T355XXS1CTL3 – GALAXY Tab A firmware
Build T355XXS1CTL3 is a security update for the GALAXY Tab A (SM-T355)
on Android 7. It first appeared on Samsung's servers on Jan 3, 2021 (method) and has reached
8 regions so far. It keeps bootloader bit 1, so downgrading to the previous build T355XXS1CTL2 is still possible. Samsung still serves this file.
- Model
- SM-T355
- Android
- Android 7
- Type
- Security
- Bootloader bit
- 1
- First released
- Jan 3, 2021
- Regions
- 8
Not yet released in 3 regions that are still on an older build: ACR, CAU, PAK.
Rollout timeline by region
The date each region code (CSC) first received T355XXS1CTL3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SEK | Ukraine | Jan 3, 2021 | day 0 | T355XXS1CTL3/T355OXY1CTL3/T355XXU1CQI2 |
SER | Russia | Jan 3, 2021 | day 0 | T355XXS1CTL3/T355OXY1CTL3/T355XXU1CQI2 |
AFR | Africa | Jan 6, 2021 | +3 days | T355XXS1CTL3/T355OJV1CTK1/T355XXU1CQI2 |
DKR | Senegal | Jan 6, 2021 | +3 days | T355XXS1CTL3/T355OJV1CTK1/T355XXU1CQI2 |
KSA | Saudi Arabia | Jan 6, 2021 | +3 days | T355XXS1CTL3/T355OJV1CTK1/T355XXU1CQI2 |
MWD | Morocco | Jan 6, 2021 | +3 days | T355XXS1CTL3/T355OJV1CTK1/T355XXU1CQI2 |
THR | Iran | Jan 6, 2021 | +3 days | T355XXS1CTL3/T355OJV1CTK1/T355XXU1CQI2 |
XSG | United Arab Emirates | Jan 6, 2021 | +3 days | T355XXS1CTL3/T355OJV1CTK1/T355XXU1CQI2 |
Download and release notes
samloader download -m SM-T355 -r SEK -v T355XXS1CTL3/T355OXY1CTL3/T355XXU1CQI2Samsung's release notes and security patch level for this update: SM-T355 / SEK on doc.samsungmobile.com. What each part of the build number means: decode T355XXS1CTL3.