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[Q] Long journey of a F180L to E975 conversion

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mhxmhx
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Default [Q] Long journey of a F180L to E975 conversion

I bought an F180L ( F180L - Korea LGUplus - LTE (LGUplus Band) / GSM / WCDMA / CDMA) ( it was a mistake, I was told that is the same as E975 and took it for granted. Already regretting it.). My goal is to be able to flash the latest custom roms and have good data connectivity ( if I am only able to have 2G speeds, it's no good). These roms are mostly created for E975. After browsing a couple of topics:
http://forum.xda-developers.com/show....php?t=2334023
http://forum.xda-developers.com/show....php?t=2434917
http://forum.xda-developers.com/showpost.php?p=38438579
I understood that the F180L to E975 conversion is not an easy thing :|. Even impossible.

Because I am not so familiar with modding and I will struggle ( I have to google search most of the terms here; my experience only includes the unlocking and rooting of mere two android phones), I created this thread in order to make this trasition as safe as it gets.

I have already rooted the phone with fromaroot. SuperSU is installed.
I tried to take EFS backup ( http://forum.xda-developers.com/show....php?t=2164749). I assumed that I need to install a custom recovery ( CWM) or is there a stock recovery that can do the work? I pressed volume down+lock key and it only offered to return to stock condition.

I then tried to unlock the bootloader with FREEGEE. Well, that didn't go as planned either: i am seeing a white screen and in the notification bar it says installing, while it is already installed. Already istalled BusyBox ( I assumed it wanted me to, as when I pressed on the Freegee app icon, it sent me to busybox app in market).

Kind of outside my waters, would appreciate any hints
 
seschaum
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(Last edited by seschaum; 4th January 2014 at 12:45 PM.) Reason: stock ROM versions added
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Hi!

I had the same problem - got an F180L (name Optimus G is the same as on the real E975)...

My problem was/is that FreeGee bricked the phone totally! Only download mode still working... I was coming from rooted stock Korean ROM 4.1.2. (F180L20S or F180L20R)
With the download mode I flashed TeenyBin and pushed via ADB a custom rom (CM10.2 that time) and GApps,
voila - CM10.2 installed.
Do not use TWRP as it has a different model identifier and you would have to modify CM ROM everytime you flash them, stick to CWM 6.0.3.7!
Also - do not flash any different BASEBANDs - as it is korean, you cannot change the available frequencies with simply flashing a different!
In germany I could live quite good with the korean one - LTE was no option for me (which would never work in germany though with a F180L)
But 3G and 3.6G+ (HSPA) was working well! (2 different networks tested: Vodafone and O2)

Hope thats helps a bit


But my next step is: revert back to stock as described in this thread:
http://forum.xda-developers.com/show...9#post48327429
As I got my Nexus 5 and want to sell my good "old" F180L ;)
 
sunyakram
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here is a externallink
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seschaum
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Thanks sunyakram

Both methods tried - no success!
Not that I have a problem with a rooted phone and CM, but others might have...
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