Your box has the Sim2 2.10, you can see below the photos, so you cannot use the latest drivers/images built for Japhar until you swap your old unsupported sim (drivers from 2013) with the Japhar Sim (latest drivers from 2015).

Topic to recognize your Sim : http://www.ourdreambox.com/ubbthreads.php?ubb=showflat&Number=2679#Post2679

Japhar Sim available here on Japhar's eshop Team :
https://jam3.japhar.com/japhar/index.php/product/japhar-dm800se/

Concerning the password, if you don't have it and don't have the possibility thru the Feeds/Software Addon Manager (like JAM) to use a plugin tool to erase the password, you will have to completely reflash the box with one of the factory software/firmware/images available for your sim.

Procedure to reflash the box at the end of the tutorial, after the NO CA ERROR fixing : http://www.ourdreambox.com/ubbthreads.php?ubb=showflat&Number=15214#Post15214

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