Download the Samsung firmware for the Galaxy J7 Duo SM-J720M with product
code ZTO from Brazil. This firmware
version number PDA J720MUBS3ASB2 and CSC
The operating system of this firmware
is Android 8.0.0 , with build date Wed, 13 Feb 2019 17:39:49 +0000.
Security patch date is 2019-02-01, with