This is a collection of writeups describing things useful for modifying or replacing the operating system on an Android device. Sources: https://i.blackhat.com/USA-20/Wednesday/us-20-Chao-Breaking-Samsungs-Root-Of-Trust-Exploiting-Samsung-Secure-Boot.pdf https://www.sstic.org/media/SSTIC2017/SSTIC-actes/attacking_samsung_secure_boot/SSTIC2017-Article-attacking_samsung_secure_boot-basse.pdf https://wikileaks.org/ciav7p1/cms/files/cadmium.pdf https://web.archive.org/web/20241204090656id_/theroot.ninja/disclosures/SAMDUNK_1.0-03262016.pdf https://www.sstic.org/media/SSTIC2024/SSTIC-actes/when_vendor1_meets_vendor2_the_story_of_a_small_bu/SSTIC2024-Article-when_vendor1_meets_vendor2_the_story_of_a_small_bug_chain-rossi-bellom_neveu.pdf