
Samsung Galaxy J7 Pop
The latest firmware for Samsung Galaxy J7 Pop (SM-J727A) is J727AUCS8BTH1, released on September 2, 2020 for 1 region (CSC). Every official firmware build for SM-J727A, 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/J727AUCS8BTH1
The newest build, J727AUCS8BTH1, was released on September 2, 2020. No new build has appeared for 74 months, so regular updates for this model have most likely ended.
Specifications of SM-J727U, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-J327VPP

SM-J100VPP

SM-J260A

SM-J120P

SM-J737A

SM-J727VPP

SM-J327A

SM-J327V
The latest build for SM-J727A, J727AUCS8BTH1, was released on September 2, 2020 (6 years ago).
SM-J727A has had no new firmware for 74 months, so regular updates have most likely ended.
Yes, all firmware files for SM-J727A are 100% official, original, and obtained directly from Samsung servers.
To flash SM-J727A, 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-J727A.