Keys And Parts - Microsoft Lumia 640 Dual SIM Quick Manual

Keys and parts

1 Front camera
2 Earpiece
3 Volume keys
4 Power/Lock key
5 Microphone
6 Micro-USB connector
7 Audio connector AHJ 3.5 mm
8 Camera lens
9 Camera flash
10 Loudspeaker
11 Antenna area
Some of the accessories mentioned in this user
guide, such as charger, headset, or data cable, may
be sold separately.
Avoid touching the antenna area while the antenna
is in use. Contact with antennas affects the
communication quality and may reduce battery life
due to higher power level during operation.