Towards the rear, the holder is provided with a ball joint, so you can install it from the bottom of the dashboard or upward and the windshield.
I usually attach the bracket so that it rests easily on the dashboard.
This prevents anything at wobbles when driving on uneven roads.
But even if you just install so they stuck very well.
Last but not least it can be vacuumed with a clamping device for the suction cup.
Phablets ideal for larger phones and so-called useful - All in all, this support - especially at this price..