
Samsung Galaxy Grand Prime
The latest firmware for Samsung Galaxy Grand Prime (SM-G531F) is G531FXXU1AQK2 with Android 5.1.1 (Lollipop), released on March 22, 2019 for 1 region (CSC). Every official firmware build for SM-G531F, 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/G531FXXU1AQK2
All 38 builds in our database run Android 5.1.1 (Lollipop). The newest build, G531FXXU1AQK2, was released on March 22, 2019. No new build has appeared for 92 months, so regular updates for this model have most likely ended.
· The stability of Mobile networks has been improved.
· The security of your device has been improved.
Box codes of SM-G531F for different colors and markets. Firmware is chosen by the model code SM-G531F and your region (CSC), not by the SKU.

SM-G531Y

SM-G530A

SM-G532MT

SM-G525N

SM-G6200
The newest firmware for SM-G531F runs Android 5.1.1 (Lollipop): build G531FXXU1AQK2, released on March 22, 2019.
The latest build for SM-G531F, G531FXXU1AQK2, was released on March 22, 2019 (7 years ago).
SM-G531F has had no new firmware for 92 months, so regular updates have most likely ended.
Yes, all firmware files for SM-G531F are 100% official, original, and obtained directly from Samsung servers.
To flash SM-G531F, 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-G531F.