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Hi all, I'm a new P920 user, although I've been using a P500 for ~ 2 years.
So here's my questions: I'm using V20c (23/2/2012), 2.3.5, baseband L6260_MODEM_SIC_01.1042.00, kernel 2.6.35.7, NOT rooted.
I'm planning to update my rom to V21e with ROOT for everyday use.
I already have the .kdz for V21e (Italia version, downloaded from http://csmg.lgmobile.com:9002/swdata/WEBSW/LGP920/AITAML/V21e_00/V21E_00.kdz)
I also have the megatron folder, the kdz folder with B2CAppSetup,...
So can V21E be rooted now, using megatron? Or is there any other method? If it can be rooted, then what are the steps that I should follow:
_ Root my v20c first then kdz the v21e so the root may remain?
_ Or, kdz to v21e first then try to root it?
Will kdz to V21E grants me the V21E baseband (to flash custom ROMs like prometheus), or I will have to upgrade that first?
Also, is there any drawback in v21e? Like less battery life and such? Is GhostCall completely fixed? Thanks in advance.
You can root 21e with megatron.
After updating to v21e you can root and install any rim that is based on v21e like promethius rom.
Buttery life is good for me and I don't have any ghost calls. Hope didn't forget anything
Sent from my LG-P920 using Tapatalk
Master619 said:
Hi all, I'm a new P920 user, although I've been using a P500 for ~ 2 years.
So here's my questions: I'm using V20c (23/2/2012), 2.3.5, baseband L6260_MODEM_SIC_01.1042.00, kernel 2.6.35.7, NOT rooted.
I'm planning to update my rom to V21e with ROOT for everyday use.
I already have the .kdz for V21e (Italia version, downloaded from http://csmg.lgmobile.com:9002/swdata/WEBSW/LGP920/AITAML/V21e_00/V21E_00.kdz)
I also have the megatron folder, the kdz folder with B2CAppSetup,...
So can V21E be rooted now, using megatron? Or is there any other method? If it can be rooted, then what are the steps that I should follow:
_ Root my v20c first then kdz the v21e so the root may remain?
_ Or, kdz to v21e first then try to root it?
Will kdz to V21E grants me the V21E baseband (to flash custom ROMs like prometheus), or I will have to upgrade that first?
Also, is there any drawback in v21e? Like less battery life and such? Is GhostCall completely fixed? Thanks in advance.
Click to expand...
Click to collapse
First flash to v21e then root with megatron
LE because I was in a hurry back then:
Well I don't know how really works the kdz thing, never used it, never interested cause mostly, for upgrading and recovery I use the LG Update tool. In this way I managed to recover and update my phone when I made a wrong flash of a v21e rom on an older baseband - no network what so ever. So, I used the LG Update tool - Customer Support - Emergency and recovery mode and with the IMEI and/or serial number I've been able ro recover my phone and, in same time, update it to the newer v21e version.
i don't know how's your phone - mine is operator free, no network lock and I'm in Italy - where normally the updates for "free unlocked phone" comes earlier - at least I have this impression.
Ghost calls...none after the v21e. Battery life - I see no difference cause I'm not a constant user of something and I don't keep count of what and for how long I use. And depends on how you manage your phone. You might want to give a look to my thread of useful applications and contribute with something if you want. Click here
Sent from my LG-P920 using xda app-developers app
Thanks to you guys berni987654321 and BigBadSheep. I flashed v21e and then rooted it. No problem so far, except for the strangely low Quadrant (2000 and 2100, but I don't play heavy games anyway). Now I have one more question: now that I have v21e rooted and (kind of) stable, should I keep it like this or flash a custom kernel (I see there are 2 popular ones: BlueKernel and Promethius, which one is better?). Is there any change worth upgrading? Or I should just keep using it till ICS or JB?
