P355MUBS1CTL1 – GALAXY Tab A firmware
Build P355MUBS1CTL1 is a security update for the GALAXY Tab A (SM-P355M)
on Android 7. It first appeared on Samsung's servers on Jan 3, 2021 (method) and has reached
1 region so far. It keeps bootloader bit 1, so downgrading to the previous build P355MUBS1CTK6 is still possible. Samsung still serves this file.
- Model
- SM-P355M
- Android
- Android 7
- Type
- Security
- Bootloader bit
- 1
- First released
- Jan 3, 2021
- Regions
- 1
Not yet released in 10 regions that are still on an older build: CHO, COB, COO, MXO, PET, SAM, TPA, UPO, ZTM, ZTO.
Rollout timeline by region
The date each region code (CSC) first received P355MUBS1CTL1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ECO | Ecuador | Jan 3, 2021 | day 0 | P355MUBS1CTL1/P355MECO1CTJ4/P355MUBU1CRE1 |
Download and release notes
samloader download -m SM-P355M -r ECO -v P355MUBS1CTL1/P355MECO1CTJ4/P355MUBU1CRE1Samsung's release notes and security patch level for this update: SM-P355M / ECO on doc.samsungmobile.com. What each part of the build number means: decode P355MUBS1CTL1.