Watch out this is for external flash (Miltiminiboot)
step 1. install: Sim2-Dream-Elite-4.1-dm800se-20161109-Jasper-20161113
https://mega.nz/#!t0JRXBwY!neJtaaU7w...HbeirjHAl7SWf8
Setp 2: install Miltiminiboot 1.4
https://linuxsat-support.com/showthr...-MultiMiniBoot
Setp 3:
openspa-7.0.003-dm800se-20170307-Houara.nfi
Download: