LG UX is an Android -based

mobile operating system A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing devices. While computers such as laptops are "mobile", the operating systems used on the ...

developed and maintained by

LG Electronics LG Electronics Inc. () is a South Korean Multinational corporation, multinational major appliance and consumer electronics corporation headquartered in Yeouido-dong, Seoul, South Korea. LG Electronics is a part of LG, LG Corporation, the fourth ...

independently of

Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...

exclusively for its

smartphones A smartphone is a mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as mult ...

. There are different versions for each LG phone, and each version has variants according to the regions in which the phone is sold, such as China, Japan, Pakistan, Russia, Indonesia, India, Taiwan and Turkey. The original name of LG UX is

Optimus UI Optimus UI is a front-end touch interface developed by LG Electronics with partners, featuring a full touch user interface. It is sometimes incorrectly identified as an operating system. Optimus UI is used internally by LG for sophisticated feature ...

, and was given the current name with the launch of the

LG G4 The LG G4 is an Android smartphone developed by LG Electronics as part of the LG G series. Unveiled on 28 April 2015 and first released in South Korea on 29 April 2015 and widely released in June 2015, as the successor to 2014's G3. The G4 is p ...

and the release of LG UX 4.0, with older versions retroactively renamed LG UX.LG UNVEILS MORE HUMAN-CENTRIC LG UX 4.0
/ref>