
Samsung Galaxy A7
The latest firmware for Samsung Galaxy A7 (SM-A700F) is A700FXXS2BRL8 with Android 5.0.2 (KitKat), released on December 19, 2018 for 6 regions (CSC). Every official firmware build for SM-A700F, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/A700FXXS2BRL8
SM-A700F started on Android 4 and has received 1 major Android upgrade; it now runs Android 5.0.2 (KitKat). The newest build, A700FXXS2BRL8, was released on December 19, 2018. No new build has appeared for 95 months, so regular updates for this model have most likely ended.
Box codes of SM-A700F for different colors and markets. Firmware is chosen by the model code SM-A700F and your region (CSC), not by the SKU.

SM-A700X

SM-A707F

SM-A705YN

SM-A800X

SM-A715X
The newest firmware for SM-A700F runs Android 5.0.2 (KitKat): build A700FXXS2BRL8, released on December 19, 2018.
The latest build for SM-A700F, A700FXXS2BRL8, was released on December 19, 2018 (7 years ago).
SM-A700F has had no new firmware for 95 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A700F are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A700F, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-A700F.