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[Q] LG P500 not booting up

I rooted my phone (Android 2.2.1) yesterday using superoneclick. The rooting process went through smoothly. After the phone was rooted, I installed setCPU. Then I installed root explorer and used that to delete some stock apps- various apps including 'LG Installer'. Phone was working fine till then.
I thought the phone response was slow, so I thought of rebooting and switched the power off and then on. Since then the phone refuses to boot up- I get the flashing android sign, and this goes on and on forever. I read somewhere that a hard reset might help- so I pressed the volume up key, home key and power button simultaneously- the phone then booted up in recovery mode, but the screen is blank and I cant see any icons/ apps etc.
Please help- how do I fix this? Did I set some wrong settings in setcpu accidentally, or did I delete some critical stockapp?
Thanks
Vishnu

if you didn't install any recovery you canot do nothing by pressing power+vol up+home because there is nothing
first of all search for kdz updater and do an stock rom update and start all over again with new stock rom
follow this link http://forum.xda-developers.com/showthread.php?p=19006040
---------- Post added at 09:35 AM ---------- Previous post was at 09:32 AM ----------
also try this link http://forum.xda-developers.com/showthread.php?t=1275523

grigtm said:
if you didn't install any recovery you canot do nothing by pressing power+vol up+home because there is nothing
first of all search for kdz updater and do an stock rom update and start all over again with new stock rom
follow this link http://forum.xda-developers.com/showthread.php?p=19006040
---------- Post added at 09:35 AM ---------- Previous post was at 09:32 AM ----------
also try this link http://forum.xda-developers.com/showthread.php?t=1275523
Click to expand...
Click to collapse
I need to correct this. First of all.. its VOL DOWN you have to use. Hold HOME + VOL DOWN then power to be safe.
@vishnuagni
You shouldn't use apps like setCPU on stock roms with 'Stock Kernel'. Stock kernel dont support overclocking and other things.
You dont need to use kdz or other things.. hold home + vol down then power for few seconds.
If your phone has recovery.. it will enter recovery and you can flash any rom you like.
Or if you dont have recovery.. holding those buttons will hard reset your phone.
Never delete things in stock rom because it will be in odex format and you wont know which file to keep and which one to delete.

grigtm said:
if you didn't install any recovery you canot do nothing by pressing power+vol up+home because there is nothing
first of all search for kdz updater and do an stock rom update and start all over again with new stock rom
follow this link http://forum.xda-developers.com/showthread.php?p=19006040
---------- Post added at 09:35 AM ---------- Previous post was at 09:32 AM ----------
also try this link http://forum.xda-developers.com/showthread.php?t=1275523
Click to expand...
Click to collapse
Thanks rroyy and grigtm
I realize that I have embarked on this process without understanding many things and gotten into trouble- I didnt realize that setCPU would not work with the stock kernel....Also based on various sites, I had understood that rooting allows one to delete stock apps one doesnt want and will also help to create space. In fact, there was a page describing how to use root explorer to delete stock apps- and I followed that. Didnt realize that some critical files may get deleted....anyways....
When I press the volume down + home + power button, the image of an arrow coming out of a box with the android below appears (I guess this indicates recovery mode), and the phone finally boots up- but doesnt show any apps etc. (as I mentioned earlier).
So do I need to get a new rom now by following the steps in one of the links grigtm has shared? Mine is an Indian version- was running 2.2.1...the steps look complex- I guess I will have to very careful...not sure what an nv is...
Thanks

sorry rr0yy, my phone boots in recovery with vol up, dunno why
---------- Post added at 07:35 PM ---------- Previous post was at 07:24 PM ----------
vishnuagni just pay attention to every step on thread, if you are not sure read again, search xda forum for other threads that are more simple or has better tutorials, there are hundreds of same problems and same solutions, search words like "unbrick p500"
---------- Post added at 07:47 PM ---------- Previous post was at 07:35 PM ----------
also read here http://forum.xda-developers.com/showthread.php?t=901247

