N981USQSBHXL1 – Galaxy Note20 5G firmware

Build N981USQSBHXL1 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 Jan 20, 2025 (method) and has reached 6 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to N981USQSAHXJ1 is blocked. Samsung still serves this file.

Model
SM-N981U
Android
Android 13
Type
Security
Bootloader bit
11
First released
Jan 20, 2025
Regions
6

Rollout timeline by region

The date each region code (CSC) first received N981USQSBHXL1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ATTUSA (AT&T)Jan 20, 2025day 0N981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1
CCTUSA (Comcast)Jan 20, 2025day 0N981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1
SPRUSA (Sprint)Jan 20, 2025day 0N981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1
TMBUSA (T-Mobile)Jan 20, 2025day 0N981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1
VZWUSA (Verizon)Jan 22, 2025+2 daysN981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1
USCUSA (US Cellular)Jan 23, 2025+3 daysN981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1

Download and release notes

samloader download -m SM-N981U -r ATT -v N981USQSBHXL1/N981UOYNBHXL1/N981USQSBHXL1

Samsung'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 N981USQSBHXL1.