Here is newly released OpenPli 4.0 for clone DM800 with SIM2 chip. There is really no big diffrence from 3.0 to 4.0 but it has some improvements.
dreamoem.com/showthread.php?11608-OpenPLi-4.0-beta-dm800-SSL-84d-by-gjstroom
dreamoem.com/showthread.php?11608-OpenPLi-4.0-beta-dm800-SSL-84d-by-gjstroom