grigtm said:
sorry rr0yy, my phone boots in recovery with vol up, dunno why
---------- Post added at 07:35 PM ---------- Previous post was at 07:24 PM ----------
vishnuagni just pay attention to every step on thread, if you are not sure read again, search xda forum for other threads that are more simple or has better tutorials, there are hundreds of same problems and same solutions, search words like "unbrick p500"
---------- Post added at 07:47 PM ---------- Previous post was at 07:35 PM ----------
also read here http://forum.xda-developers.com/showthread.php?t=901247
Click to expand...
Click to collapse
No need to be sorry mate.. let it be vol up/down.. its fine if you are able to enter recovery!!
@vishnuagni
That arrow out of box is Reset in progress.
You might have deleted LG UI launcher. Try if you could open settings.. use menu button (extreme left hard key). If that works.. connect your phone to data or wifi. Add your account. Tgen open play store in PC.. login and install any launcher.
After that is done.. press home button and select that launcher as default.
Or
Connect your phone to pc and use ADB to push a launcher in /system.
Read.. how to use adb.
If all these look difficult.. get it updated from service centre.

rr0yy said:
No need to be sorry mate.. let it be vol up/down.. its fine if you are able to enter recovery!!
@vishnuagni
That arrow out of box is Reset in progress.
You might have deleted LG UI launcher. Try if you could open settings.. use menu button (extreme left hard key). If that works.. connect your phone to data or wifi. Add your account. Tgen open play store in PC.. login and install any launcher.
After that is done.. press home button and select that launcher as default.
Or
Connect your phone to pc and use ADB to push a launcher in /system.
Read.. how to use adb.
If all these look difficult.. get it updated from service centre.
Click to expand...
Click to collapse
--------------------------------------
Thanks grigtm for your tips.
Thanks rroyy- I think what you are saying about having deleted the launcher is very likely correct. I get the message after the phone resets- the application com.android.lgsetupwizard (process com.android.lgsetupwizard) has stopped unexpectedly. please try again.
I couldnt get into settings by pressing the menu key (nothing happened).
I am now trying to set up adk....hope that it works- will keep posted. Thanks again- has been very useful

vishnuagni said:
--------------------------------------
Thanks grigtm for your tips.
Thanks rroyy- I think what you are saying about having deleted the launcher is very likely correct. I get the message after the phone resets- the application com.android.lgsetupwizard (process com.android.lgsetupwizard) has stopped unexpectedly. please try again.
I couldnt get into settings by pressing the menu key (nothing happened).
I am now trying to set up adk....hope that it works- will keep posted. Thanks again- has been very useful
Click to expand...
Click to collapse
----------------------------------------
By the way, I am able to copy files between my pc and the phone. So would it be possible to simply copy the needed files for the launcher into the correct directory on the phone to make things work?

Just try and let us know if it works.. dont know if dex app wil work on stock rom.
Later download and extract LGsetupwizard which you deleted. There are stock Zip roms in this forum.
Kdz would be risky but simple.
And next time remember to make a nandroid backup before experimenting!!

vishnuagni said:
----------------------------------------
By the way, I am able to copy files between my pc and the phone. So would it be possible to simply copy the needed files for the launcher into the correct directory on the phone to make things work?
Click to expand...
Click to collapse
Also- any way to restore deleted files through the pc connection? Could that solve the problem? Havent managed to install adb properly yet- getting stuck after installing android sdk at the step of installing platform tools....

you can try to copy launcher app from an downloaded rom into your phone system, but you need to use adb, directly from pc cannot copy anything in phone memory, just in sd card, you need write rights to system
download any rom, open zip and navigate to system/app folder and extract the "launcher" .apk whatever launcher is there if you recognize it by name, I use dinamiterom and the launcher is TREBUCHET.APK
by the way, for data from pc-->phone I use an app named SwiFTP and copy/paste files through wifi and first time I used this it has shown me phone memory folders but it was only then, now it shows only sd card, this app is an wifi FTP server very simple to use
one question?can you access status bar if you swipe down? ?can you access system settings by pressing menu physical key? ?what ROM have you in that phone?

