
Samsung Galaxy S3 Mini
The latest firmware for Samsung Galaxy S3 Mini (SM-G730V) is G730VVRUBNE2 with Android 4.4.2 (KitKat), released on May 28, 2014 for 1 region (CSC). Every official firmware build for SM-G730V, newest first: one row per build with all regions (CSC) that received it.
All 3 builds in our database run Android 4.4.2 (KitKat). The newest build, G730VVRUBNE2, was released on May 28, 2014. No new build has appeared for 151 months, so regular updates for this model have most likely ended.

SM-G935TZK

SM-G930AZK

SM-G935AZS

SM-G935TZS

SM-G935AZK

SM-G935TZD

SM-G975WC

SM-G975FC
The newest firmware for SM-G730V runs Android 4.4.2 (KitKat): build G730VVRUBNE2, released on May 28, 2014.
The latest build for SM-G730V, G730VVRUBNE2, was released on May 28, 2014 (12 years ago).
SM-G730V has had no new firmware for 151 months, so regular updates have most likely ended.
Yes, all firmware files for SM-G730V are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G730V, 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-G730V.