Download the Samsung firmware for the Galaxy J7 Duo SM-J720M with product
code ZTO from Brazil. This firmware
version number PDA J720MUBU3ARK1 and CSC
The operating system of this firmware
is Android 8.0.0 , with build date Fri, 09 Nov 2018 18:13:09 +0000.
Security patch date is 2018-11-01, with