G611MUBSACUD1 – Galaxy On7 Refresh firmware
Build G611MUBSACUD1 is a security update for the Galaxy On7 Refresh (SM-G611M)
on Android 9. It first appeared on Samsung's servers on May 1, 2021 (method) and has reached
4 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to G611MUBS9CUB1 is blocked. Samsung still serves this file.
- Model
- SM-G611M
- Android
- Android 9
- Type
- Security
- Bootloader bit
- 10
- First released
- May 1, 2021
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received G611MUBSACUD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BVO | Bolivia | May 1, 2021 | day 0 | G611MUBSACUD1/G611MUUBACUD1/G611MUBSACUD1 |
TPA | Panama | May 1, 2021 | day 0 | G611MUBSACUD1/G611MUUBACUD1/G611MUBSACUD1 |
CHO | Chile | May 4, 2021 | +3 days | G611MUBSACUD1/G611MUUBACUD1/G611MUBSACUD1 |
CGU | Guatemala (Claro) | Jun 1, 2021 | +31 days | G611MUBSACUD1/G611MUWMACUD1/G611MUBSACUD1 |
Download and release notes
samloader download -m SM-G611M -r BVO -v G611MUBSACUD1/G611MUUBACUD1/G611MUBSACUD1Samsung's release notes and security patch level for this update: SM-G611M / BVO on doc.samsungmobile.com. What each part of the build number means: decode G611MUBSACUD1.