
Samsung Galaxy Core Advance
The latest firmware for Samsung Galaxy Core Advance (SHW-M570S) is M570SKSUAOH1 with Jelly(Android Bean), released on August 24, 2015 for 1 region (CSC). Every official firmware build for SHW-M570S, 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/M570SKSUAOH1
All 3 builds in our database run Android 4.2.2 (Jelly). The newest build, M570SKSUAOH1, was released on August 24, 2015. No new build has appeared for 136 months, so regular updates for this model have most likely ended.

SHW-M486W

SHW-M585D

SHW-M500W

SHW-M440S
The newest firmware for SHW-M570S runs Android 4.2.2 (Jelly): build M570SKSUAOH1, released on August 24, 2015.
The latest build for SHW-M570S, M570SKSUAOH1, was released on August 24, 2015 (11 years ago).
SHW-M570S has had no new firmware for 136 months, so regular updates have most likely ended.
Yes, all firmware files for SHW-M570S are 100% official, original, and obtained directly from Samsung servers.
To flash SHW-M570S, 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 SHW-M570S.