Microsoft Lumia 640

Microsoft Lumia 640 Guide

The Basics


I can't connect to another Bluetooth device

Possible causes

The distance between the two devices is too long

Place the two devices no more than 10 metres apart.

Bluetooth isn't turned on on the other device

Turn on Bluetooth on the other device.

Turn on Bluetooth.

Step of :

Bluetooth visibility isn't turned on on the other device

Turn on Bluetooth visibility on the other device.

There's an error on the other device.

Replace the other device to check if this device causes the error.

The entered password is wrong

Use the correct access code.

We are pleased that your problem was solved.
Unfortunately, we can't solve the problem with your phone. Contact our customer service for more help.


Dimensions (LxWxH) 141.3 x 72.2 x 8.8 mm
Weight 145 g
Colour display 16 million colours
Resolution 720 x 1280 pixels
Touch screen Yes
Talk time Up to 26.5 hours
Stand-by time Up to 36 days
Phone memory 1 GB RAM, 8 GB storage
Memory card slot Yes
SIM type Micro SIM
GSM 850 MHz Yes
GSM 900 MHz Yes
GSM 1800 MHz Yes
GSM 1900 MHz Yes
3G (UMTS) Yes
HSDPA (3.5G) Yes
4G (LTE) Yes
Chat Yes
Email Yes
Camera 8 megapixels
Video player Yes
Video recorder Yes
Video call No
Music player Yes
Radio Yes
Podcasts Yes
Voice recorder Yes
Internal GPS Yes
Maps/Navigation HERE Maps
Calendar Yes
Tasks No
Notes Yes
Alarm Yes
Stopwatch Yes
Countdown timer Yes
Calculator Yes
Office applications Office
Browser Yes
RSS reader No
Wi-Fi Yes
USB data cable Yes
Bluetooth Yes
Data modem No
Synchronisation with computer Yes
Browse all