SM-S921B firmware for SER – Russia

38 builds for the Galaxy S24 in region SER. The full version string is PDA/CSC/MODEM – you need it to download a specific build.

Version (PDA/CSC/MODEM)ReleasedAndroidTypeBitFile
S921BXXSIEZJ1/S921BOXMIEZJ1/S921BXXSIEZJ1Oct 25, 2026Android 17Security18on server
S921BXXUHEZIF/S921BOXMHEZIF/S921BXXUHEZIFOct 12, 2026Android 17Feature17on server
S921BXXSHDZI1/S921BOXMHDZI1/S921BXXSHDZI1Sep 29, 2026Android 16Security17on server
S921BXXSHDZH3/S921BOXMHDZH3/S921BXXSHDZH3Sep 3, 2026Android 16Security17on server
S921BXXSGDZG1/S921BOXMGDZG1/S921BXXSGDZG1Jul 19, 2026Android 16Security16on server
S921BXXSFDZF2/S921BOXMFDZF2/S921BXXSFDZF1Jun 22, 2026Android 16Security15on server
S921BXXSFDZE1/S921BOXMFDZE1/S921BXXSFDZE1Jun 1, 2026Android 16Security15on server
S921BXXUEDZDR/S921BOXMEDZDR/S921BXXUEDZDRMay 17, 2026Android 16Feature14on server
S921BXXSECZD1/S921BOXMECZD1/S921BXXSECZD1Apr 19, 2026Android 16Security14on server
S921BXXUDCZC2/S921BOXMDCZC2/S921BXXUDCZC2Mar 30, 2026Android 16Feature13on server
S921BXXSDCZB2/S921BOXMDCZB2/S921BXXSDCZB2Mar 3, 2026Android 16Security13on server
S921BXXSCCZA1/S921BOXMCCZA1/S921BXXSCCZA1Jan 26, 2026Android 16Security12on server
S921BXXSBCYK8/S921BOXMBCYK8/S921BXXSBCYK8Dec 16, 2025Android 16Security11on server
S921BXXSBCYK2/S921BOXMBCYK2/S921BXXSBCYK2Nov 24, 2025Android 16Security11on server
S921BXXSACYJ7/S921BOXMACYJ7/S921BXXSACYJ7Oct 28, 2025Android 16Security10on server
S921BXXU9CYI5/S921BOXM9CYI5/S921BXXU9CYI5Sep 26, 2025Android 16Feature9on server
S921BXXS9BYH2/S921BOXM9BYH2/S921BXXS9BYH2Aug 11, 2025Android 15Security9on server
S921BXXS8BYG2/S921BOXM8BYG2/S921BXXS8BYG2Jul 14, 2025Android 15Security8on server
S921BXXS7BYEC/S921BOXM7BYEC/S921BXXS7BYECJun 18, 2025Android 15Security7on server
S921BXXU6BYE7/S921BOXM6BYE7/S921BXXU6BYE7Jun 3, 2025Android 15Feature6on server
S921BXXS6BYE3/S921BOXM6BYE3/S921BXXS6BYE3May 26, 2025Android 15Security6on server
S921BXXU5BYD9/S921BOXM5BYD9/S921BXXU5BYD9Apr 22, 2025Android 15Feature5on server
S921BXXS5AYB7/S921BOXM5AYB7/S921BXXS5AYB7Mar 19, 2025Android 14Security5on server
S921BXXS5AYAA/S921BOXM5AYAA/S921BXXS5AYAAFeb 19, 2025Android 14Security5on server
S921BXXS5AYA1/S921BOXM5AYA1/S921BXXS5AYA1Jan 22, 2025Android 14Security5on server
S921BXXS5AXKA/S921BOXM5AXKA/S921BXXS5AXKADec 17, 2024Android 14Security5on server
S921BXXU5AXK4/S921BOXM5AXK4/S921BXXU5AXK4Nov 26, 2024Android 14Feature5on server
S921BXXS4AXI8/S921BOXM4AXI8/S921BXXS4AXI8Oct 14, 2024Android 14Security4on server
S921BXXS3AXHD/S921BOXM3AXHD/S921BXXS3AXHDSep 25, 2024Android 14Security3on server
S921BXXU3AXH7/S921BOXM3AXH7/S921BXXU3AXH7Sep 9, 2024Android 14Feature3on server
S921BXXS3AXGD/S921BOXM3AXGD/S921BXXS3AXGDAug 19, 2024Android 14Security3on server
S921BXXS3AXFC/S921BOXM3AXFC/S921BXXS3AXFCJul 17, 2024Android 14Security3on server
S921BXXS2AXED/S921BOXM2AXED/S921BXXS2AXEDJun 12, 2024Android 14Security2on server
S921BXXS2AXD5/S921BOXM2AXD5/S921BXXS2AXD5May 15, 2024Android 14Security2on server
S921BXXU1AXCA/S921BOXM1AXCA/S921BXXU1AXCAMar 25, 2024Android 14Feature1on server
S921BXXS1AXBN/S921BOXM1AXBN/S921BXXS1AXBNMar 11, 2024Android 14Security1on server
S921BXXU1AXBA/S921BOXM1AXBA/S921BXXU1AXBAFeb 25, 2024Android 14Feature1on server
S921BXXU1AWM9/S921BOXM1AWM9/S921BXXU1AWM9Jan 17, 2024Android 14Feature1on server

Download the latest SER build

samloader download -m SM-S921B -r SER -v S921BXXSIEZJ1/S921BOXMIEZJ1/S921BXXSIEZJ1

Changelog and security patch level

Samsung's official release notes for SM-S921B in SER, including the security patch level of each update: doc.samsungmobile.com/SM-S921B/SER.

See how to download Samsung firmware and how to flash it. Back to the SM-S921B overview.