I'm using promethius kernel 1.5 and I'm very happy with it. But super stock kernel by samno is very good too
Sent from my LG-P920 using Tapatalk
hello I recommend V20P base band better than V21E
ENVIADO DESDE MI ACURAFONO O3D MAX V3.1
Master619 said:
Thanks to you guys berni987654321 and BigBadSheep. I flashed v21e and then rooted it. No problem so far, except for the strangely low Quadrant (2000 and 2100, but I don't play heavy games anyway). Now I have one more question: now that I have v21e rooted and (kind of) stable, should I keep it like this or flash a custom kernel (I see there are 2 popular ones: BlueKernel and Promethius, which one is better?). Is there any change worth upgrading? Or I should just keep using it till ICS or JB?
Click to expand...
Click to collapse
You're wellcomed. I have the kernel that comes with the rom- waterbear latest. And I'm thinking to keep it this way till ICS or beyond. For scores...I never care for those, it's important that you are satisfied.
Sent from my LG-P920 using xda app-developers app
ecb41tza said:
hello I recommend V20P base band better than V21E
ENVIADO DESDE MI ACURAFONO O3D MAX V3.1
Click to expand...
Click to collapse
Can I know why?
Also, some more questions:
_ Anyone tried the official CM7.2 for our P920? How is it: performance, battery, any serious bug, is 3D still normal,...?
_ What baseband is CM7.2 based on? I'm on v21e, so can I just simply flash it in CWM or is there any other steps I need to do first?
Thanks in advance.
With CMs no 3D
Master619 said:
Also, some more questions:
_ Anyone tried the official CM7.2 for our P920? How is it: performance, battery, any serious bug, is 3D still normal,...?
_ What baseband is CM7.2 based on? I'm on v21e, so can I just simply flash it in CWM or is there any other steps I need to do first?
Thanks in advance.
Click to expand...
Click to collapse
As far as I know and I've read there's no 3D with CMs ROM and derivates and further more no HDMI functional also. But I might be in error because I don't follow that ROM.
Master619 said:
Also, some more questions:
_ Anyone tried the official CM7.2 for our P920? How is it: performance, battery, any serious bug, is 3D still normal,...?
_ What baseband is CM7.2 based on? I'm on v21e, so can I just simply flash it in CWM or is there any other steps I need to do first?
Thanks in advance.
Click to expand...
Click to collapse
cm is in my opinion the fastest rom with the best performance but there is no 3d at all (you can only watch 3d videos made with the o3d) and hdmi is buggy. you can flash it on v21e without any problems
berni987654321 said:
cm is in my opinion the fastest rom with the best performance but there is no 3d at all (you can only watch 3d videos made with the o3d) and hdmi is buggy. you can flash it on v21e without any problems
Click to expand...
Click to collapse
Thanks for the quick replies. So can I install 3D apps like the 3DVPlayer or 3D Photo,... to watch 3D clips and 3D photos that are already created (both by my phone and from other sources)? And I can still take normal 2D pictures and videos right? And since no baseband changing needed I just need to do a Nand backup first then flash CM7.2, if there's anything I don't like I can easily revert to this stable ROM I'm using right?
You can only watch 3D videos no photos. You don't need to change your baseband and with an backup you can easily return to the stable rom you're using now
Sent from my LG-P920 using Tapatalk
Good news for SU760.
I have successfully converted the P920 rom to work on my SU760.
Why I did this, since there is already an existing modified rom for SU760? I don't like the korean rom for su760, that's why i converted the rom for p920.
I have tested the XBSA ICS themed rom. It works perfectly, no bugs as of now. I know that this technique will also work with some other roms for p920.
I have to ask permissions first to all the devs for p920 roms if it's ok for them. I will also try to make an update zip for easy converting (hope it will work)
sorry for my bad english.
UPDATE:
I just converted and tested the Promethius Rom V1.5 20F for P920 guess what? IT WORKS.!
Now I'm on testing on other roms for P920.
Another rom works to my SU760.
After converting the Acura 3D Max Rom, it works on my phone just like normal.
On testing with another one.
yeah that great
How do you do it please give some details. When I install P920 roms I get Inernel Memory card mounts issues plus buttons messed up back button works as search. Both of these problems solved with Bluekernel.
But there is one big problem that is camera gets flipped upside down. Please if you have figured out a way to fix it tell us. I'll be really grateful.
Thanks
Great! Bless ya
Hey! Great news dude! So when r u sharing? we are waiting u know
Sorry for the late update of this thread. I have been so very busy on my work. I even forgot to upload the converted roms.
