Realme C21

• Brand: Realme
• Model: Realme C21
• Released: 2021
• Android version: —
• Kernel: —
• SoC: MediaTek Helio G35
• Bootloader: Deep Testing server DOWN (2026) — MTK models unlock via mtkclient (BROM seccfg unlock)
• Root status: Magisk after mtkclient unlock

Root methods (what works)

Magisk after mtkclient unlock (BROM seccfg unlock).## Gotchas —

Sources

XDA guides + community repos (mtkclient / Qualcomm Toolbox / SPD tool).

Submitted by

Unbolt Inc. — refreshed 2026-10-27 (Deep Testing server shutdown)

• Last verified: 2026-10-27