'  firmware update

LGK121 Stock official firmware (Rom) List

Name Model OS Region Size Download
LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop RGS 1.16GB Download (31959)
LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop TLS 1.16GB Download (18022)
LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop BLM 1.19GB Download (13789)
LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop AVC 1.14GB Download (16255)
LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop BWA 1.19GB Download (9548)
LG K4 LTE LGK121 (K12110F_00) Android 5.0.x Lollipop EST 1.13GB Download (4081)