J810MUBU3CUK1 – Galaxy J8 firmware
Build J810MUBU3CUK1 is a feature update for the Galaxy J8 (SM-J810M)
on Android 10. It first appeared on Samsung's servers on Jan 3, 2022 (method) and has reached
4 regions so far. It keeps bootloader bit 3, so downgrading to the previous build J810MUBU3CUH1 is still possible. Samsung still serves this file.
- Model
- SM-J810M
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 3
- First released
- Jan 3, 2022
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received J810MUBU3CUK1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHO | Chile | Jan 3, 2022 | day 0 | J810MUBU3CUK1/J810MOWO3CUK1/J810MUBU3CUL1 |
CHT | Chile (Movistar) | Jan 3, 2022 | day 0 | J810MUBU3CUK1/J810MOWT3CUH1/J810MUBU3CUL1 |
CHX | Chile | Feb 15, 2022 | +43 days | J810MUBU3CUK1/J810MOWE3CUK1/J810MUBU3CUL1 |
CHE | Chile (Entel) | Feb 15, 2022 | +43 days | J810MUBU3CUK1/J810MOWE3CUK1/J810MUBU3CUL1 |
Download and release notes
samloader download -m SM-J810M -r CHO -v J810MUBU3CUK1/J810MOWO3CUK1/J810MUBU3CUL1
Samsung's release notes and security patch level for this update: SM-J810M / CHO on doc.samsungmobile.com. What each part of the build number means: decode J810MUBU3CUK1.