N986U1UESCHYD1 – Galaxy Note20 Ultra 5G firmware
Build N986U1UESCHYD1 is a security update for the Galaxy Note20 Ultra 5G (SM-N986U1)
on Android 13 (One UI 5). It first appeared on Samsung's servers on Apr 27, 2025 (method) and has reached
16 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to N986U1UESBHXL1 is blocked. Samsung still serves this file.
- Model
- SM-N986U1
- Android
- Android 13
- Type
- Security
- Bootloader bit
- 12
- First released
- Apr 27, 2025
- Regions
- 16
Rollout timeline by region
The date each region code (CSC) first received N986U1UESCHYD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BST | USA (Boost) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
CCT | USA (Comcast) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
DSH | USA | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
LRA | USA (Bluegrass) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
SPR | USA (Sprint) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
TFN | USA (TracFone) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
TMB | USA (T-Mobile) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
TMK | USA (MetroPCS) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
USC | USA (US Cellular) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
VZW | USA (Verizon) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
XAA | USA (unlocked) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
XAR | USA (Cellular South) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
XAS | USA (Sprint) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
ACG | USA (C Spire) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
AIO | USA (Cricket) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
ATT | USA (AT&T) | Apr 27, 2025 | day 0 | N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1 |
Download and release notes
samloader download -m SM-N986U1 -r XAA -v N986U1UESCHYD1/N986U1OYMCHYD1/N986U1UESCHYD1
Samsung's release notes and security patch level for this update: SM-N986U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode N986U1UESCHYD1.