J727UUES9BTK1 – Galaxy J7 firmware
Build J727UUES9BTK1 is a security update for the Galaxy J7 (SM-J727U)
on Android 8. It first appeared on Samsung's servers on Dec 17, 2020 (method) and has reached
2 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to J727UUES8BTF3 is blocked. Samsung still serves this file.
- Model
- SM-J727U
- Android
- Android 8
- Type
- Security
- Bootloader bit
- 9
- First released
- Dec 17, 2020
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received J727UUES9BTK1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XAA | USA (unlocked) | Dec 17, 2020 | day 0 | J727UUES9BTK1/J727UOYM9BTK1/J727UUES9BTK1 |
XAR | USA (Cellular South) | Dec 17, 2020 | day 0 | J727UUES9BTK1/J727UOYM9BTK1/J727UUES9BTK1 |
Download and release notes
samloader download -m SM-J727U -r XAA -v J727UUES9BTK1/J727UOYM9BTK1/J727UUES9BTK1Samsung's release notes and security patch level for this update: SM-J727U / XAA on doc.samsungmobile.com. What each part of the build number means: decode J727UUES9BTK1.