Samsung Galaxy Tab S10 Lite (SM-X400) Firmware Overview
What is the latest SM-X400 firmware?
X400XXU8DZJ6, released October 23, 2026 with Android 17. It is a feature update on bootloader binary 8. The archive holds 20 official builds across 19 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy Tab S10 Lite still getting updates?
Yes. The newest build is from October 2026, and 1 of 19 regions already have a build from that month; the rest usually follow within a few weeks.
Which Android versions did it get?
The SM-X400 builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: X400XXU8DZJ6 (Oct 2026), 1 build in total
- Android 16: X400XXS8CZI2 (Sep 2026), 19 builds in total
Can I downgrade the SM-X400 firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 8:
- Binary 8 — since Sep 2026
All SM-X400 firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
X400XXU8DZJ6
Feature update
|
8 | KOO | 17 |
2026-10-23 | Download |
|
X400XXS8CZI2
Security update
|
8 | SOZ | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | XJP | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | TGY | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | CAC | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | XAR | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | EUX | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | EUY | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | ILO | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | XSG | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | XID | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | INS | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | NPL | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | KOO | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | ZBR | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | XSP | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | CAU | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | TUR | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | ZTO | 16 |
2026-09-11 | Download |
|
X400XXS8CZI2
Security update
|
8 | MXO | 16 |
2026-09-11 | Download |
Latest SM-X400 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 |
|---|---|---|---|---|
| CAC | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| CAU | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| EUX | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| EUY | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| ILO | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| INS | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| KOO | X400XXU8DZJ6 | 8 | 17 | 2026-10-23 |
| MXO | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| NPL | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| SOZ | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| TGY | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| TUR | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| XAR | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| XID | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| XJP | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| XSG | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| XSP | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| ZBR | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
| ZTO | X400XXS8CZI2 | 8 | 16 | 2026-09-11 |
How to Flash SM-X400 Firmware
Put the Samsung Galaxy Tab S10 Lite 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 8 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.