G611KKKU3CUD2 – Galaxy On7 Refresh firmware
Build G611KKKU3CUD2 is a feature update for the Galaxy On7 Refresh (SM-G611K)
on Android 9. It first appeared on Samsung's servers on May 24, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 2 to 3: once installed, the device no longer accepts firmware with bit 2 or lower, so a downgrade to G611KKKS2CTJ1 is blocked. Samsung still serves this file.
- Model
- SM-G611K
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 3
- First released
- May 24, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received G611KKKU3CUD2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KTC | South Korea (KT) | May 24, 2021 | day 0 | G611KKKU3CUD2/G611KKTC3CUD2/G611KKKU3CUD2 |
Download and release notes
samloader download -m SM-G611K -r KTC -v G611KKKU3CUD2/G611KKTC3CUD2/G611KKKU3CUD2Samsung's release notes and security patch level for this update: SM-G611K / KTC on doc.samsungmobile.com. What each part of the build number means: decode G611KKKU3CUD2.