J810GDDS5CUD1 – Galaxy J8 firmware
Build J810GDDS5CUD1 is a security update for the Galaxy J8 (SM-J810G)
on Android 10. It first appeared on Samsung's servers on May 23, 2021 (method) and has reached
4 regions 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 J810GDDU4CUC1 is blocked. Samsung still serves this file.
- Model
- SM-J810G
- Android
- Android 10
- Type
- Security
- Bootloader bit
- 5
- First released
- May 23, 2021
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received J810GDDS5CUD1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | May 23, 2021 | day 0 | J810GDDS5CUD1/J810GODM5CUD1/J810GDDS5CUD2 |
BKD | Bangladesh | May 24, 2021 | +1 day | J810GDDS5CUD1/J810GODM5CUD1/J810GDDS5CUD2 |
BNG | Belgium | May 24, 2021 | +1 day | J810GDDS5CUD1/J810GODM5CUD1/J810GDDS5CUD2 |
SLK | Sri Lanka | May 24, 2021 | +1 day | J810GDDS5CUD1/J810GODM5CUD1/J810GDDS5CUD2 |
Download and release notes
samloader download -m SM-J810G -r INS -v J810GDDS5CUD1/J810GODM5CUD1/J810GDDS5CUD2
Samsung's release notes and security patch level for this update: SM-J810G / INS on doc.samsungmobile.com. What each part of the build number means: decode J810GDDS5CUD1.