vishnuagni said:
I rooted my phone (Android 2.2.1) yesterday using superoneclick. The rooting process went through smoothly. After the phone was rooted, I installed setCPU. Then I installed root explorer and used that to delete some stock apps- various apps including 'LG Installer'. Phone was working fine till then.
I thought the phone response was slow, so I thought of rebooting and switched the power off and then on. Since then the phone refuses to boot up- I get the flashing android sign, and this goes on and on forever. I read somewhere that a hard reset might help- so I pressed the volume up key, home key and power button simultaneously- the phone then booted up in recovery mode, but the screen is blank and I cant see any icons/ apps etc.
Please help- how do I fix this? Did I set some wrong settings in setcpu accidentally, or did I delete some critical stockapp?
Thanks
Vishnu
Click to expand...
Click to collapse
Try learning about KDZ, is dangerous to play around it without knowledge but if you learn it up, it can help you to fix some (not all) of the bricked phone situation:
http://forum.xda-developers.com/showthread.php?t=1184056

Service Firmware RNE-L21C185B101

Hi
I have service firmware of hw/meafnaf
If anybody wanted, write to pm.

Me. Thanks

rambik33 said:
Hi
I have service firmware of hw/meafnaf
If anybody wanted, write to pm.
Click to expand...
Click to collapse
I need it badly bro, STOCK firmware or TWRP back of same version, plz plz plz

usman400 said:
I need it badly bro, STOCK firmware or TWRP back of same version, plz plz plz
Click to expand...
Click to collapse
here is the link https://androidfilehost.com/?fid=673956719939826581
---------- Post added at 02:30 PM ---------- Previous post was at 02:30 PM ----------
Rne-l21c185b101 service rom
https://androidfilehost.com/?fid=673956719939826581

What is it for?

GamooSachar said:
here is the link https://androidfilehost.com/?fid=673956719939826581
---------- Post added at 02:30 PM ---------- Previous post was at 02:30 PM ----------
Rne-l21c185b101 service rom
https://androidfilehost.com/?fid=673956719939826581
Click to expand...
Click to collapse
But that's an update package and I am unable to is any dload via update only please can I provide full twrp backup and twrp.img as well
---------- Post added at 10:39 PM ---------- Previous post was at 10:38 PM ----------
GamooSachar said:
here is the link https://androidfilehost.com/?fid=673956719939826581
---------- Post added at 02:30 PM ---------- Previous post was at 02:30 PM ----------
Rne-l21c185b101 service rom
https://androidfilehost.com/?fid=673956719939826581
Click to expand...
Click to collapse
But that's an update package and I am unable to use any dload via update only please can I provide full twrp backup and twrp.img as well

usman400 said:
But that's an update package and I am unable to is any dload via update only please can I provide full twrp backup and twrp.img as well
---------- Post added at 10:39 PM ---------- Previous post was at 10:38 PM ----------
But that's an update package and I am unable to use any dload via update only please can I provide full twrp backup and twrp.img as well
Click to expand...
Click to collapse
You should still be able to use it though.
*****Requirements:*****
1. Stock recovery: You can search the internet for "Huawei Update Extractor", download the program and use it to extract stock recovery from that download file. Having stock recovery is a prerequiste to force upgrade using dload method. Without it, this method WILL FAIL.
***Alternatively, it has been uploaded on this forum so you can go download it from there.***
2. A USB drive that can be connected to the phone via OTG(I didn't try this myself, however, according to some people, this is possible) OR a Micro SD card with a Micro SD card reader or another phone to be able to access it. WHichever you're using, It must have at least 8GB size and must be formatted with exFAT.(You won't be able to copy the biggest update.app file into it if it's formatted via FAT32).
*****Steps on how to do it:*****
1. If you don't have stock recovery installed on the phone, flash it via fastboot first.
2. Prepare the Micro SD card OR a USB drive you can connect to your phone via OTG, by extracting the dload folder which is include in SDUpdate_Package.tar.gz and copying it to the root folder of your Micro SD card or USB drive.
3. Make sure your phone is not low on battery(at least %30 is recommended) and not plugged to anything. If you're using USB over OTG to upgrade however, plug that in first.
4. Press and hold Volume UP, Volume DOWN and POWER button simultaneously. It will boot up in forced upgrade mode and install the contents of the update.app file if it's compatible with your device. It will automatically restart when it finishes.
Congratulations! You have successfully restored your ROM to Service firmware RNE-L21C185B101!
5. Optional: Bootloader will be locked after using the first update.app, so you may want to unlock it again. The good news is, you can use the same unlock code you used first to unlock it(if you have saved it somewhere, that would be great).

