T311UBUBOI1 – GALAXY Tab3 firmware
Build T311UBUBOI1 is a – update for the GALAXY Tab3 (SM-T311)
on Android 4. It first appeared on Samsung's servers on Nov 15, 2015 (method) and has reached
3 regions so far. It raises the bootloader bit from 28 to 30: once installed, the device no longer accepts firmware with bit 28 or lower, so a downgrade to T311UBSBOI2 is blocked. Samsung still serves this file.
- Model
- SM-T311
- Android
- Android 4
- Type
- –
- Bootloader bit
- 30
- First released
- Nov 15, 2015
- Regions
- 3
Rollout timeline by region
The date each region code (CSC) first received T311UBUBOI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
COO | Colombia | Nov 15, 2015 | day 0 | T311UBUBOI1/T311UUBBNH1/T311UBUBNH1 |
TPA | Panama | Nov 15, 2015 | day 0 | T311UBUBOI1/T311UUBBNH1/T311UBUBNH1 |
UPO | Uruguay | Nov 15, 2015 | day 0 | T311UBUBOI1/T311UUBBNH1/T311UBUBNH1 |
Download and release notes
samloader download -m SM-T311 -r COO -v T311UBUBOI1/T311UUBBNH1/T311UBUBNH1Samsung's release notes and security patch level for this update: SM-T311 / COO on doc.samsungmobile.com. What each part of the build number means: decode T311UBUBOI1.