FORUMS
Remove All Ads from XDA

Rollback Optimus 4X HD from 4.1.2 JellyBean to 4.0.3 Stock ICS

166 posts
Thanks Meter: 491
 
Post Reply Email Thread
7th March 2013, 12:15 AM |#11  
Senior Member
Thanks Meter: 32
 
More
Thanks for all the write-ups and instructions guys.
 
 
7th March 2013, 08:55 AM |#12  
@non4's Avatar
Senior Member
Flag Gothicus
Thanks Meter: 850
 
More
Re: Rollback Optimus 4X HD from 4.1.2 JellyBean to 4.0.3 Stock ICS
Need mirrors, my phone refuses to download from mega

Sent from my LG-P880 using Tapatalk 2
7th March 2013, 09:10 AM |#13  
Senior Member
Thanks Meter: 16
 
More
im in v20, i want to downgrade, its okay if i dont do factory reset?
7th March 2013, 09:59 AM |#14  
@non4's Avatar
Senior Member
Flag Gothicus
Thanks Meter: 850
 
More
Re: Rollback Optimus 4X HD from 4.1.2 JellyBean to 4.0.3 Stock ICS
Quote:
Originally Posted by vrmanzacky

im in v20, i want to downgrade, its okay if i dont do factory reset?

Always best if you do

Sent from my LG-P880 using Tapatalk 2
7th March 2013, 10:02 AM |#15  
RuedasLocas's Avatar
Senior Member
Flag Gdansk, Poland
Thanks Meter: 512
 
More
Re: Rollback Optimus 4X HD from 4.1.2 JellyBean to 4.0.3 Stock ICS
Quote:
Originally Posted by vrmanzacky

im in v20, i want to downgrade, its okay if i dont do factory reset?

You don't need to... LGFLASH Tool will erase everything.

Sent from my LG-P880 using xda app-developers app
The Following User Says Thank You to RuedasLocas For This Useful Post: [ View ] Gift RuedasLocas Ad-Free
7th March 2013, 11:00 AM |#16  
Junior Member
Thanks Meter: 0
 
More
not able to to do this step: After Driver installation, go to device manager select “LGE CDMA USB SERIAL PORT” right click properties then connection setting advanced and set to “com41″

can't find connection setting advanced, im running win8 64bit
7th March 2013, 11:05 AM |#17  
RuedasLocas's Avatar
Senior Member
Flag Gdansk, Poland
Thanks Meter: 512
 
More
Quote:
Originally Posted by Norse_Viking

not able to to do this step: After Driver installation, go to device manager select “LGE CDMA USB SERIAL PORT” right click properties then connection setting advanced and set to “com41″

can't find connection setting advanced, im running win8 64bit

And why you need to complicate?
Try this:
http://forum.xda-developers.com/show...27&postcount=7

I don't know if it works in Win8 but, you can try it...
7th March 2013, 11:08 AM |#18  
Junior Member
Thanks Meter: 0
 
More
that doesn't work either, since it wont do anything after i try to check what ports are working, all are just grayed out
7th March 2013, 11:12 AM |#19  
RuedasLocas's Avatar
Senior Member
Flag Gdansk, Poland
Thanks Meter: 512
 
More
Quote:
Originally Posted by Norse_Viking

that doesn't work either, since it wont do anything after i try to check what ports are working, all are just grayed out

You install the drivers?
Phone was connected in S/W mode?

Be sure that you follow every step on the tutorial, sometimes with the rush we jump some...

God luck
7th March 2013, 11:17 AM |#20  
Junior Member
Thanks Meter: 0
 
More
silly me... had to run lgflashtool as admin

did not work either, only got 1 port active, and it failed to download the file to my phone
7th March 2013, 12:09 PM |#21  
Senior Member
Thanks Meter: 16
 
More
anyone can restore using LG BACKUP TOOLS ??
in aplication say "The backup file cannot be read"
Post Reply Subscribe to Thread

Guest Quick Reply (no urls or BBcode)
Message:
Previous Thread Next Thread
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes