[Q] Downgrade/restore LG Optimus 3D P920 - LG Optimus 3D

At first I must say this is my first and only Android phone. Since I stuck with V21b software which is as I found out impossible to root is there any way for me to restore/downgrade previous V21a software version that was on this phone before (as much as I can find out V21a is "rootable" on O3D). I guess I need something like stock ROM and not any custom.
Thanks once more for help.

What do you need to root for if you want a stock rom? 21b is the best stock rom.
Sent from my LG-P920 using xda premium

dfrimmel said:
At first I must say this is my first and only Android phone. Since I stuck with V21b software which is as I found out impossible to root is there any way for me to restore/downgrade previous V21a software version that was on this phone before (as much as I can find out V21a is "rootable" on O3D). I guess I need something like stock ROM and not any custom.
Thanks once more for help.
Click to expand...
Click to collapse
go to this page http://forum.xda-developers.com/showthread.php?t=1473781
this is for upgrading and downgrading
for the roms go to this page http://forum.xda-developers.com/showthread.php?t=1287236
GOOD LUCK!

mad_sunday said:
What do you need to root for if you want a stock rom? 21b is the best stock rom.
Sent from my LG-P920 using xda premium
Click to expand...
Click to collapse
I'm rooted on v21a and I'll tell you why root is needed.Making backups on a regular basis,use titanium backup,gl to sd and many more apps which require root.So root is needed on ofiicial too.The only root benefit on custom roms over the stock ones is overclocking ability (if kernel supports it)
Still waiting for cm9

Thank you all very much, last night I downgrade my O3D to V21a and manage to root it. Now again when I install some app it is in internal sdcard, and I want all apps to be installed on my micro sd card by default. Can you please help me with this. Thanks.

dfrimmel said:
Thank you all very much, last night I downgrade my O3D to V21a and manage to root it. Now again when I install some app it is in internal sdcard, and I want all apps to be installed on my micro sd card by default. Can you please help me with this. Thanks.
Click to expand...
Click to collapse
Glad to hear you worked everything out!
There is a option its called swap method look in development thread but i wont risk it because almost all the apps will crash with this method so dont take the chance... btw you can swap alot of apps by default to sdcard in aplications settings why you want to to install apps on sd card if you got 1gb of internal memory for apps on board? anyway have a look if you want but i will strongly reccomend that u shouldnt make any tweaks on your phone afterall the phone has already have this tweaks on standard factory settings!

I just want to use my 16GB sd card instead of internal sd. For example I have preinstalled Asphalt6, Lets golf and NOVA, downloaded Backstab installed and cant start game because there is not enough free space. I now that I can set move to sd card in app manager (even in stock ROM) and if I do that everything is still same, no more new free space. This is the problem that am facing with and need help to solve it. Thanks.

dfrimmel said:
I just want to use my 16GB sd card instead of internal sd. For example I have preinstalled Asphalt6, Lets golf and NOVA, downloaded Backstab installed and cant start game because there is not enough free space. I now that I can set move to sd card in app manager (even in stock ROM) and if I do that everything is still same, no more new free space. This is the problem that am facing with and need help to solve it. Thanks.
Click to expand...
Click to collapse
hello again have a look at this thread http://forum.xda-developers.com/showthread.php?t=1091455
its for the lg optimus 2x but it shoud work for the optimus 3d let me know if it worked

Yes this:
http://forum.xda-developers.com/showthread.php?t=1091455
is perfectly working on my Optimus 3D great tutorial.
Thanks once more for help.

Related

[Q] How to Incress Internal Space of GT-I5801?

