
Samsung Galaxy Core2
The latest firmware for Samsung Galaxy Core2 (SM-G3558) is G3558ZMS1AQB1 with Android 4.4.2 (KitKat), released on February 24, 2017 for 1 region (CSC). Every official firmware build for SM-G3558, 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/G3558ZMS1AQB1
All 3 builds in our database run Android 4.4.2 (KitKat). The newest build, G3558ZMS1AQB1, was released on February 24, 2017. No new build has appeared for 117 months, so regular updates for this model have most likely ended.
Specifications of SM-G355, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

SM-G355M

SM-G3509

SM-G3589W

SM-G357M

SM-G3568V
The newest firmware for SM-G3558 runs Android 4.4.2 (KitKat): build G3558ZMS1AQB1, released on February 24, 2017.
The latest build for SM-G3558, G3558ZMS1AQB1, was released on February 24, 2017 (9 years ago).
SM-G3558 has had no new firmware for 117 months, so regular updates have most likely ended.
Yes, all firmware files for SM-G3558 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G3558, 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-G3558.