X620XXS9CZG3 – Galaxy Tab S10 FE+ firmware
Build X620XXS9CZG3 is a security update for the Galaxy Tab S10 FE+ (SM-X620)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 26, 2026 (method) and has reached
18 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to X620ZCS8CZF2 is blocked. Samsung still serves this file.
- Model
- SM-X620
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 9
- First released
- Jul 26, 2026
- Regions
- 18
Rollout timeline by region
The date each region code (CSC) first received X620XXS9CZG3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Jul 26, 2026 | day 0 | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
EUX | Europe (Multi-CSC) | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
EUY | Europe (Multi-CSC) | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
MXO | Mexico | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
ZTO | Brazil | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
INS | India | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
XAC | Canada | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
XAR | USA (Cellular South) | Jul 30, 2026 | +4 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
CAU | Caucasus | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
ILO | Israel | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OJM9CZG3/X620XXS9CZG3 |
SER | Russia | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
TUR | Turkey | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
XID | Indonesia | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OLM9CZG3/X620XXS9CZG3 |
XSG | United Arab Emirates | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OJM9CZG3/X620XXS9CZG3 |
XSP | Singapore | Aug 4, 2026 | +9 days | X620XXS9CZG3/X620OLM9CZG3/X620XXS9CZG3 |
XJP | Japan | Aug 6, 2026 | +11 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
TGY | Hong Kong | Aug 12, 2026 | +17 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
BRI | Taiwan | Aug 12, 2026 | +17 days | X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3 |
Download and release notes
samloader download -m SM-X620 -r EUX -v X620XXS9CZG3/X620OXM9CZG3/X620XXS9CZG3Samsung's release notes and security patch level for this update: SM-X620 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X620XXS9CZG3.