ZTE Blade 3 - Manual (Page 169)

169
Normal Use Position
When placing or receiving a phone call, hold your phone to your
ear, with the bottom towards your mouth.
Antenna
Antenna
Air Bags
Do not place a phone in the area over an air bag or in the air bag
deployment area as an airbag inflates with great force and seri-
ous injury could result.
Store the phone safely before driving your vehicle.