How to Unlock Bootloader on Samsung Galaxy S21
Warnings — Read Before You Begin
- Data wipe: Unlocking the bootloader will factory reset your device and erase all personal data. Back up everything first.
- Warranty void: Unlocking may permanently void your manufacturer warranty.
- Brick risk: Incorrect procedures or interruptions during the process can render your device unusable.
- Security: An unlocked bootloader weakens the device's verified boot chain, making it more vulnerable to tampering.
- OTA updates: Some devices will no longer receive official over-the-air updates after unlocking.
Disclaimer: This guide is provided for informational purposes only.
WhatMyDevice is not responsible for any damage, data loss, or voided warranties resulting from following these instructions.
Proceed entirely at your own risk. Always verify instructions against your device's official documentation.
Samsung Galaxy S21
OS: Android 11, up to 4 major Android upgrades, One UI 6.1
Screen: 6.2 inches, 94.1 cm2
Resolution: 1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
Battery: 4000 mAh
Storage: 128GB
Chipset: Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm)
No unlock instructions available for this device yet.