are my hero!

Both for ICS for LG P920 and for this guide :)
[LG Optimus 3D] jess3d:
i can't pass the fastboot

hi, i need yours graet help, run the steps but only result is the fastboot mode, :( and in the windows device manager show me "Android phone--> omap4430 Fastboot USB device""

i try with adb tool to reboot in recovery mode, but when i use "adb devices" command dont showme any device.

what i do wrong? or i need recovery my phone with another tool ??? some one can tell how to fix my phone

Thanks
[LG Optimus 3D] xbsall:
Why use adb ?
[LG Optimus 3D] jess3d:
i only use the command "adb device" to "view" my phone connect thinking in a problem in phone, but dont show nothing and i dont know what can i do to make a succesfully resurection i phone is dead about 25 days :( today i fanally saw some ligth when i see de LG logo in fastboot but now i sad becouse i can't do anything . can you help me please , what i need to do ????

thanks
[LG Optimus 3D] berni987654321:
The grey LG Logo means hat you are in download mode. Open device manager and select the fastboot device and install the dRivers from the omap tools Folder. Then follow my post downgrade the undowngr...
[LG Optimus 3D] jess3d:
thanks for youre anweers but i have some issues i replay on your post downgrade the undowngr...

i hope you can help me thanks
[LG Optimus 3D] Soul209:
My bricked O3D came back to life again :good:

I had to flash my O3D with accu inserted to ICS, without it the usb keeps disconnecting in the middle of the installation:confused:
[LG Optimus 3D] jess3d:
hi finally i'm in dowload mode ....but the phone shutdown after 2.5 minutes

and in the flash tool

happend this

and after some minutes error :crying:
[LG Optimus 3D] xbsall:
use smartflash its faster
[LG Optimus 3D] xbsall:
Its described step by step how it should be done.
[LG Optimus 3D] xbsall:
Guide updated with rebooter utility in order to fix P920 x-loader, u-boot easier..
[LG Optimus 3D] roxito:
I cant restore me Imei.when i open tutty and write at%imei it shows my imei but in phone it says none.i tryed to write it with tutty but it says imei write error.why?
[LG Optimus 3D] LeighR:
Drivers
[LG Optimus 3D] xbsall:
You are using CM10 and i can't help you with that..

I am not using CM10 so you need to troubleshoot it yourself.
[LG Optimus 3D] Pesach85:
The Imei restore procedure works with stock ICS and stock GB not in CM
[LG Optimus 3D] sketch2k278:
THANK YOU!!

for that extra step for p920 users i was able to get a signal with cm10

xbsall again thanks! :eek:
[LG Optimus 3D] hugobranko:
usb_write 232512

** Done **

< waiting for device > -------------------------------------------------------------im getting here and i dont pass this step :(

sending 'recovery' (5854 KB)...
[LG Optimus 3D] xbsall:
Remove/insert USB cable and make sure you use the omapboot drivers
[LG Optimus 3D] hugobranko:
didnt work im now stuck on the grey LG logo
[LG Optimus 3D] xbsall:
Cant help you more.

Read the guide and you will find out what you are doing wrong.
[LG Optimus 3D] jess3d:
hi, again me :)

i run the smartflash tool this is the result

but my phone still dead!!

any idea what happend?

Thanks!!!:eek:
[LG Optimus 3D] waynw:
my phone blocks in fastboot. how do i? thanks

and where is the file .ddl for lg flash tool?
[LG Optimus 3D] daGUCCI:
OMAP drivers still was bugged for me, eventho I tried lots of ways to fix it.

eventually, I used smart flash with 21e AP and CP and it flashes successfully

P.S. I do put back battery when flashing starts, otherwise ,it restarts at partition part!!!
[LG Optimus 3D] xbsall:
You say that it doesn't work and your phone is still dead and i see in the photo that you are flashing V20A.

Did you even read the guide???

Go back to page 1 read the guide 6 times and your problems will be solved.

Your phone will work OK in fastboot, try harder.

Get the .dll file from the LG Flashtool guide or use GOOGLE.

Yes when LG Flashtool starts flashing ... battery in.
[LG Optimus 3D] dba.rknair@gmail.com:
Not showing OMAP in Device Manager-->other devices..

