Galaxy S24

Download Samsung Firmware SM-S921N

Samsung Galaxy S24

The latest firmware for Samsung Galaxy S24 (SM-S921N) is S921NKSSIEZJ1 with Android 17, released on October 12, 2026 for 4 regions (CSC). Every official firmware build for SM-S921N, newest first: one row per build with all regions (CSC) that received it.

Latest build
S921NKSSIEZJ1 Android 17 · 16 days ago
Builds
36 builds
Regions (CSC)
4 regions

Firmware builds for SM-S921N

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/S921NKSSIEZJ1

SM-S921N update history

SM-S921N started on Android 14 and has received 3 major Android upgrades; it now runs Android 17. The upgrade to Android 17 started rolling out on September 20, 2026. The newest build, S921NKSSIEZJ1, was released on October 12, 2026. Over the last 12 months SM-S921N received 13 builds, with a new build in 12 of those months, in line with Samsung's monthly security updates. Samsung guarantees security updates for this model until January 29, 2031.

Device specifications

Launched with
Android 14
Display diagonal
15.8 cm (6.2")
Display resolution
2340 x 1080 pixels
RAM
8 GB
RAM type
LPDDR5X
Rear camera resolution
50 MP
Rear camera type
Triple camera
Battery capacity
4000 mAh
Weight
167 g

Specifications of SM-S921B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-S921N?

The newest firmware for SM-S921N runs Android 17: build S921NKSSIEZJ1, released on October 12, 2026.

When did SM-S921N get its last update?

The latest build for SM-S921N, S921NKSSIEZJ1, was released on October 12, 2026 (17 days ago).

How often does SM-S921N get updates?

Over the last 12 months SM-S921N received 13 builds, with at least one new build in 12 different months.

Is the firmware for SM-S921N official?

Yes, all firmware files for SM-S921N are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S921N using Odin?

To flash SM-S921N, 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.

Can I downgrade the Android version on SM-S921N?

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-S921N.