I've successfully updated my Z3 a few days ago on 6.0.1.
Unfortunately, thus the root is gone.
With the Kingroot app, it is not possible to root my phone because the latest Marshmallow update.
Do you know other possibilities to root the Z3 that work on 6.0.1?
Bootloader is locked.
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Why do not this, please times in this thread over, where it can then please go ahead