'  firmware update

LGK121 Stock official firmware (Rom) List

Name Model OS Region Size Download
LG K121(LGK121) LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop RGS 1.16GB Download (81)
LG K121(LGK121) LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop TLS 1.16GB Download (158)
LG K121(LGK121) LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop BLM 1.19GB Download (83)
LG K121(LGK121) LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop AVC 1.14GB Download (85)