Firmware infos :

build date : Fri Oct  9 14:51:09 +07 2020
build id : QKQ1.200311.002
build display id : V420A_OPN_U_B11_201009
platform : msm8953
product brand : vsmart
product device : V420A
product manufacturer : vsmart
product model : Joy 2+ 
os version : 10
build date : Sat Jan 11 18:10:32 +07 2020
build id : PKQ1.190601.001
build display id : PKQ1.190601.001.V420A_OPEN_U_M4_20200111
platform : msm8953
product brand : vsmart
product device : V420A
product manufacturer : vsmart
product model : Joy 2+ 
os version : 9

Download :

V420A_OPN_U_B11_201009.zip

1.70GB DownloadsProPro Global

ALL_V420A_OPEN_U_M4_20200111_user_178.zip

1.73GB DownloadsProPro Global

ALL_V420A_OPEN_U_M1_20190906_userdebug.zip

1.50GB DownloadsProPro Global