I will try my best to get extra time to upload the roms.
I found a little bug on Promethius Rom V1.5 20F. When I use the USSD Code in dialer, I get force close on com.android.phone and it will also restart the GSM Network. I have a problems looking for the error in logcat. Hope someone could help me diagnose the problem to make it perfect. Thou this is not a big issue for me. i will also test the ussd code on XBSA and on some other roms that I have converted.
About the Official ICS for SU760, I will try to test it on my phone. But first I have to secure an Official gingerbread firmware for SU760 for backup purposes. Hope I can convert SU760 ICS to be use for P920.
Official ICS has bootloader lock so no CWM and no backup.
Sent from my LG-P920 using xda app-developers app
iodak said:
Official ICS has bootloader lock so no CWM and no backup.
Sent from my LG-P920 using xda app-developers app
Click to expand...
Click to collapse
have you tried it.? is it possible to go back to gingerbread after flashing ICS.?
I need official firmware or stock rom V20f for SU760, hope someone could provide a link to download.
There you go..
This is official SU760 V20F Gingerbread
http://csmg.lgmobile.com:9002/swdata/WEBSW/LGSU760/ASKTDB/V20f_00/V20F_00.kdz
here are the converted ROM. --> http://forum.xda-developers.com/showthread.php?t=1871020
To those who bricked their P920, Can you still access CWM.? how about download mode.?
Samno cant get to recovery after flashing gb or froyo. Some user that flashed 20f korean can.
Edit: did you root it.
Sent from my LG-P920 using xda app-developers app
iodak said:
Samno cant get to recovery after flashing gb or froyo. Some user that flashed 20f korean can.
Edit: did you root it.
Sent from my LG-P920 using xda app-developers app
Click to expand...
Click to collapse
is your phone SU760.
yes my phone is rooted and it was V20F
reply
can someone please update this thread,i really really want to flash my su760 on any other su760 version just to root my phone.i almost did all the rooter tools for optimus 3d but none of them works...can anyone help me....?
chicknician said:
can someone please update this thread,i really really want to flash my su760 on any other su760 version just to root my phone.i almost did all the rooter tools for optimus 3d but none of them works...can anyone help me....?
Click to expand...
Click to collapse
what is your problem about SU760.? just try to search the whole forum about optimus 3d, im sure you will find answers to your problem. that's where I start, and I think almost all problems about software in optimus 3d has a fix.
And, Chickinican, if you are on Gingerbread (2.3.x) ROM, your best bet is Megatron block string attack. However, if you are on Ice Cream Sandwich (4.0.x) version, I would dig a bit more since this version is somewhat secure so different exploitation is necessary and required to give you root access.
Sent from my XT907 using xda premium
Dr. Mario said:
And, Chickinican, if you are on Gingerbread (2.3.x) ROM, your best bet is Megatron block string attack. However, if you are on Ice Cream Sandwich (4.0.x) version, I would dig a bit more since this version is somewhat secure so different exploitation is necessary and required to give you root access.
Sent from my XT907 using xda premium
Click to expand...
Click to collapse
thanks for the answer...i just root my su760 optimus 3d (version 2.3.6) with megatron root tool as you said.thanks it works..but the problem is when i installed droidvpn and load my tun.ko from tun.ko installer , everytime i open up my droidvpn it keeps my phone reboots. but when i removed the tun.ko from my device.phone doesnt reboot and thats the issue for now tun ko is one of the droidvpn's requirements..someone can help me about this?it will be highly appreciated..
---------- Post added at 07:05 PM ---------- Previous post was at 06:44 PM ----------
just want to update my situation..i tried to flash the latest official firmware(ics 4.0.4) for optimus 3d (su760) using lgmobile support tool. and used root with restore by bin4ry.. thinking that this one will solve my problem.but nothing happen. it still reboots when i open up my droidvpn when the tun ko is loaded..now i downgraded my device with froyo 2.2.2 thinking that this one will help me too.but still the same.. can anyone please send me a link of the best and stable firmware for opdtimus 3d (su760).or any vpn that will make my internet free. ics 4.0.4 and froyo 2.2.2 doesnt have simtoolkit.
hi, i have LG SU760 2.3.6 want to add language (Indonesia), could you help me how to update? i have looking around for the correct firmware, but not sure...
any firmware that match for this phone?
