how to enable KTL MODE i can not enter this mode i tried

[dvdaio]

how to enable KTL MODE i can not enter this mode i tried
COMM manger - softreset
and
Comm manger - ok - soft reset
Comm manger - ok - power - softreset
all this is not work to me
why or how to enable this mode on my phone

 

[ultramag69]

Not all models have this feature...