First experience feedback

Page 3

It is said I should have a USB A to C cable, I had a C to C one matching my USB C PSU.

Page 5

At this point in the booklet, I have no idea how the 50% state is presented (on the screen? via a color change in the LED?), and I can only guess that the indicator is the red LED.

I assume "Unplug the charger from the power supply" should be "Unplug the charger from the power outlet"

Global

What is the rubber slot on the right side? Is the rubber part supposed to go away or am I supposed to curve it? Maybe having a page at the begining, with images presenting all the ports would help.

That's all for the moment, I'll update this once the phone is charged.