Samsung Galaxy Jump3
The latest firmware for Samsung Galaxy Jump3 (SM-M446K) is M446KKSSAEZH1 with Android 16, released on August 20, 2026 for 1 region (CSC). Every official firmware build for SM-M446K, 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/M446KKSSAEZH1
SM-M446K started on Android 13 and has received 3 major Android upgrades; it now runs Android 16. The newest build, M446KKSSAEZH1, was released on August 20, 2026. Over the last 12 months SM-M446K received 6 builds, spread over 6 different months.

SM-M346B1

SM-M546B

SM-M556E

SM-M558B

SM-M356B
The newest firmware for SM-M446K runs Android 16: build M446KKSSAEZH1, released on August 20, 2026.
The latest build for SM-M446K, M446KKSSAEZH1, was released on August 20, 2026 (2 months ago).
Over the last 12 months SM-M446K received 6 builds, with at least one new build in 6 different months.
Yes, all firmware files for SM-M446K are 100% official, original, and obtained directly from Samsung servers.
To flash SM-M446K, 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-M446K.