Please help
[LG Optimus 3D] xbsall:
remove the battery, change cable and try on a different pc
[LG Optimus 3D] gatotsucipto:
Can not repair imei

Great THANKS to ressurection my SU760...but I can't repair my IMEI....

I don't understand about TUTTY / HYPERTERMINAL...where can find that?

I just stug at

1.Connect phone by USB

2.Activate USB debug mode

3.Enter 3845#*720#

4.Select Port Settings -> Select CP Image Download

............

Please HELP ME!!!

THANKS A LOTS!!!!!!

---------- Post added at 09:38 AM ---------- Previous post was at 09:02 AM ----------

When I press OK after choose CP IMAGE DOWNLOAD....back to HIDDEN MENU and when I choose Port Setting...port setting back to CP USB

BEST REGARDS....

---------- Post added at 10:03 AM ---------- Previous post was at 09:38 AM ----------

At least....my SU760 NO SIGNAL after Success Ressurection..

Any Idea??
[LG Optimus 3D] xbsall:
http://bit.ly/TUlPOP
[LG Optimus 3D] gatotsucipto:
thxx

Thxx Bro...but not give solution for my SU760 NO SIGNAL.....or maybe there is another way?

Best Regards...
[LG Optimus 3D] xbsall:
Fix your imei first with hyperterminal and after that upgrade your phone with OFFICIAL ICS.

If you are sure that you did everything right and it still doesn't work send it to LG.

Everything right means

1) Your imei is correct,

2) you have flashed correct baseband and ROM.

Do that and your SU760 will be ok.

Can't help you more.
[LG Optimus 3D] gatotsucipto:
thxx

Please...give me screenshoot about open Tutty....cause that my last step to resurrection my SU760....

I've followed ur good instruction from start to finish...for me..just Failed at the end (restore IMEI).

Btw...SU760 there is no IMEI, but Serial Number 7 digit..and mine is 0000000, cause that...my signal was lost...CMIIW..

Please...I need the screenshoot...

And my connection with PC posisition CP Image download not stable...I've tried at 1 Laptop adn 2 PC...why?

Thanks a lot

Best Regards
[LG Optimus 3D] xbsall:
Your phone works so the resurrection guide ends here.

Read and post your IMEI questions in this thread [GUIDE] Unlock Phone / Recover IMEI

Apart from that i can't help you with serial number restoration, i don't have SU760, I have P920 but as far as i know missing serial number will not affect your GSM Connection.

Better ask for help from KOREAN Developers.
[LG Optimus 3D] gatotsucipto:
P920 use IMEI, but SU760 use SERIAL NUMBER....

I've try use TuTTY....

For the last question...can you give me last solution?

Thanks a lot for answering my questions...
[LG Optimus 3D] jess3d:
hi, i under stan that you say, the reason that i install de v20 is because i think maybe with v21 do not work couse i have 920H, and then instal that version, in next image i use youre files the instalation end OK but the phone still dead

:cyclops:
[LG Optimus 3D] xbsall:
Follow

every step

of the guide and it will be alive again.

Every step that you make with your own way cancels everything else, so just folow the guide and that also means the EXTRA STEP for P920 users.
[LG Optimus 3D] gatotsucipto:
GOOD NEWS

THXX GOD!!!!!

After Ressurection from MASTER XBSALL......ESPECIALLY FOR SU760 USER.... Flash it again with http://csmg.lgmobile.com:9002/swdata/WEBSW/LGSU760/ASKTDB/V20f_00/V20F_00.kdz

follow the tutorial at http://www.androidforum.vn/showthread.php?t=531 Very AMAZING!!!My SERIAL NUMBER ...BACK again....

My Signal just 2G...but NO PROBLEM!!! Just Upgrade from Official ICS with LG Mobile Support Tools..

ALL WORKS LIKE A CHARM!!!

