Not sure how to phase this legally, but please also add a provision against manufacturers making the "custom firmware" logo hideously ugly on purpose to discourage rooting - like e.g.Microsoft did for Surface tablets.
> 3. Users should have the ability to opt themselves into cryptographic protection, either on the original or modified firmware, for anti-theft reasons.
Full agreement here. I very much would like to keep the bootloader locked - just to my own keys, not the OEMs.