
Samsung Galaxy Xcover3
The latest firmware for Samsung Galaxy Xcover3 (SM-G388F) is G388FXXU1BSD5 with Android 5.1.1 (KitKat), released on May 9, 2019 for 1 region (CSC). Every official firmware build for SM-G388F, 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/G388FXXU1BSD5
SM-G388F started on Android 4 and has received 1 major Android upgrade; it now runs Android 5.1.1 (KitKat). The newest build, G388FXXU1BSD5, was released on May 9, 2019. No new build has appeared for 91 months, so regular updates for this model have most likely ended.
· The stability of Mobile networks has been improved.
· The security of your device has been improved.
Box codes of SM-G388F for different colors and markets. Firmware is chosen by the model code SM-G388F and your region (CSC), not by the SKU.

SM-G3819

SM-G386W

SM-G3858

SM-G389F

SM-G390W
The newest firmware for SM-G388F runs Android 5.1.1 (KitKat): build G388FXXU1BSD5, released on May 9, 2019.
The latest build for SM-G388F, G388FXXU1BSD5, was released on May 9, 2019 (7 years ago).
SM-G388F has had no new firmware for 91 months, so regular updates have most likely ended.
Yes, all firmware files for SM-G388F are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G388F, 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-G388F.