
Samsung Galaxy A42 5G
The latest firmware for Samsung Galaxy A42 5G (SM-A426N) is A426NKSS7EXK1 with Android 13, released on November 28, 2024 for 4 regions (CSC). Every official firmware build for SM-A426N, 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/A426NKSS7EXK1
SM-A426N started on Android 11 and has received 2 major Android upgrades; it now runs Android 13. The newest build, A426NKSS7EXK1, was released on November 28, 2024. No new build has appeared for 23 months, so regular updates for this model have most likely ended.
Specifications of SM-A426B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

SM-A426U1

SM-A526N

SM-A520X

SM-A320X

SM-A528N
The newest firmware for SM-A426N runs Android 13: build A426NKSS7EXK1, released on November 28, 2024.
The latest build for SM-A426N, A426NKSS7EXK1, was released on November 28, 2024 (1 year ago).
SM-A426N has had no new firmware for 23 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A426N are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A426N, 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-A426N.