: Typically uses a physical "Device Unlock Mode" accessed by long-pressing Volume Up on the download screen rather than a terminal command. postmarketOS Wiki Specialized Free Tools
Some U.S. carrier-locked phones (e.g., Verizon) may have permanently disabled bootloaders. unlock bootloader command free
⚠️ This also wipes data and may cause boot loops if you have custom software installed. Always flash stock firmware first. : Typically uses a physical "Device Unlock Mode"