Bootloaders

Device and documentation Freedom situation
Samsung Nexus S (i902x) Proprietary, Signed on the tested devices
Samsung Galaxy S2 (i9100) Proprietary, probably Signed
LG Optimus black (p970) unsigned, can be replaced with upstream u-boot
Galaxy SIII (I9300)
Galaxy SIII 4G (I9305)
Galaxy Note II (N7100)
Galaxy Note II 4G (N7105)
* Proprietary, Signed
* There is work in progress to understand if we can avoid the signature
Golden Delicous GTA04 unsigned, free software

Other attempts that involves bypassing the bootrom

See also