thesingular said:
You should still be able to use it though.
*****Requirements:*****
1. Stock recovery: You can search the internet for "Huawei Update Extractor", download the program and use it to extract stock recovery from that download file. Having stock recovery is a prerequiste to force upgrade using dload method. Without it, this method WILL FAIL.
***Alternatively, it has been uploaded on this forum so you can go download it from there.***
2. A USB drive that can be connected to the phone via OTG(I didn't try this myself, however, according to some people, this is possible) OR a Micro SD card with a Micro SD card reader or another phone to be able to access it. WHichever you're using, It must have at least 8GB size and must be formatted with exFAT.(You won't be able to copy the biggest update.app file into it if it's formatted via FAT32).
*****Steps on how to do it:*****
1. If you don't have stock recovery installed on the phone, flash it via fastboot first.
2. Prepare the Micro SD card OR a USB drive you can connect to your phone via OTG, by extracting the dload folder which is include in SDUpdate_Package.tar.gz and copying it to the root folder of your Micro SD card or USB drive.
3. Make sure your phone is not low on battery(at least %30 is recommended) and not plugged to anything. If you're using USB over OTG to upgrade however, plug that in first.
4. Press and hold Volume UP, Volume DOWN and POWER button simultaneously. It will boot up in forced upgrade mode and install the contents of the update.app file if it's compatible with your device. It will automatically restart when it finishes.
Congratulations! You have successfully restored your ROM to Service firmware RNE-L21C185B101!
5. Optional: Bootloader will be locked after using the first update.app, so you may want to unlock it again. The good news is, you can use the same unlock code you used first to unlock it(if you have saved it somewhere, that would be great).
Click to expand...
Click to collapse
Thank u man
It went exactly as you provided detailes for !
First I had a 16 GB card working perfectly fine for normal use, but it wont just copy this dload
even after I formatted it via TWRP (Changed file system as exfat) still it would show error copying.
Then I used another 32 GB card, formatted it as exfat via card reader/Windows 7, then copied files one by one
it copied fine, and then the rest of update procedure (via all 3 buttons) was like a breeeeeeze.
Thank u man GOD Bless u

Nothing for L22?

can anyone plz tell me the meaning of service rom ??
and the difference between it and ordinary rom

doctor7mada said:
can anyone plz tell me the meaning of service rom ??
and the difference between it and ordinary rom
Click to expand...
Click to collapse
Service rom is for huawei service centres, Thanks to the man who has uploaded this.

GamooSachar said:
Service rom is for huawei service centres, Thanks to the man who has uploaded this.
Click to expand...
Click to collapse
what's the difference??

doctor7mada said:
what's the difference??
Click to expand...
Click to collapse
No difference at all.

rambik33 said:
Hi
I have service firmware of hw/meafnaf
If anybody wanted, write to pm.
Click to expand...
Click to collapse
Can I flash it through twrp?

jhedd666 said:
Can I flash it through twrp?
Click to expand...
Click to collapse
Not
Via stock recovery.

rambik33 said:
Not
Via stock recovery.
Click to expand...
Click to collapse
Do u have backup in twrp?thanks..

