Samsung Galaxy S21 series

• Brand: Samsung
• Model: Samsung Galaxy S21 series
• Released: 2021
• Android version: —
• Kernel: —
• SoC: —
• Bootloader: varies — the OEM-unlock toggle was removed from recent One UI 8 builds
• Root status: Magisk / KernelSU after unlock

Root methods (what works)

Magisk / KernelSU after unlock. Locked models: no public route (research ongoing).

Unlock notes

OEM-unlock toggle where available, then Odin flash of a patched image.

Gotchas

Knox trips permanently. Bit-downgrade flashing is refused.

Sources

• Wikipedia "Mobile phones introduced in 2021" + Wikidata device registry.
• Auto-seeded stub — needs community verification.

Submitted by

Unbolt Inc. — auto-seeded stub, needs community verification