J720FDDS7CTL1 – Galaxy J7 Duo firmware
Build J720FDDS7CTL1 is a security update for the Galaxy J7 Duo (SM-J720F)
on Android 10. It first appeared on Samsung's servers on Jan 18, 2021 (method) and has reached
3 regions so far. It keeps bootloader bit 7, so downgrading to the previous build J720FDDU7CTJ1 is still possible. Samsung still serves this file.
- Model
- SM-J720F
- Android
- Android 10
- Type
- Security
- Bootloader bit
- 7
- First released
- Jan 18, 2021
- Regions
- 3
Rollout timeline by region
The date each region code (CSC) first received J720FDDS7CTL1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BNG | Belgium | Jan 18, 2021 | day 0 | J720FDDS7CTL1/J720FODM7CTI3/J720FXXU7CTI4 |
INS | India | Jan 18, 2021 | day 0 | J720FDDS7CTL1/J720FODM7CTI3/J720FXXU7CTI4 |
SLK | Sri Lanka | Jan 18, 2021 | day 0 | J720FDDS7CTL1/J720FODM7CTI3/J720FXXU7CTI4 |
Download and release notes
samloader download -m SM-J720F -r INS -v J720FDDS7CTL1/J720FODM7CTI3/J720FXXU7CTI4Samsung's release notes and security patch level for this update: SM-J720F / INS on doc.samsungmobile.com. What each part of the build number means: decode J720FDDS7CTL1.