We have some good news for you that LG has just released the official Android 4.1.2 Jelly Bean update for the LG Optimus G, though it’s only available for F180 in South Korea now. However this means the company will very soon to push out the update in other countries, all you should do is sit upon your backside and wait quietly.

Well, let’s start off. Following is the official Android 4.1.2 Jelly Bean kdz firmware that offered by LG company. Yes, it’s not the leaked one, it’s official!

Official LG Optimus G F180 S K L Android 4.1.2 Jelly Bean Firmware Download:

LG Optimus G F180 S V20D:

LG Optimus G F180 K V20B:

LG Optimus G F180 L V20H:

My dear friends, what are you waiting for, just download the firmware to flash your LG Optimus G to the latest Android 4.1.2 Jelly Bean!

If you like my post, we would very much appreciate it if you leave your thanks below. Have a nice day.

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Anonymous on 13 January, 2013 at 8:56 pm #

These roms are only working in Korean Optimus G. If you don’t have Korean Optimus G, you must not flash this KDZ.

Anonymous on 28 August, 2013 at 7:08 am #


mak on 23 September, 2013 at 8:39 am #

how to install rom in lg optimus g f180 korean

my phone has no rom formatted completely so file cannot be coppied to mass storage (phone cannot turned on)

plz help me

Abdullah on 19 October, 2013 at 8:59 am #

@mak, these are .kdz files. you can flash them from pc. go here for instructions:


cris on 3 November, 2013 at 9:00 am #

pc suit connot detect my phone, help

Anonymous on 1 May, 2014 at 10:38 am #


Waqas on 27 June, 2015 at 9:35 am #

after flash mobile show No Service….how i can solve this problem,,,,

alao on 14 September, 2015 at 11:00 pm #

hello guys. please i need u help. My LG f180k show « unfortunately the process com.android.systemui has stopped». how can flash it?????

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