> user-mode builds of LineageOS My ROM leads on that front https://divestos.org https://divestos.org Other ROMs that support locking are https://grapheneos.or

> user-mode builds of LineageOS My ROM leads on that front https://divestos.org https://divestos.org Other ROMs that support locking are https://grapheneos.org https://grapheneos.org and https://calyxos.org https://calyxos.org but have limited device compatibility in the name of security (primarily regarding firmware).