Working dtb.img for MECOOL BB2 (not pro) . Where?

Hi guy, i have one MECOOL BB2 (not PRO so s912/2gb DDR) that uses LE on SD through update.zip . I have try the standard dtb file for S912 IN THIS POST and precisely THIS DTB FILE but not work. The file on MEGA hosting ON THIS POST is no longer available. I have this device so i need the correct dtb if is possible. Thank you.

Thank's