J600NKOS5CTI1 – Galaxy J6 firmware
Build J600NKOS5CTI1 is a security update for the Galaxy J6 (SM-J600N)
on Android 10. It first appeared on Samsung's servers on Oct 5, 2020 (method) and has reached
1 region so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to J600NKOU4CTD5 is blocked. Samsung still serves this file.
- Model
- SM-J600N
- Android
- Android 10
- Type
- Security
- Bootloader bit
- 5
- First released
- Oct 5, 2020
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J600NKOS5CTI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Oct 5, 2020 | day 0 | J600NKOS5CTI1/J600NKOO5CTI1/J600NKOS5CTI1 |
Download and release notes
samloader download -m SM-J600N -r KOO -v J600NKOS5CTI1/J600NKOO5CTI1/J600NKOS5CTI1Samsung's release notes and security patch level for this update: SM-J600N / KOO on doc.samsungmobile.com. What each part of the build number means: decode J600NKOS5CTI1.