
Samsung Galaxy Pocket2
Every official firmware build for SM-G110H, 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/G110HXXU0AQK1
Box codes of SM-G110H for different colors and markets. Firmware is chosen by the model code SM-G110H and your region (CSC), not by the SKU.

SM-G110M

SM-G316MY

SM-G313MY

SM-G318MZ

SM-G310HN
You can find the firmware on the model: SM-G110H page.
Yes, all firmware files for SM-G110H are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G110H, 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-G110H.