
Samsung Galaxy J3 V
The latest firmware for Samsung Galaxy J3 V (SM-J337V) is J337VVRUBBUL1 with Android 9 (Pie), released on February 16, 2022 for 1 region (CSC). Every official firmware build for SM-J337V, 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/J337VVRUBBUL1
SM-J337V started on Android 8 and has received 1 major Android upgrade; it now runs Android 9 (Pie). The newest build, J337VVRUBBUL1, was released on February 16, 2022. No new build has appeared for 57 months, so regular updates for this model have most likely ended.

SM-J337A

SM-J330N

SM-J327VPP

SM-J320VPP

SM-J326AZ
The newest firmware for SM-J337V runs Android 9 (Pie): build J337VVRUBBUL1, released on February 16, 2022.
The latest build for SM-J337V, J337VVRUBBUL1, was released on February 16, 2022 (4 years ago).
SM-J337V has had no new firmware for 57 months, so regular updates have most likely ended.
Yes, all firmware files for SM-J337V are 100% official, original, and obtained directly from Samsung servers.
To flash SM-J337V, 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-J337V.