Is it possible to use SmartFlash Tool for 3D to flash stock roms? For example, i had optimus 2x before this one and i used smartflash to flash every stock rom there is! v20 or V30. doesnt matter! Even if i download KDZ file, i unpack it to bin & fls and flash with no problem! I`m on latest V21E and i would like to flash some ICS rom and if phone doesn`t work properly, i`m planing to go back to V21.
One more thing... Can someone recommend ICS rom that has 3D and is as stable as possible!? THNX in advance! :good:
Sv: Back to stock V20???
Yes you can flash all stock Roms with smartflash.
All ICS roms around here have 3D except for the CM9 port
Sent from my 3D phone.
lzzar said:
Yes you can flash all stock Roms with smartflash.
All ICS roms around here have 3D except for the CM9 port
Sent from my 3D phone.
Click to expand...
Click to collapse
Can i ask for some suggestion? Which one is with least bugs? And is it a problem when i start smartflash and in the model line says p990 and there are no other models!?
woodpeckerlo said:
Can i ask for some suggestion? Which one is with least bugs? And is it a problem when i start smartflash and in the model line says p990 and there are no other models!?
Click to expand...
Click to collapse
NEVER FLASH P990 stuff on your P920, it will brick your device.
Sent from my LG-P920 using xda app-developers app
After Acura's permission now i will share on XDA the fix that he made. This fix allows you to install any european rom on Korean partition then you don't need to flash the bin of european's ICS.
In fact like we know when we install an European rom via zip on korean partitions this will be installed correctly but the internal SD and the External_SD aren't avalaible.
Of course if you are on European Partitions and you want to use this fix you need to reflash xbsall's bin with ported ICS or you can also flash the new xbsall's bin that include new european ICS with a big partitions, in this case you won't need any fix!( here is the thread http://forum.xda-developers.com/showthread.php?t=1963847 )
However, for download the fix you need to register on http://www.htcspain.com and then go to this thread http://www.htcspain.com/roms-lg-optimus-3d-384/rom-28b-euro-v2-acura2201-57026/, answer to the thread and download the fix (on the thread there are also the new Acura's rom and new kernel), after the download if you don't understand spanish you can follow my(simple) guide:
1) Download the fix at HTC Spain
2) Enter in recovery
3) Install any rom(korean or european)
4) BEFORE the reboot install the fix
5) Now you can boot the rom and it will work like a charm!
The fix will give to you the big korean partition on european rom, and then allow you to install any type of custom rom(european or korean) without flashing the related bin. The fix will change your recovery(will install a CWM modified by Acura) and the bootloader(it will be wkpark 1.25a).
Personally i use the fix to install xbsall v7 and it works! Strangely in the case of xbsall's rom after the fix i must flash another kernel because the rom after passing LG Grey logo, it was stopped on a black screen. But i don't know if it is a known problem...in fact i flash Acura Euro V2 and it works fine without changing kernel!
If is hard for you to talk in spanish(this is why i create the thread) you can ask here and we'll try to give you some help!
Thanks to Acura and all the people of htcspain.com!
Thanx, good tutorial.
Enviado desde mi LG-P920 powered by Acura2201
very cool, but this solve 3 keys error? back key launch google search instead of back function when we flash european rom on korean su760
For that issue you need to flash a custom kernel! There are a lot of kernel on this forum...for P920 there are one kernel from iodak and another from Pesach!
yes I do it already, but every custom kernel has bluetooth issues, and I use my su760 with bluetooth a2dp motorcycle headset, and use it every day.
so I need to try more things, and have tried to add OC module to stock ics kernel but never worked well as the overclock of ph85 kernel.
I am in the middle of the matters
Do you have a SU760? Well then i don't know if you can use fix for 4 keys...am i wrong or su760 has only 3 keys?
yea, what I said is that every rom now can be installed on SU760 with this fix, but however the rom is made for 4 keys, then SU760 not have the 4rth key and cannot "back" becouse su760 have the "back" key on third position
there's a fix to change a rom from 4keys to 3keys?
