"Factory file" - Now it is a changed factory file. You have to use 27.02 loader and the b75 boot file - and 200 BIN. The install the latest b75 genuine BL file - BIN 282.
jose rodriguez. reload BL 297 bin, the last one for the old 6.2 boot with loader v27.01 that file fix the KR. After load b75 boot upgrade then last fix using loader v27.00. here is the jtagless pack..[link removed]