8. SIM function
Hammer Blade 4 is equipped with a tray for SIM / microSD cards,
thanks to which you can use the
phone in the following
configurations:
1. SIM 1 card + SIM 2 card
2. SIM card + microSD card
9. Buttons
Menu (virtual)
Pressing it will cause the list of open apps to appear, where you can
switch in-between or turn them off.