Download the Samsung firmware for the Galaxy J7 Duo SM-J720F with product
code XFA from South Africa. This firmware
version number PDA J720FDDS4BSI1 and CSC
The operating system of this firmware
is Android 9 , with build date Tue, 17 Sep 2019 10:16:58 +0000.
Security patch date is 2019-09-01, with