Hi
I am Beginner in to Rooting and Install or Modify Android OS (2.2).
I Root My G3 Some Days ago and Enable Live Wallpaper . . . . I use Stock Froyo Rom, Now I am close to Full My Phone's Internal Storage.
I have SD Card 4GB which Free about 800 MB,
Is there Any Tutorial or Trick avaliable for Galaxy 3( I5801 ) SD Storage Convert or used as a Internal Space. ?
I search and Found It is avilable for Galaxy Mini
(I want some Hack as Mention in said post)
h**p://forum.xda-developers.com/showthread.php?t=1398797
(* = t)
Thanks,
you can use things like apps2sd or link2sd to move apps to your sdcard, alternatively, most roms seem to come with a crap load of launchers and music apps etc. delete the ones you dont use/want using root explorer. (they are in system/app folder) that should free up some memory too.
Ava.tar said:
you can use things like apps2sd or link2sd to move apps to your sdcard, alternatively, most roms seem to come with a crap load of launchers and music apps etc. delete the ones you dont use/want using root explorer. (they are in system/app folder) that should free up some memory too.
Click to expand...
Click to collapse
I use App2SD and Delete App and After that My Phone Space is about to Full .. .. ..
Now what to Do? So I am in search for SD Card to use as Internal Space.
Thanks For Suggestion .. .. .. ..
On 2.2 Froyo a big part of app that you moved to sd stays on internal memory...I suggest upgrading to 2.3 or partitioning your sd card.I'm on Hercolubus rom 90 apps installed 70 Mb internal memory left...
artifex21 said:
On 2.2 Froyo a big part of app that you moved to sd stays on internal memory...I suggest upgrading to 2.3 or partitioning your sd card.I'm on Hercolubus rom 90 apps installed 70 Mb internal memory left...
Click to expand...
Click to collapse
OK, First Thanks for Answer
(1) If I go with Partitioning SD Card How to Do that , Step by Step Guide Available?
(2) for Upgrading 2.3, I dont want miss any of my function or hardware like in some rom Bluetooth not work. Is Hercolubus Rom Stable 100% for G3?
Please Give me Link for Stable Rom or Suggest me Rom which Runs all function of Galaxy 3, I also consider to upgrade my Galaxy 3 to Android 2.3.....
(3) If I upgrade My phone, and Official 2.3 comes (I know chances are less ) How to Roll back to stock rom?
Thanks,
julie_bholu said:
OK, First Thanks for Answer
(1) If I go with Partitioning SD Card How to Do that , Step by Step Guide Available?
(2) for Upgrading 2.3, I dont want miss any of my function or hardware like in some rom Bluetooth not work. Is Hercolubus Rom Stable 100% for G3?
Please Give me Link for Stable Rom or Suggest me Rom which Runs all function of Galaxy 3, I also consider to upgrade my Galaxy 3 to Android 2.3.....
(3) If I upgrade My phone, and Official 2.3 comes (I know chances are less ) How to Roll back to stock rom?
Thanks,
Click to expand...
Click to collapse
1- Search it on Google
2- I upgraded mine SG3 to 2.3 and all features still work
3-Just flash the stock Rom. You can find it in SG3 Android Development
Sent from my GT-I5800 using xda premium
I suggest Link2SD, it's very easy to use, you can choose wich app link and wich not, it's a graphical app and doesn't make the phone slow conversely to App2SD. Now i have like 30 apps and my internal storage is still 183 MB
Solved
Got Solved with Link 2 Sd . . . .
Thanks,
Created Ext2 Partition with Ubuntu and Used Space. . . .
impossible to root
For me my G3 refuse to root! how to force it?
leblancbahiga said:
For me my G3 refuse to root! how to force it?
Click to expand...
Click to collapse
Superoneclick root/cf root.
Cheers
Sent from my GT-i9003 powered by Stable and Smooth CleanKpu rom
leblancbahiga said:
For me my G3 refuse to root! how to force it?
Click to expand...
Click to collapse
Use Super One Click ,

