: Search their security documentation for factory reset protection protocols.

: For an excellent high-level breakdown of how Android FRP functions.

If you need legitimate developer and technical information regarding how this security feature works at a system level, please visit:

: This usually indicates an "English" language version of a program or tutorial.

: This is the promotional watermark or site tag belonging to the platform or person who uploaded/cracked the archive.

НАУЧНАЯ ЭЛЕКТРОННАЯ БИБЛИОТЕКА eLIBRARY.RU

: Look for papers on mobile device security, lock-screen bypasses, and physical extraction of mobile data.