
Samsung Galaxy Tab S8 Ultra 5G X906NKOS9IYF4 is an Android 15 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 X906NKOU9IYDC https://samfirm.shop/build/X906NKOU9IYDC, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-X906N is available: X906NKOSBJZH3 https://samfirm.shop/build/X906NKOSBJZH3.
Bootloader binary 9. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.
| Model | Region | CSC Version | Release date | Size | File name | Download |
|---|---|---|---|---|---|---|
| SM-X906N |
KOO South Korea | X906NKOO9IYF4 | 2025-07-14 | 8.357 GiB | SM-X906N_4_20250701140530_tdljmjv1nk_fac.zip | Download |
No matching downloads
Specifications of SM-X906B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.