How to Update Korean LG Optimus Black KU5900 with Official V20L Firmware

Optimus Black LogoNote: This update is specially designed for all the users who are from KOREA.

In a bid to guide you to a level wherein you as a consumer can make the most out of your Android, we at Android advices continuously ensure that all your Android needs are met with the help of articles which will allow you to customize your android devices. So, on the lines of this initiative, recently one of our esteemed readers have asked for firmware version of 20L for his LG Optimus Black KU5900 and we are here today with the same. In the due course of this article we will check out on how you can apply the Official Firmware of 20L.

Disclaimer: At Android Advices, we have made sure in all respects that all the information regarding the firmware update is mentioned correctly in this article. We hold no responsibility in any manner just in case if any damage happens to your LG Optimus Black KU5900 which is a very unlikely event if you follow the instructions carefully.

So, in the due course of this article we will check out on how you can easily apply this update of 10G for your LG Optimus Black KU5900. Please note that this update should ONLY be applied to the phone which has the model number LG Optimus Black KU5900 and not to any similar looking phones or the network locked handsets or else it can brick the phone.

Before proceeding you first need to first go through the Pre Requisites which are mentioned in the below link and then you need to proceed to the instructions to apply the update of V20L in your LG Optimus Black KU5900. All the users of V 10R as well as V10P can apply

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