T550XXS1CTI7 – GALAXY Tab A firmware
Build T550XXS1CTI7 is a security update for the GALAXY Tab A (SM-T550)
on Android 7. It first appeared on Samsung's servers on Oct 11, 2020 (method) and has reached
2 regions so far. It keeps bootloader bit 1, so downgrading to the previous build T550ZCS1BRF1 is still possible. Samsung still serves this file.
- Model
- SM-T550
- Android
- Android 7
- Type
- Security
- Bootloader bit
- 1
- First released
- Oct 11, 2020
- Regions
- 2
Not yet released in 30 regions that are still on an older build: ATO, AUT, BGL, BTU, DBT, EUR, ILO, ITV, KSA, LUX, LYS, MID, MWD, NEE and 16 more.
Rollout timeline by region
The date each region code (CSC) first received T550XXS1CTI7, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XSA | Australia | Oct 11, 2020 | day 0 | T550XXS1CTI7/T550XSA1CTI7/T550XXS1CTI7 |
KOO | South Korea | Oct 11, 2020 | day 0 | T550XXS1CTI7/T550KOO1CTI7/T550XXS1CTI7 |
Download and release notes
samloader download -m SM-T550 -r XSA -v T550XXS1CTI7/T550XSA1CTI7/T550XXS1CTI7Samsung's release notes and security patch level for this update: SM-T550 / XSA on doc.samsungmobile.com. What each part of the build number means: decode T550XXS1CTI7.