Samsung Galaxy A53 5G (SM-A536N) Firmware Overview
What is the latest SM-A536N firmware?
A536NKSUIGZI2, released September 15, 2026 with Android 16. It is a feature update on bootloader binary 18. The archive holds 20 official builds across 4 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy A53 5G still getting updates?
Yes. The newest build is from September 2026, and 4 of 4 regions already have a build from that month; the rest usually follow within a few weeks.
Can I downgrade the SM-A536N firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 15 to 18:
- Binary 18 — since Aug 2026
- Binary 17 — since May 2026
- Binary 16 — since Apr 2026
- Binary 15 — since Mar 2026
A phone already on binary 18 rejects builds with a lower binary in Odin ("SW REV CHECK FAIL"), so it can go back to an earlier Android version only if that version has a binary 18 build. How to read a build number.
All SM-A536N firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
A536NKSUIGZI2
Feature update
|
18 | SKC | 16 |
2026-09-15 | Download |
|
A536NKSUIGZI2
Feature update
|
18 | KTC | 16 |
2026-09-15 | Download |
|
A536NKSUIGZI2
Feature update
|
18 | KOO | 16 |
2026-09-15 | Download |
|
A536NKSUIGZI2
Feature update
|
18 | LUC | 16 |
2026-09-15 | Download |
|
A536NKSSIGZH4
Security update
|
18 | SKC | 16 |
2026-08-21 | Download |
|
A536NKSSIGZH4
Security update
|
18 | LUC | 16 |
2026-08-21 | Download |
|
A536NKSSIGZH4
Security update
|
18 | KOO | 16 |
2026-08-21 | Download |
|
A536NKSSIGZH4
Security update
|
18 | KTC | 16 |
2026-08-21 | Download |
|
A536NKSSHGZE2
Security update
|
17 | LUC | 16 |
2026-05-07 | Download |
|
A536NKSSHGZE2
Security update
|
17 | KOO | 16 |
2026-05-07 | Download |
|
A536NKSSHGZE2
Security update
|
17 | KTC | 16 |
2026-05-07 | Download |
|
A536NKSSHGZE2
Security update
|
17 | SKC | 16 |
2026-05-07 | Download |
|
A536NKSSGGZD1
Security update
|
16 | LUC | 16 |
2026-04-15 | Download |
|
A536NKSSGGZD1
Security update
|
16 | KTC | 16 |
2026-04-15 | Download |
|
A536NKSSGGZD1
Security update
|
16 | KOO | 16 |
2026-04-15 | Download |
|
A536NKSSGGZD1
Security update
|
16 | SKC | 16 |
2026-04-15 | Download |
|
A536NKSSFGZC2
Security update
|
15 | SKC | 16 |
2026-03-26 | Download |
|
A536NKSSFGZC2
Security update
|
15 | KTC | 16 |
2026-03-26 | Download |
|
A536NKSSFGZC2
Security update
|
15 | KOO | 16 |
2026-03-26 | Download |
|
A536NKSSFGZC2
Security update
|
15 | LUC | 16 |
2026-03-26 | Download |
Latest SM-A536N Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| KOO | A536NKSUIGZI2 | 18 | 16 | 2026-09-15 |
| KTC | A536NKSUIGZI2 | 18 | 16 | 2026-09-15 |
| LUC | A536NKSUIGZI2 | 18 | 16 | 2026-09-15 |
| SKC | A536NKSUIGZI2 | 18 | 16 | 2026-09-15 |
How to Flash SM-A536N Firmware
Put the Samsung Galaxy A53 5G into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 18 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.