Need stock recovery.img for this phone

I installed twrp on my phone expecting to install a custom rom soon after. Come to find out that all the supposed guides for installing custom roms on this phone are phony. There is no rom for this phone, trust me, I've looked everywhere.
I need to replace the stock recovery so I can get ota updates. Anyone with this phone who can post it, I would highly appreciate it.

Even i am looking for Stock image file, can some one extract it from their devices and post it here. All places where ROM for this phone is found is behind a paywall, and i am also not sure if its genuine
---------- Post added at 07:05 PM ---------- Previous post was at 07:01 PM ----------
imranjamadar said:
Even i am looking for Stock image file, can some one extract it from their devices and post it here. All places where ROM for this phone is found is behind a paywall, and i am also not sure if its genuine
Click to expand...
Click to collapse
https
drive.google.com/file/d/1nuPYkQEpyf9o6dFmJh3PDC69NZ39pYyr/view?usp=sharing##
Here is my backup , but when I making backup, I forgot to remove my SIM card when i reset my phone and made bakeup, so there might be some SIM card build-in apps, just delete after restore.

imranjamadar said:
Even i am looking for Stock image file, can some one extract it from their devices and post it here. All places where ROM for this phone is found is behind a paywall, and i am also not sure if its genuine
---------- Post added at 07:05 PM ---------- Previous post was at 07:01 PM ----------
https
drive.google.com/file/d/1nuPYkQEpyf9o6dFmJh3PDC69NZ39pYyr/view?usp=sharing##
Here is my backup , but when I making backup, I forgot to remove my SIM card when i reset my phone and made bakeup, so there might be some SIM card build-in apps, just delete after restore.
Click to expand...
Click to collapse
is it work or not? im the original post

Boot animation that *.mp4 like morfuz 3.4 for mate 10 lite

Hey Guys i would like to share with you my customized boot animation. The original bootanimation.zip, i converted it to jarvisfinal.mp4 and i add mp3 background on it just to add some flavor. I don't know how to make it flashable thats why i share with you this boot animation and how to do replace by following the tutorials below.
Note: boot image is not my work, credit to the one who made it.
1. You must first download the jarvisfinal.zip and extract it, must be *.mp4 boot supported like morfuz 3.4 for mate 10 lite.
2. must be rooted.
3. copy Jarvisfinal.mp4 to sdcard or to internal storage of your device which you prefer to copy.
4. locate product/etc/media on your file manager and after that, backup your original boot animation which is *.mp4 and paste Jarvisfinal.mp4 in it.
5. copy the filename of the original *.mp4 and replace the the filename of jarvisfinal.mp4 that i uploaded.
6. reboot your phone and enjoy.

Screen shots.

Hello, does this work?
---------- Post added at 03:05 PM ---------- Previous post was at 02:28 PM ----------
Bro it doesn't work. Did everything, rebooted and got stuck at the screen where it says "your phone has been rooted... blah blah" for a few seconds(I guess that's when the booting occurs) then it took me straight to where I put in my pin to unlock the device.

icripps said:
Hello, does this work?
---------- Post added at 03:05 PM ---------- Previous post was at 02:28 PM ----------
Bro it doesn't work. Did everything, rebooted and got stuck at the screen where it says "your phone has been rooted... blah blah" for a few seconds(I guess that's when the booting occurs) then it took me straight to where I put in my pin to unlock the device.
Click to expand...
Click to collapse
sir your phone mus be rooted, and please check your boot animation if it is *.mp4? if it doesnt work then restore it with your original bootloader using twrp goto advanced and select file manager you can restore your bootanimation on this area.

thank you
worked for too.
On rom morfuz 3.6. perfect good idea.

Chisetdel31260 said:
thank you
worked for too.
On rom morfuz 3.6. perfect good idea.
Click to expand...
Click to collapse
welcome sir

Please if you know any other compatible boot animation; do reply corresponding thread link
Will try to install jarvis boot animation in a bit.. :cyclops:

Room stock g6_opss27.82-87-3

Good day I bring you the link of the variant, corresponding to the month of September, with this room can block the boot loader, within the link are the corresponding files so they can use it on their moto g6,
I use the variant xt-1925-2 colombia
https://drive.google.com/drive/folders/1rjVVVkURYkFCQdCWFz2OOtAYGgvNuRss?usp=sharing
use adb tool to flash the corresponding room and the .bat files to block the bootloader

How to flash it??

