'  firmware update

LMX420EM Stock official firmware (Rom) List

Name Model OS Region Size Download
LG K40 Dual LMX420EM (X420EM20S_00) Android 9.x Pie VDH 2.45GB Download (9933)
LG K40 Dual LMX420EM (X420EM10D_00) Android 8.x Oreo VDH 2.06GB Download (11319)
LG K40 Dual LMX420EM (X420EM20S_00) Android 9.x Pie VDI 2.45GB Download (10934)
LG K40 Dual LMX420EM (X420EM10D_00) Android 8.x Oreo VDI 2.06GB Download (12166)
LG K40 Dual LMX420EM (X420EM20S_00) Android 9.x Pie VDI 2.45GB Download (10087)
LG K40 Dual LMX420EM (X420EM20S_00) Android 9.x Pie VDH 2.45GB Download (8932)
LG K40 Dual LMX420EM (X420EM20S_00) Android 9.x Pie VDS 2.45GB Download (7392)
LG K40 Dual LMX420EM (X420EM10D_00) Android 8.x Oreo VDS 2.06GB Download (7623)