Have you found a solution for the problem? I also have the same problem and found no solution. Has been updated to 1.5.05 and had previously 1.4.49, which I liked. Maybe I should not change things that work, but I always want the latest.
Here is a solution:
Anyone facing the problem "loader mismatch" after upgrading to Dekoltes 1.0.7 loader can try this one. I have solved the problem loading this via USB.
LAVATRONICS-282E-ALLSD-FTAHD-011014-COMBO-with-1-0-7-Bootloader