Samsung Galaxy Wide7 (SM-M156S) Firmware Overview
What is the latest SM-M156S firmware?
M156SKSSADZI8, released October 9, 2026 with Android 16. It is a security update on bootloader binary 10. The archive holds 11 official builds across 1 region (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy Wide7 still getting updates?
Yes. The newest build is from October 2026.
Which Android versions did it get?
The SM-M156S builds in the archive run Android 15 to 16. The earliest build we have for each version:
- Android 16: M156SKSU5CYI6 (Sep 2025), 9 builds in total
- Android 15: M156SKSU4BYE3 (May 2025), 2 builds in total
Can I downgrade the SM-M156S firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 4 to 10:
- Binary 10 — since Sep 2026
- Binary 9 — since Jul 2026
- Binary 8 — since Apr 2026
- Binary 7 — since Feb 2026
- Binary 6 — since Jan 2026
- Binary 5 — since Aug 2025
- Binary 4 — since May 2025
A phone already on binary 10 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 10 build. How to read a build number.
All SM-M156S firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
M156SKSSADZI8
Security update
|
10 | SKC | 16 |
2026-10-09 | Download |
|
M156SKSS9DZG1
Security update
|
9 | SKC | 16 |
2026-07-07 | Download |
|
M156SKSS8DZF1
Security update
|
8 | SKC | 16 |
2026-06-23 | Download |
|
M156SKSU8DZE4
Feature update
|
8 | SKC | 16 |
2026-05-21 | Download |
|
M156SKSS8CZD1
Security update
|
8 | SKC | 16 |
2026-05-06 | Download |
|
M156SKSS7CZB2
Security update
|
7 | SKC | 16 |
2026-03-05 | Download |
|
M156SKSS6CZA1
Security update
|
6 | SKC | 16 |
2026-01-19 | Download |
|
M156SKSS5CYJ1
Security update
|
5 | SKC | 16 |
2025-10-23 | Download |
|
M156SKSU5CYI6
Feature update
|
5 | SKC | 16 |
2025-09-24 | Download |
|
M156SKSS5BYH1
Security update
|
5 | SKC | 15 |
2025-08-04 | Download |
|
M156SKSU4BYE3
Feature update
|
4 | SKC | 15 |
2025-05-21 | Download |
How to Flash SM-M156S Firmware
Put the Samsung Galaxy Wide7 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 10 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.