This topic is a list of flip phones that can be modified in one way or another (that being a prerequisite to them being locked down or kosher), along with links to guides on how to do so. This list is not exhaustive, so feel free to help fill it out.
- US Cellular ANS F30: https://github.com/9cb14c1ec0/adb_on_ans_f30
- AGM M7
- Kazuna eTalk
- Schock Classic Flip