Download the Samsung firmware for the Galaxy J7 Duo SM-J720F with product
code XTC from Philippines (Open Line). This firmware
version number PDA J720FDDS4BSI2 and CSC
The operating system of this firmware
is Android 9 , with build date Thu, 19 Sep 2019 03:43:38 +0000.
Security patch date is 2019-09-01, with