Low memory problem

Hi people! I'm sorry if this has been discussed before, I searched but couldn't find the topic about that. If there is one, please direct me there. Thanks!
So, my friend has a ChaCha, and she gets the low memory msg all the time. She can't install anything, only having ~80MB of space taken (when calculated) although the phone says that more than 130MB is taken. She can't open Gtalk or Gmail - the phone is slower than imaginable! We wiped the cash from the Apps Settings, checked and everything possible is on the SD card, but still... The phone is not rooted nor anything.
Thanks in advance!
Link2sd app
Be carrefull !!
But the phone itself offers the option of installing a part of the app on sdcard - why then the link2sd? Can it be that the phone alone isn't doing the job properly?
Thread cleaned
OK, guys, I've cleaned this thread.
Please watch your language in the future or there will be consequences. You know who you are.
jotha - forum moderator
mironiko said:
But the phone itself offers the option of installing a part of the app on sdcard - why then the link2sd? Can it be that the phone alone isn't doing the job properly?
Click to expand...
Click to collapse
Link2sd is one option. When you use native a2sd (built in) it doesn't move everything on sd, just part of application. The best way is too flash one of many custom roms that have ability to install scripts that will move all apps to ext partition. CM mods support those scripts (IMO the best one to use is CronMod Script - D2EXT and INT2EXT (+)), there are also many stock based custom roms that has dta2sd preinstalled.
Of course you need to be rooted and you need to partition your sd-card in order to do that.
Regards
didije, can you please tell me how to root your phone and install this partition thingy onto the SD CARD without losing the stock rom? I like sense widgets and the stock rom very much!
TH3KiD said:
didije, can you please tell me how to root your phone and install this partition thingy onto the SD CARD without losing the stock rom? I like sense widgets and the stock rom very much!
Click to expand...
Click to collapse
http://forum.xda-developers.com/showpost.php?p=32489433&postcount=4
After you unlock the bootloader flash recovery and to root it install this zip though recovery.
On a stock rom (stock kernel) you can only use apps such as link2sd. And there are many threads on partitioning sd-card, just google it. The easiest way is to partition from advanced menu in clockwork recovery but I am not sure if partitioning through clockworkmod recovery works with link2sd.
TH3KiD said:
didije, can you please tell me how to root your phone and install this partition thingy onto the SD CARD without losing the stock rom? I like sense widgets and the stock rom very much!
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1449681
1. First Unlock the phone, then root, follow the thread.
stayfidz said:
http://forum.xda-developers.com/showthread.php?t=1449681
1. First Unlock the phone, then root, follow the thread.
Click to expand...
Click to collapse
I just pointed him to the post you wrote in his thread, lol :laugh:

[Help] Can't move apps to SD card ...

Hello
So i have a little problem which is really anoying ...
I'm running the lastest stock FW which is Jelly Bean 4.1.1, and my device is rooteed ( i updated with OTA RootKeeper) and i'm sure i'm rooted because somes apps that requires root are working perfectly.
I have tried every single app on the market that would allow me to move my apps to the SD card but no success, every app fails ...
Any idea on how to fix this ?
Thanks in advance
azsde said:
Hello
So i have a little problem which is really anoying ...
I'm running the lastest stock FW which is Jelly Bean 4.1.1, and my device is rooteed ( i updated with OTA RootKeeper) and i'm sure i'm rooted because somes apps that requires root are working perfectly.
I have tried every single app on the market that would allow me to move my apps to the SD card but no success, every app fails ...
Any idea on how to fix this ?
Thanks in advance
Click to expand...
Click to collapse
Look for link2sd on the market. This app will move your apps to your sdcard then create a reference point for the OS to find the app. The draw back is it's a little technical to set this up. You need to create 2 partitions on your sd card, first partion is fat32 to store your normal stuff and the second partion formatted with ext4 for the apps. Currently there is no other app can move app to sd.
buhohitr said:
Look for link2sd on the market. This app will move your apps to your sdcard then create a reference point for the OS to find the app. The draw back is it's a little technical to set this up. You need to create 2 partitions on your sd card, first partion is fat32 to store your normal stuff and the second partion formatted with ext4 for the apps. Currently there is no other app can move app to sd.
Click to expand...
Click to collapse
Is this a Jelly Bean issue ?
azsde said:
Is this a Jelly Bean issue ?
Click to expand...
Click to collapse
Yes, I believe they blocked this since ICS.
buhohitr said:
Yes, I believe they blocked this since ICS.
Click to expand...
Click to collapse
That's a shame ...
Thanks for the info
Why would you need it anyway? 32 or 64 GB of space not enough for apps?
_that said:
Why would you need it anyway? 32 or 64 GB of space not enough for apps?
Click to expand...
Click to collapse
+1
Why do you need to move apps to SD card? That's an old froyo thing isn't it?
GL to SD
https://play.google.com/store/apps/details?id=com.slf.ListglApp&hl=en Been using since I had the original transformer .. work well on Infinity with latest build just need to have root. I have all my large games on my sd card. :laugh:
obelis said:
https://play.google.com/store/apps/details?id=com.slf.ListglApp&hl=en Been using since I had the original transformer .. work well on Infinity with latest build just need to have root. I have all my large games on my sd card. :laugh:
Click to expand...
Click to collapse
I believe this only for game data only not regular apps! Also not all games will work with this.
sbdags said:
+1
Why do you need to move apps to SD card? That's an old froyo thing isn't it?
Click to expand...
Click to collapse
Well, let's say that some apps requires a certain patch that only works when the patch is applied to an app that has been moved to the SD card :fingers-crossed:
You can also use the app directory bind to do this on ICS or JB.
With large apps like GTA3, GTA Vice CIty, and Madden, even with a 32g card being able to move large apps to sd would be a godsend. Its making my god tablet slow being filled up. Be nice to find a workaround...

