J727R4TYS2BSD1 – Galaxy J7 Pop firmware
Build J727R4TYS2BSD1 is a security update for the Galaxy J7 Pop (SM-J727R4)
on Android 8. It first appeared on Samsung's servers on May 3, 2019 (method) and has reached
1 region so far. It raises the bootloader bit from 1 to 2: once installed, the device no longer accepts firmware with bit 1 or lower, so a downgrade to J727R4TYS1BSA1 is blocked. Samsung still serves this file.
- Model
- SM-J727R4
- Android
- Android 8
- Type
- Security
- Bootloader bit
- 2
- First released
- May 3, 2019
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J727R4TYS2BSD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
USC | USA (US Cellular) | May 3, 2019 | day 0 | J727R4TYS2BSD1/J727R4USC2BSD1/J727R4TYS2BSD1 |
Download and release notes
samloader download -m SM-J727R4 -r USC -v J727R4TYS2BSD1/J727R4USC2BSD1/J727R4TYS2BSD1Samsung's release notes and security patch level for this update: SM-J727R4 / USC on doc.samsungmobile.com. What each part of the build number means: decode J727R4TYS2BSD1.