Thank you for this rom

Image signed with bad key

Vedu_123 said:
How to flash it??
Click to expand...
Click to collapse
Deleted

madbat99 said:
Just put it in the root of your internal storage not in any folder. Then go into your phone's settings and system updates and click check for updates.
Click to expand...
Click to collapse
I am already using pie how can i update it? By this method
---------- Post added at 06:00 AM ---------- Previous post was at 05:49 AM ----------
madbat99 said:
Just put it in the root of your internal storage not in any folder. Then go into your phone's settings and system updates and click check for updates.
Click to expand...
Click to collapse
I tried it its not working! Can you tell me an easy method to downgrade to oreo
---------- Post added at 06:00 AM ---------- Previous post was at 06:00 AM ----------
madbat99 said:
Just put it in the root of your internal storage not in any folder. Then go into your phone's settings and system updates and click check for updates.
Click to expand...
Click to collapse
I tried it its not working! Can you tell me an easy method to downgrade to oreo

Vedu_123 said:
I am already using pie how can i update it? By this method
---------- Post added at 06:00 AM ---------- Previous post was at 05:49 AM ----------
I tried it its not working! Can you tell me an easy method to downgrade to oreo
---------- Post added at 06:00 AM ---------- Previous post was at 06:00 AM ----------
I tried it its not working! Can you tell me an easy method to downgrade to oreo
Click to expand...
Click to collapse
First back up every thing in your phone to the PC, cause this rom will delete everything.
Unzipfile in your PC, then go to the folder where you unzip it, there is a sub folder called ADB, copy all content and paste it to da main folder, with the .img files. Next open the one of the .exe file from the ADB, I forget its name I think its start.exe. Open it by pressing shift on the keyboard and right click the mouse, run as administrator, you will run a command prompt.
Then shut down your phone, go to bootloader by pressing power an volume keys at the same time, after that connect your phone to your PC.
When connected go to your PC command prompt, type, flash_all.bat. Hopefully it will flash everything in the folder, then reboot the phone.
But be careful, cause this will delete all you data. So better back up everything.

jaydyan said:
First back up every thing in your phone to the PC, cause this rom will delete everything.
Unzipfile in your PC, then go to the folder where you unzip it, there is a sub folder called ADB, copy all content and paste it to da main folder, with the .img files. Next open the one of the .exe file from the ADB, I forget its name I think its start.exe. Open it by pressing shift on the keyboard and right click the mouse, run as administrator, you will run a command prompt.
Then shut down your phone, go to bootloader by pressing power an volume keys at the same time, after that connect your phone to your PC.
When connected go to your PC command prompt, type, flash_all.bat. Hopefully it will flash everything in the folder, then reboot the phone.
But be careful, cause this will delete all you data. So better back up everything.
Click to expand...
Click to collapse
Yo Thanks!

Vedu_123 said:
I am already using pie how can i update it? By this method
---------- Post added at 06:00 AM ---------- Previous post was at 05:49 AM ----------
I tried it its not working! Can you tell me an easy method to downgrade to oreo
---------- Post added at 06:00 AM ---------- Previous post was at 06:00 AM ----------
I tried it its not working! Can you tell me an easy method to downgrade to oreo
Click to expand...
Click to collapse
Sorry my post went to the wrong thread.

Is already version ALI_RETAIL_8.0.0_OPSS27.82-87-6 - security update November 2018
https://mirrors.lolinet.com/firmware/moto/ali/official/RETAIL/ALI_RETAIL_8.0.0_OPSS27.82-87-6_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml.zip

Thanks! I was searching everywhere to flash this Security Update to get Android 9 and this worked!

Good night! After I block I will continue to receive updates via OTA