Thxx Master XBSALL....Thxx for motivation.....GBU
[LG Optimus 3D] jess3d:
hi, in the step

Step 15. Put your phone in DOWNLOAD MODE without using omap4boot this time.

how can i do that???

thakns a lot!!
[LG Optimus 3D] waynw:
Great THANKS to ressurection my P920 :)
[LG Optimus 3D] cjx75:
Any one know how to fix the MAC ID? My wifi was not able to connect after downgrade to V21E from ICS. My MAC ID becomes 00:00:00:00:00:00:confused:
[LG Optimus 3D] alphatia:
now this resurrection is fully complete...nice job

sent from my lg o3d

a piece of advice:

don't ask alot ..go read.
[LG Optimus 3D] midnite_:
I want to enter FASTBOOT mode (so I can use "fastboot boot boot.img" command). Is the following steps work with original stock O3D? I followed the steps, let "waiting for OMAP44xx device..." waiting in the blue screen, hold vol+ and plug my phone with no battery, the blue screen has nothing come out, my phone screen stays black, but i got in Device Manager "Ports -> LGE Mobile USB Serial Port (COM41)"

Could somebody please help. Thanks!
[LG Optimus 3D] xbsall:
If you wanna use OMAP4BOOT FASTBOOT MODE why you follow the OMAP4BOOT DOWNLOAD MODE guide?

You are reading and posting in the wrong thread..
[LG Optimus 3D] midnite_:
Thanks man ;)

I know this is not the proper thread to talk about fastboot mode. But in the steps (following the steps) it does go into the fastboot mode. Btw it is hard to find information about the fastboot mode at all (compared to the use of adb).
[LG Optimus 3D] ukiss:
Hi xbasall and everyone,

First, thank you xbasall for providing us the resurrection guide,

I also got this problem too. After step 13, I don't know how to get into step 15 that my phone can only boot up using step 3-9 method,

Step 15: (Put your phone in DOWNLOAD MODE without using omap4boot this time)

Can anyone help? thank you

(I think the problem is that I don't know how to boot into normal download mode)
[LG Optimus 3D] mpmanos:
Bricked mine

Hi guys i hope somebody can help me as well. I bricked my phone during rooting with megatron root, when rebooting never came back on.I can put it in download mode only with fastboot and i have tried with success to flash the BOOTV21E_AP. both LGFlash tool and Smartflash tool but thats all i can do.My phone refuses to power on and when i try the rebooter mentioned by xbsall you can seen in the attachment what i get.Could anybody of you advise me how to resurrect my phone?
[LG Optimus 3D] xbsall:
Following the steps will take you to omapboot download mode.

If you wanna talk about fastboot mode or omap4boot post your question in wkparks omap4boot thread.

People get confused with questions like that and this is not the Omap4Boot/Fastboot Q/A Thread
[LG Optimus 3D] xbsall:
Use the rebooter utility and then try again with a normal v21e bin file.
[LG Optimus 3D] jojobans:
pls help me...

When i done all steps.. But the phone automatically turns off after LG logo

I was disappointed to return to gb.
[LG Optimus 3D] ukiss:
Thanks for your reply.

After I have used the ICSv21e_boot.bat, chosen 2 and repeated step 4-7,

It seems that the phone has boot into the same korean screen

When the LGFlashTool is in about 2X%, the phone still shut down itself and therefore the LGFlashTool has failed to finish.

How can I get into the normal download mode? am I flashing the correct rom? (BOOTV21E_AP.bin):confused:

Thanks a lot.
[LG Optimus 3D] xbsall:
You need to use rebooter utility without pressing VOL+ in order to enter FASTBOOT MODE (NOT DOWNLOAD MODE)

All the procedures here are using WKPARKS OMAP4BOOT, LG FLASHTOOL OR LG SMARTFLASH.

So you guys should spend some time and read the threads that cover the functions of those tools so you can understand:

WHAT IS NORMAL DOWNLOAD MODE

WHAT IS OMAP4BOOT DOWNLOAD MODE

WHAT IS FASTBOOT MODE

HOW TO USE LG SMARTFLASH

HOW TO USE LG FLASHTOOL

WHAT IS AN LG BIN, WHAT IS AN FLS AND WHAT IS A KDZ FILE

WHICH OMAP DRIVER YOU SHOULD USE AND HOW TO INSTALL

ETC..ETC..

