Samsung Galaxy M31 M315FXXU2ATIB Firmware
Samsung Galaxy M31 M315FXXU2ATIB is an Android 10 firmware for 25 countries, 27 CSC codes. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build M315FXXU2ATI4, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-M315F is available: M315FXXU4CXJ6.
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Android 10
OS Version
2020-09-22
First release
other regions until 2020-10-17
n/a
Security patch
25
Countries
27
CSC codes
2
Bootloader binary
Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Newer builds of Samsung Galaxy M31 use bootloader binary 4 (latest: M315FXXU4CXJ6). If your device already runs binary 4, this build cannot be flashed.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
10
No matching downloads
Device specifications
- Display diagonal16.3 cm (6.4")
- Display resolution2340 x 1080 pixels
- Display typeSAMOLED
- Processor frequency2.3 GHz
- RAM6 GB
- Rear camera resolution64 MP
- Rear camera typeQuad camera
- SIM cardsDual SIM
- Battery capacity6000 mAh
- Weight191 g
How to flash M315FXXU2ATIB
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- M315FXXU2ATIB has bootloader binary 2. Your device must run binary 2 or lower: it is the 5th character from the end of your current build number.
- CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
- HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
- The Download Mode key combo depends on the model: see all combos.
Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.
Frequently Asked Questions
M315FXXU2ATIB is Android 10 firmware for Samsung Galaxy M31, released for 25 countries, 27 CSC codes. Samsung built it on 2020-09-22.
No. A newer build for SM-M315F is available: M315FXXU4CXJ6. Install it instead of M315FXXU2ATIB unless you need this exact version. The previous build was M315FXXU2ATI4.
Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The Samsung Galaxy M31 must be on bootloader binary 2 or lower.
This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy M31 running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 26 other builds of this model use the same binary, so you can switch between them in both directions.