LG Optimus LTE (alternatively LG Optimus True HD LTE), released in December 2011
LG Optimus LTE 2 was announced in May 2012, to feature 2 GB of RAM
LG Optimus Vu, announced in February and released in March 2012
LG Optimus G, LG's 2012 flagship phone, released in November 2012
LG Optimus G Pro, a larger variation on the Optimus G, featuring a 1080p display; released in March 2013 in Japan and South Korea and May 2013 in the United States
The LG Optimus One, released in October 2010, is LG's second phone in the Optimus series. Due to network differences between carriers, LG created a sub-series with carrier-specific variants based on the Optimus One. Over two million of the Optimus One and its carrier variants combined have been sold. [citation needed]Additionally, some hardware variants add minor new features:
LG Optimus F is an Android sub-series announced on February 21, 2013. It uses the same naming conventions as its predecessor, the Optimus L lineup.[1] It includes the following:
The Optimus G sub-series was introduced for LG's high-end devices in 2012. In 2013, after releasing two devices carrying the Optimus G branding, future products (such as the LG G2) dropped the Optimus brand entirely as part of a new separate G line.[2][3]
LG only released two LG Optimus phones with the Windows Phone operating system, compared to 20 unique Android smartphones. The first of these was the LG Optimus 7, released in November 2010. It was followed by the LG Quantum, alternatively Optimus 7QorOptimus Quantum, a variant with a physical keyboard.[citation needed]