So my advice to all of you is to spend some time reading the necessary threads and then you will see that unbricking your LG P920 (or other LG MODELS) will be easy.

You can alway find links for those threads in my first post.
[LG Optimus 3D] sioxz:
First of all let me say thanks for making this Guide but need help so please Assist me :D

i Bricked my P920 in an unbelevable way. i was Reading manga on my phone as i often do and than i noticed that my App (perfect viewer) was running kind of slow and than i pressed home button to get LG task manage upp and than i froze and than i got boot loops :silly:

the ting i have problems whit now is that i can't get LG flashtool to See my phone att all i got it att port 41 and on port 2 (port 1/3 are buzy) i am running Windows 7 64bit i even got it Running in Xp Sp3 mode Still nothing.

can any 1 please Help me i can't Afford an new Phone i am an Hich school Student at IT-Gymnasiet Skövde (Sweden)

please Link me something or Send pic's

Sorry if i get you guys angry its not meant that way
[LG Optimus 3D] xbsall:
You don't need to use this guide if it boot loops.

This guide is for phones that don't show anything=black screen=no vibration=no logo or with simple words "dead".

So its time for you to use the search bar and do some reading in other support threads and your phone will be fixed very easy.
[LG Optimus 3D] xbsall:
Tip for Bootloop condition.

See image.
[LG Optimus 3D] mpmanos:
Hi xbsall and everybody here,

My phone is one of the dead ones(πεθαμένο). I can put it in download mode only throuh WKPARKS OMAP4BOOT and flash the AP files. I have tried flashing each one provided (xbsall,samnos test and p920) with success but my phone still refuses to start.When i put it in fastboot mode and try to flash the loaders i get a message "partition does not exist". I get the same messages with xbsall rebooter.

As i mentioned in a previous post this happened while on 21E trying to root with megatron root.When the device rebooted it died.If anybody can help i would be appreciated.
[LG Optimus 3D] xbsall:
We will have a look at it with team viewer tonight, but if everything you say is right and you are not making any mistakes with the resurrection process your phone is probably a real brick...
[LG Optimus 3D] yehison:
Since returning to GB v21e not read the internal and external memory, please help me ..

---------- Post added at 10:06 PM ---------- Previous post was at 10:00 PM ----------

Since returning to GB v21e not read the internal and external memory, please help me ... I've done hard reset, I'm back to flash and no use to me
[LG Optimus 3D] devion:
hard reset... or Factory Reset -in- the settings menu? If you have unreadable internal/external storage after being on ICS you need to do the factory reset in the settings menu as it will properly reformat the storage partitions.
[LG Optimus 3D] ukiss:
Thanks you very much xbsall and everyone. :good: I've successfully recovered my o3d.

My experience for reference:

After step 14,

I tried to flash BOOTV21E_AP.bin and also BOOTV21E_CP.fls through LGFlashTool,

In my case, it failed at 100% saying that 'Error WM_PROCESS_MSG'

Then, I used ICSv21e_boot.bat (to flash some recovery tools into the phone) again.

Next, I tried to follow pandaball's guide using smartflash to flash AP.bin and CP.fls into the phone and it worked.

Finally, I just went to reset the phone from settings and it worked well. It has all the stock apps, imei appearing and can receive calls normally.

Also, If windows prevents you from installing unsigned drivers: go search how to Disable Driver signature Enforcement

Good luck everyone:good:
[LG Optimus 3D] Shukri211:
Cosmo not installed here too, don't know which directory you are talking about exactly but I gave it this:

C:\Program Files\Texas Instruments\OMAPFlash\usb_drv_windows

And got nothing. It's my first android and I'm really new to all this stuff, hope I don't bother you xbsall and I hope someone can help me on this.
[LG Optimus 3D] xbsall:
Look in omap4boot and you will find the correct drivers.
[LG Optimus 3D] Shukri211:
I downloaded omap4boot, updated Omap driver but my PC says it's already up to date, lastly I tried to update LGE Cosmo with the same directory I used to update Omap:

C:\Users\User\Desktop\omap4boot-for_optimus-v1.17b\usb_drv_windows

And I got "windows could not find driver software..."

Is that not it ^