SM-M127N 1 country Android 12

Samsung Galaxy M12 M127NKOU3BVG3 Firmware

Name: Samsung Galaxy M12 (SM-M127N)
Brand: Samsung
Availability: InStock

Samsung Galaxy M12 M127NKOU3BVG3 is an Android 12 firmware for South Korea (KOO). 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 M127NKOS3AVF2 https://samfirm.shop/build/M127NKOS3AVF2: Android updated from Android 11 to Android 12. A newer build for SM-M127N is available: M127NKOS7DXK2 https://samfirm.shop/build/M127NKOS7DXK2.

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Android 12

OS Version

2022-08-01

Build Date

n/a

Security patch

Countries

CSC codes

Bootloader binary

Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy M12 use bootloader binary 7 (latest: M127NKOS7DXK2). If your device already runs binary 7, this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Will it work on my device?

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.

MODEM/CP Version: M127NKOU3BVG3

Model	Region	CSC Version	Release date	Size	File name	Download
SM-M127N	KOO South Korea	M127NKOO3BVG3	2022-08-01	3.377 GiB	SM-M127N_1_20220725080340_o61bh2y42d_fac.zip

Device specifications

Display diagonal16.5 cm (6.5")
Display resolution720 x 1600 pixels
Display typePLS
RAM4 GB
Rear camera resolution48 MP
Rear camera typeQuad camera
Battery capacity5000 mAh
Weight214 g

Specifications of SM-M127F/DSN, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

How to flash M127NKOU3BVG3

Install Samsung USB Drivers:Download Official Drivers
Download Odin Flash Tool:

M127NKOU3BVG3 has bootloader binary 3. Your device must run binary 3 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.

Full flashing guide

Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

Frequently Asked Questions

M127NKOU3BVG3 is Android 12 firmware for Samsung Galaxy M12, released for South Korea (KOO). Samsung built it on 2022-08-01.

No. A newer build for SM-M127N is available: M127NKOS7DXK2. Install it instead of M127NKOU3BVG3 unless you need this exact version. The previous build was M127NKOS3AVF2.

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 download is 3.377 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy M12 must be on bootloader binary 3 or lower.

This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy M12 running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 6 other builds of this model use the same binary, so you can switch between them in both directions.