T837JXS5CUC1 – Galaxy Tab S4 firmware
Build T837JXS5CUC1 is a security update for the Galaxy Tab S4 (SM-T837)
on Android 10. It first appeared on Samsung's servers on May 7, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to T837JXU4CTH2 is blocked. Samsung still serves this file.
- Model
- SM-T837
- Android
- Android 10
- Type
- Security
- Bootloader bit
- 5
- First released
- May 7, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received T837JXS5CUC1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TUR | Turkey | May 7, 2021 | day 0 | T837JXS5CUC1/T837TUR5CUC1/T837JXS5CUC1 |
Download and release notes
samloader download -m SM-T837 -r TUR -v T837JXS5CUC1/T837TUR5CUC1/T837JXS5CUC1Samsung's release notes and security patch level for this update: SM-T837 / TUR on doc.samsungmobile.com. What each part of the build number means: decode T837JXS5CUC1.