
Samsung Galaxy A5(2017)
The latest firmware for Samsung Galaxy A5(2017) (SM-A520W) is A520WVLSECTJ1 with Android 8.0.0 (Oreo), released on November 25, 2020 for 14 regions (CSC). Every official firmware build for SM-A520W, 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/A520WVLSECTJ1
SM-A520W started on Android 6 and has received 2 major Android upgrades; it now runs Android 8.0.0 (Oreo). The newest build, A520WVLSECTJ1, was released on November 25, 2020. No new build has appeared for 72 months, so regular updates for this model have most likely ended.
Specifications of SM-A520F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
· The security of your device has been improved.

SM-A520X

SM-A526N

SM-A528N

SM-A525M

SM-A530X
The newest firmware for SM-A520W runs Android 8.0.0 (Oreo): build A520WVLSECTJ1, released on November 25, 2020.
The latest build for SM-A520W, A520WVLSECTJ1, was released on November 25, 2020 (5 years ago).
SM-A520W has had no new firmware for 72 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A520W are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A520W, 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-A520W.