I think will open a new thread for this question
R: [FIX][ICS] Fix by Acura to Install any european rom on korean partitions
Well i think that is something that can be made in the native kernel! Probably a new thread would be better!
Inviato dal mio fantastico LG Optimus 3D con ICS by XBSALL&Acura
razorjack81 said:
yes I do it already, but every custom kernel has bluetooth issues, and I use my su760 with bluetooth a2dp motorcycle headset, and use it every day.
so I need to try more things, and have tried to add OC module to stock ics kernel but never worked well as the overclock of ph85 kernel.
I am in the middle of the matters
Click to expand...
Click to collapse
On the Last Stable release of Blue Kernel II it has working Bluetooth. Latest Nightlies has the busted bluetooth.
Edit: I forgot, iBluemind has taken down the data host site. I saved the last stable for SU760 on my Dropbox - Link
Ill try thanx, however I think used almost all bluemind's kernel, and bluetooth seems to works with as a simple headset, but not as an handfree (ok for talkin, not for music or controlling music app)
Tried to flash this over CM10 based ROM and it does not work. Any Idea?
Did you have wkpark's bootlader 1.25 installed? However i think that for rom based on CM10 you need to change 16 in /system/etc/vold.fstab to 15 and change 17 to 9 in /system/etc/init.d/66swapon without this fix if i'm not wrong!
I'm a bit unclear. So would this allow you to install roms like xbsa on su760? Someone is asking me if they can install it and I don't know because I don't have one
They are already on su760 ics, so they would do fixes and rom, but then need to fix keys, right?
Sent from my holophonic LG P925 with XBSA vX3D ICS ROM
drastic00 said:
I'm a bit unclear. So would this allow you to install roms like xbsa on su760? Someone is asking me if they can install it and I don't know because I don't have one
They are already on su760 ics, so they would do fixes and rom, but then need to fix keys, right?
Sent from my holophonic LG P925 with XBSA vX3D ICS ROM
Click to expand...
Click to collapse
So far only had 100% Working P920 ROM is XBSA v7.2, coming from stock ICS v30b Korea, they need to flash wkpark's 1.25a bootloader then choose either CWM or TWRP from Here and for 3 Key fix they must use ICS Based Kernels for SU760 check PH85 or Blue Kernel II. After that they need to follow the instruction at the OP to successfully use P920 ROM. For CM10 based ROM I'm still testing, defcomg's MIUIv5 works but internal sdcard is not being detected, defcomg gave me fix but I haven't had enough time to try it on his MIUI or other CM10 based ROM.
gummie said:
So far only had 100% Working P920 ROM is XBSA v7.2, coming from stock ICS v30b Korea, they need to flash wkpark's 1.25a bootloader then choose either CWM or TWRP from Here and for 3 Key fix they must use ICS Based Kernels for SU760 check PH85 or Blue Kernel II. After that they need to follow the instruction at the OP to successfully use P920 ROM. For CM10 based ROM I'm still testing, defcomg's MIUIv5 works but internal sdcard is not being detected, defcomg gave me fix but I haven't had enough time to try it on his MIUI or other CM10 based ROM.
Click to expand...
Click to collapse
However all european roms work with this fix...i install also the Superlight by defcomg! Also i'm testing CM10 roms!
SedyBenoitPeace said:
However all european roms work with this fix...i install also the Superlight by defcomg! Also i'm testing CM10 roms!
Click to expand...
Click to collapse
Not on CM10 based ROM. I tried using this Fix and it made me automatically boot to fastboot.
Yes you're right..for CM 10 based you need to flash the zip with wkpark's 1.25 by zogu...and it will work fine!
SedyBenoitPeace said:
Yes you're right..for CM 10 based you need to flash the zip with wkpark's 1.25 by zogu...and it will work fine!
Click to expand...
