
Samsung Galaxy A3(2016)
The latest firmware for Samsung Galaxy A3(2016) (SM-A310M) is A310MUBS3CTI9 with Android 5.1.1 (Nougat), released on October 9, 2020 for 1 region (CSC). Every official firmware build for SM-A310M, 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/A310MUBS3CTI9
All 52 builds in our database run Android 5.1.1 (Nougat). The newest build, A310MUBS3CTI9, was released on October 9, 2020. No new build has appeared for 73 months, so regular updates for this model have most likely ended.
Specifications of SM-A310, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
· OS upgrade - Android 7.0 Nougat
· Provides new UX and various performance modes
· Improved usability of the Notification feature and Quick settings button
· Improved usability of the Multi window
· Efficient space for installation of downloaded apps, improved speed of system upgrade and app installation
※ If you are using Gear IconX, please make sure to update to the latest version before upgrading to the Nougat OS.
※ Some apps that haven't been optimised for Android Nougat might not work pro...

SM-A310X

SM-A315N

SM-A320X

SM-A300XU

SM-A326K
The newest firmware for SM-A310M runs Android 5.1.1 (Nougat): build A310MUBS3CTI9, released on October 9, 2020.
The latest build for SM-A310M, A310MUBS3CTI9, was released on October 9, 2020 (6 years ago).
SM-A310M has had no new firmware for 73 months, so regular updates have most likely ended.
Yes, all firmware files for SM-A310M are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A310M, 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-A310M.