please help me

guys
i have a serious problem
most of my games especially 3D games like Shadowgun ,Beach Bugy Blitz and Dead Trigger are keep closing whenever they start they go back to Home Screen
i don't know why
this happened first on ics v28b then i tried v30a and optimusRS xperia rom all the same problem
i formatted cache ,internal storage ,external SD and did factory reset but this didn't solve the problem
i think i will go back to GB if no one helped me
all apps and games were running normally on GB
anyone else have this problem or only me??
so plz people any help will be appreciated
Have you tried uninstalling and reinstalling the games? Or clearing data? I have not tried BBB, but the others have worked fine for me in the past.
You could be out of memory when these run from too many apps saved to system memory. I move almost all apps to external sd.
Many possible causes for apps to crash... just having ICS is not one of them, unless the flash was bad.
What tool did you use to get ICS?
P.S. I just tried bbb, since I have been hearing about that one. Works fine.
P.P.S. please ask in Q&A section next time :thumbup:
1. Enable 2D GPU rendering.
2. Enable swap and set swappiness to 100.
They should work, I have no problem.
I even ran 3DMark from Google Play with no problems.
drastic00 said:
Have you tried uninstalling and reinstalling the games? Or clearing data? I have not tried BBB, but the others have worked fine for me in the past.
You could be out of memory when these run from too many apps saved to system memory. I move almost all apps to external sd.
Many possible causes for apps to crash... just having ICS is not one of them, unless the flash was bad.
What tool did you use to get ICS?
P.S. I just tried bbb, since I have been hearing about that one. Works fine.
P.P.S. please ask in Q&A section next time :thumbup:
Click to expand...
Click to collapse
i flashed ICS with LG Flash tool
i extracted .kdz file to .bin and .fls and flashed them
with custom roms crashing happening almost every time i open the game
but with stock rom it happens every now and then not every time
GlossGhost said:
1. Enable 2D GPU rendering.
2. Enable swap and set swappiness to 100.
They should work, I have no problem.
I even ran 3DMark from Google Play with no problems.
Click to expand...
Click to collapse
How can i do that??
enabling 2D GPU rendering and swap???
is there a custom rom with 2d rendering enabled and swap??
xbsall ,dark rom or optimusRS xperia rom???
If it only happens with the games I'd try reinstalling them and/or moving data to external sd (use the GL to SD app from Play Store for that). Like I say, they could be crashing from lack of memory.
If it happens with other apps it could be a system stability issue. I'd check pc drivers are installed correctly and flash a .bin that is not extracted from .kdz (no need to do that, there are plenty available), one known to work. But that's just me.
I have not had the need for any swap mods, so I don't know about that. XBSA vR3D works fine for my use.
drastic00 said:
If it only happens with the games I'd try reinstalling them and/or moving data to external sd (use the GL to SD app from Play Store for that). Like I say, they could be crashing from lack of memory.
If it happens with other apps it could be a system stability issue. I'd check pc drivers are installed correctly and flash a .bin that is not extracted from .kdz (no need to do that, there are plenty available), one known to work. But that's just me.
I have not had the need for any swap mods, so I don't know about that. XBSA vR3D works fine for my use.
Click to expand...
Click to collapse
yea i think is is a problem of ram
coz when BBB crash my ram has only 50 mg free
how can i solve this>?
should i try XBSA vR3D rom??
If you like. This is what mine has at the moment.
By the way, IF it is a system problem and not just app or storage, installing a different custom rom is not going to solve the problem. I'm talking about reflashing ICS from scratch
Sent from my SubGenius™ LG P925 with XBSA vR3D ROM and Supercharged Slack™
Well
I am downloading a fresh copy of V30a.bin and .fls NOT.kdz
I will flash it with LG flash tool and tell you if it makes difference
About memory I think more than half the system memory is free
Also internal sd and external sd
I formatted both sd and formatted system as I said
Thnx anyway for yor time and for your help
I will flash once I go home and tell you
Sent from my LG-P920 using xda app-developers app
BBB still crashing
and now google play store crash sometimes too during download
any idea??
It really sounds like a space issue. If you only have 40mb of system memory free there is no room for apps to work when they run. Uninstall some system apps you don't need. Don't delete your system
By the way I only meant the flashing thing as a last resort, if nothing else works.
As you see there, I have half a gig system space free so the phone has room to do some 'maths.'

