Second Series LG Optimus L1 II, released in April 2013 LG Optimus L2 II, released in March 2014 LG Optimus L3 II, released in April 2013 LG Optimus L4 II, released in July 2013 LG Optimus L5 II, released in April 2013 LG Optimus L5 II Dual SIM LG Optimus L7 II, released in March 2013 LG Optimus L9 II, released in October 2013 Third Series LG Optimus L20 LG Optimus L30 Sporty LG Optimus L35 LG Optimus L40 LG Optimus L50 Sporty LG Optimus L60 LG Optimus L65 LG Optimus L70 LG Optimus L80 LG Optimus L90 And until fourth series, LG has started a new L product line. LG L Fino, released in September 2014 LG L Bello, released in September 2014 Optimus F 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. It includes the following: LG Optimus F3, released in June 2013 LG Optimus F3Q, released in February 2014 LG Optimus F5, released in May 2013 LG Optimus F6, model numbers D500 and MS500, released in September 2013 LG Optimus F7, released in June 2013 LG F60, released in 2014 LG F70, latest model in F series, released in 2014 Optimus G 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. LG Optimus G LG Optimus G Pro LG G Pro 2 LG G2 LG G Flex LG G Pad 8.3 LG G3 LG G Flex 2 LG G4 LG G5 LG G6 LG G7 ThinQ LG G8 ThinQ Optimus Vu The Optimus Vu sub-series was introduced for LG's stylus-enabled devices in 2012. LG Optimus Vu LG Optimus Vu II LG Optimus Vu III Windows Phone 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 7Q or Optimus Quantum, a variant with a physical keyboard. References LG Electronics mobile phones Android (operating system) devices