N981USQSAHXJ1 – Galaxy Note20 5G firmware
Build N981USQSAHXJ1 is a security update for the Galaxy Note20 5G (SM-N981U)
on Android 13 (One UI 5). It first appeared on Samsung's servers on Oct 22, 2024 (method) and has reached
6 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to N981USQS9HXH1 is blocked. Samsung still serves this file.
- Model
- SM-N981U
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 10
- First released
- Oct 22, 2024
- Regions
- 6
Rollout timeline by region
The date each region code (CSC) first received N981USQSAHXJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Oct 22, 2024 | day 0 | N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1 |
CCT | USA (Comcast) | Oct 23, 2024 | +1 day | N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1 |
SPR | USA (Sprint) | Oct 23, 2024 | +1 day | N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1 |
TMB | USA (T-Mobile) | Oct 23, 2024 | +1 day | N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1 |
VZW | USA (Verizon) | Oct 27, 2024 | +5 days | N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1 |
USC | USA (US Cellular) | Oct 28, 2024 | +6 days | N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1 |
Download and release notes
samloader download -m SM-N981U -r ATT -v N981USQSAHXJ1/N981UOYNAHXJ1/N981USQSAHXJ1Samsung's release notes and security patch level for this update: SM-N981U / ATT on doc.samsungmobile.com. What each part of the build number means: decode N981USQSAHXJ1.