Link2SD and GL to SD cannot see Brave Frontier(Game)

Hello.. I have a LG optimus f6 (MS500) rooted with xperion rom and the freedom kernel
I have been using GL to SD for games like Hello Hero and Heroes of DA. Well i Noticed Brave Frontier was sucking up more mem so.. i went to move it.. Hmm not to be seen.... So i go n partition install link2sd... Still cant find Brave Frontier. Oh the app is there/playable... both global and Jap version.. But neither app can seem to see them to link. Obviously the company has done something to prevent people from modding the app/data.. whatever... Can anyone help me figure out how to find/move this app/data with either link2SD or GL to SD.. i can use both but since i went and formatted i may as well go with l2sd.. if i can. Ok i hope this is understandable and i hope someone can help. Thanks
inarimi said:
Hello.. I have a LG optimus f6 (MS500) rooted with xperion rom and the freedom kernel
I have been using GL to SD for games like Hello Hero and Heroes of DA. Well i Noticed Brave Frontier was sucking up more mem so.. i went to move it.. Hmm not to be seen.... So i go n partition install link2sd... Still cant find Brave Frontier. Oh the app is there/playable... both global and Jap version.. But neither app can seem to see them to link. Obviously the company has done something to prevent people from modding the app/data.. whatever... Can anyone help me figure out how to find/move this app/data with either link2SD or GL to SD.. i can use both but since i went and formatted i may as well go with l2sd.. if i can. Ok i hope this is understandable and i hope someone can help. Thanks
Click to expand...
Click to collapse
Do you have rooted your device?
yes
Aurimazs said:
Do you have rooted your device?
Click to expand...
Click to collapse
Please see top of my post for my device info
solved
ok.. figured it out. All the apps i had moved to sd card.. just app not data obviously disappeared when i formatted but phone still saw them... to an extent. deleted all old app icons under apps and reinstalled.. worked great. just gotta remember to move apps back BEFORE formatting. Oh and an ext4 partition cause data cant be moved to fat 32
inarimi said:
ok.. figured it out. All the apps i had moved to sd card.. just app not data obviously disappeared when i formatted but phone still saw them... to an extent. deleted all old app icons under apps and reinstalled.. worked great. just gotta remember to move apps back BEFORE formatting. Oh and an ext4 partition cause data cant be moved to fat 32
Click to expand...
Click to collapse
Glad you solved it without my help Now Add [SOLVED] on your title.
i have the same problem bro, can you elaborate how did you move brave frontier on your external SD card.. it would be very helpful thnks

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