SM-X520 firmware for CAU – Caucasus

14 builds for the Galaxy Tab S10 FE in region CAU. The full version string is PDA/CSC/MODEM – you need it to download a specific build.

Version (PDA/CSC/MODEM)ReleasedAndroidTypeBitFile
X520XXSBCZI2/X520OXMBCZI2/X520XXSBCZI2Sep 27, 2026Android 16Security11on server
X520XXSACZH6/X520OXMACZH6/X520XXSACZH6Sep 7, 2026Android 16Security10on server
X520XXS9CZG3/X520OXM9CZG3/X520XXS9CZG3Jul 29, 2026Android 16Security9on server
X520XXS8CZF2/X520OXM8CZF2/X520XXS8CZF2Jun 30, 2026Android 16Security8on server
X520XXU7CZE3/X520OXM7CZE3/X520XXU7CZE3Jun 18, 2026Android 16Feature7on server
X520XXS7BZB7/X520OXM7BZB7/X520XXS7BZB7Mar 10, 2026Android 16Security7on server
X520XXS6BZA3/X520OXM6BZA3/X520XXS6BZA3Feb 3, 2026Android 16Security6on server
X520XXS5BYL2/X520OXM5BYL2/X520XXS5BYL2Dec 22, 2025Android 16Security5on server
X520XXU4BYJ2/X520OXM4BYJ2/X520XXU4BYJ2Nov 2, 2025Android 16Feature4on server
X520XXU4BYI7/X520OXM4BYI7/X520XXU4BYI7Oct 12, 2025Android 16Feature4on server
X520XXS4AYG5/X520OXM4AYG5/X520XXS4AYG5Sep 3, 2025Android 15Security4on server
X520XXU3AYE1/X520OXM3AYE1/X520XXU3AYE1Jun 1, 2025Android 15Feature3on server
X520XXS2AYD3/X520OXM2AYD3/X520XXS2AYD3Apr 23, 2025Android 15Security2on server
X520XXU1AYC5/X520OXM1AYC5/X520XXU1AYC5Apr 2, 2025Android 15Feature1on server

Download the latest CAU build

samloader download -m SM-X520 -r CAU -v X520XXSBCZI2/X520OXMBCZI2/X520XXSBCZI2

Changelog and security patch level

Samsung's official release notes for SM-X520 in CAU, including the security patch level of each update: doc.samsungmobile.com/SM-X520/CAU. We don't show the patch level ourselves (why).

See how to download Samsung firmware and how to flash it. Back to the SM-X520 overview. All models with CAU: Samsung CSC CAU.