Click to collapse
Your using O3D SU760 right, 3 Keys? Tell me that you can use CM10 partucularly MIUIv5 by defcomg with fixed Partition just by flashing Zogu's bootloader? I'm already using 1.25a uBootloader by wkpark so I don't need to flash any of Zogu's. What I'm telling is flashing this fix to MIUIv5 makes it auto boot to bootloader. Haven't tried MIUIv5 again since I can't make it work with bluetooth and WiFi AP, my wife is already nagging about me messing with her phone, LOL.
This fix, only for stock roms v30a and v28a european.
This fix can be used to have bigs partitions or i'm wrong? I've used it for that on v30a stock rom but don't work.
Good day all I have a Problem that I can not resolve or I am doing something wrong. I had a Sony Play before and flashing Rom on it was a breeze, but i have got myself a lg Optimus 3D and seem to be difficult. When I am on a rooted gingerbread Rom with cwm touch installed everything is working. My Sim card is working and I have no random shutdowns. I have installed a couple of Roms on my phone and all have the same problem. What I have installed is the Walkman Rom, Miui v5 3.6.7 and Miui v5 3.3.29. All have the same problem . When I did is a factory reset,clear cache and install Rom everything works. When I load up the newly installed Rom I have random reboots and my Sim is not detected. About 5 minutes into using Rom it freezes for about 5 seconds then the screen turns black and to get it back on I have to do a battery pull. I have tried with ICS Rom but get boot loop. Can someone help me with this issue that I am have problems with. Thanks for you time.
Chrisdzie
http://forum.xda-developers.com/showthread.php?t=2195753
aldrinmcmie said:
http://forum.xda-developers.com/showthread.php?t=2195753
Click to expand...
Click to collapse
OK thanks for the ics tutorial very helpful. But don't mean to sound like a newbie but how can i solve the problem with my installed custom Roms not working?? Or will this work to with customs jellybean Roms . Thanks again for you helpfulness and time.
Chrisdzie
For ICS based ROMs to work you first need to install ICS.That explains the bootloop. Normally you can't jump from GB to an ICS ROM. The guide shows you how to do that. Then you can choose XBSA ROM or whatever working one you like.
I have not used CM based ROMs, as 3D has not been made to work in these (there is no official LG JB for this phone yet). So, I am not sure about the install process for those.
Sent from my SubGenius™ LG P925 with XBSA vR3D ROM and Supercharged Slack™
chrisdzie said:
OK thanks for the ics tutorial very helpful. But don't mean to sound like a newbie but how can i solve the problem with my installed custom Roms not working?? Or will this work to with customs jellybean Roms . Thanks again for you helpfulness and time.
Chrisdzie
Click to expand...
Click to collapse
There's no shame of being a newbie everyone was once a newbie before they become masters.
Well before I have installed jellybam v 7.8.0 which is a jellybean based Rom. Loved the options and worked fine, but after a day or two my internal storage became full and phone freezed up and unresponsive. Did research and found out that it was a bug. I installed that through official GB Rom. So I went back,then tried to install miui v5 and then walkman but they have the same shutdown and sim not detected issues. People with those Roms installed don't seem to have those issues. So you can see where I am confused. Thanks
Chrisdzie
Sent from my LG-P920 using xda app-developers app
I have read something about installing a different CM version but I am not sure what or how.
If you don't mind can you post a link for me. Because these issues are bothering me. Thank for your time.
Chrisdzie
Sent from my LG-P920 using xda app-developers app
Maybe here
http://forum.xda-developers.com/showthread.php?p=38428702
but I really don't know.
drastic00 said:
Maybe here
http://forum.xda-developers.com/showthread.php?p=38428702
but I really don't know.
Click to expand...
Click to collapse
Ok,ok,ok I think I have found the problem but don't know how to fix it... When I install the custom ROM my imei number is blank which is causing me phone to crash. When I revert back to stock ROM my imei number is back and my phone running without any problems.. Is there a fix for this, or did I need to do something with this before installing my custom ROM. (drastic00)- thanks for the link and sorry for the trouble. Thanks everybody that has helped me.
Chrisdzie
Well thanks everybody that had tried to help me but I have sold my p920 and got myself a HTC sensation. I did not like stock ROM on p920 and since custom firmware never worked then there was no use. Again thanks everybody.
Sent from my HTC Sensation using xda app-developers app