
Samsung Galaxy S10 5G
The latest firmware for Samsung Galaxy S10 5G (SM-G977U) is G977UVRUBHXJ1 with Android 12, released on October 3, 2024 for 1 region (CSC). Every official firmware build for SM-G977U, 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/G977UVRUBHXJ1
SM-G977U started on Android 9 and has received 3 major Android upgrades; it now runs Android 12. The newest build, G977UVRUBHXJ1, was released on October 3, 2024. No new build has appeared for 25 months, so regular updates for this model have most likely ended.
Specifications of SM-G977B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-G977T

SM-G975WC

SM-G973C

SM-G970W

SM-G870F0
The newest firmware for SM-G977U runs Android 12: build G977UVRUBHXJ1, released on October 3, 2024.
The latest build for SM-G977U, G977UVRUBHXJ1, was released on October 3, 2024 (2 years ago).
SM-G977U has had no new firmware for 25 months, so regular updates have most likely ended.
Yes, all firmware files for SM-G977U are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G977U, 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-G977U.