How to Unlock Bootloader on Samsung Galaxy S20 Ultra
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 S20 Ultra
OS: Android 10, upgradable to Android 13, One UI 5
Screen: 6.9 inches, 114.0 cm2
Resolution: 1440 x 3200 pixels, 20:9 ratio (~511 ppi density)
Battery: 5000 mAh
Storage: 128GB
Chipset: Exynos 990 (7 nm+)Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
No unlock instructions available for this device yet.