That is true, but there has been some progress on the adoption of the FOSS model in the Android developer community. The most commonly used Android recovery sof

That is true, but there has been some progress on the adoption of the FOSS model in the Android developer community. The most commonly used Android recovery software, TWRP, is open source. https://github.com/TeamWin/Team-Win-Recovery-Project https://github.com/TeamWin/Team-Win-Recovery-Project The most popular Android rooting solution, Magisk, is also open source. All Magisk modules (plugins developed by the community) in the official repository are required to be open source. https://github.com/topjohnwu/Magisk https://github.com/topjohnwu/Magisk https://github.com/Magisk-Modules-Repo/submission https://github.com/Magisk-Modules-Repo/submission