samsung
Samsung R640 Character
Announced Date:2011, July. Released 2011, JulyRelease Date and Availability:DiscontinuedTechnology:CDMA / CDMA20002G Bands:CDMA 800 / 1900Display Type:TFT, 256K colorsDisplay Size:2.8 inches, 24.3 cm2 (~41.3% screen-to-body ratio) inches
Pros
Cons
Basics
Announced Date
2011, July. Released 2011, July
Release Date and Availability
Discontinued
Operating System
microSDHC (dedicated slot)
UI / Skin
-
Network
Technology
CDMA / CDMA2000
2G Bands
CDMA 800 / 1900
3G Bands
CDMA2000 1x
4G Bands
-
5G Bands
-
Speed
Yes, 384 kbps
Display
Display Type
TFT, 256K colors
Display Size
2.8 inches, 24.3 cm2 (~41.3% screen-to-body ratio)inches
Resolution
240 x 320 pixels, 4:3 ratio
Pixel Density
-ppi
Refresh Rate
-Hz
Adaptive Refresh Rate
-
Peak Brightness
-nits
HDR Support
-
Screen Protection
Samsung TouchWiz Lite UI
Design & Build
Dimensions
107 x 55 x 15 mm (4.21 x 2.17 x 0.59 in)
Height
107 mmmm
Width
55 mmmm
Thickness
15 mmmm
Weight
120 g (4.23 oz)g
IP Rating
-
Build Materials
QWERTY
Fingerprint Scanner
-
Colors
-
Stylus
-
Performance
Chipset
Yes, Photocall
CPU
yes
GPU
-
Process Node
-
RAM
-
Storage
-
Storage Type
-
Expandable Storage
1.3 MP
Cooling System
-
Rear Camera
Main Camera Setup
no
Main Camera
no
Ultrawide Camera
-
Telephoto Camera
-
Periscope Camera
-
Camera Features
-
OIS
-
Optical Zoom
-
Video Recording
-
Front Camera
Selfie Camera
yes
Front Video Recording
yes
Features
Other Features
Up to 288 h
Battery & Charging
Battery Capacity
-mAh
Battery Type
Electric
Wired Charging
-W
Wireless Charging
-W
Reverse Charging
-W
Replaceable Battery
-
Comms
SIM Type
Mini-SIM
5G Support
-
eSIM
-
Wi-Fi Version
-
Bluetooth Version
SMS, Email
NFC
no
USB Type
-
IR Blaster
-
GPS
yes
Radio
SNS applications
MP4/H.263 player
MP3/AAC+ player
Organizer
Voice memo
Predictive text input
Misc
Models
-
SAR
-
SAR EU
-
3rd Party Test Data
Source
-
Performance
-
Display
-
Loudspeaker
-
Battery
-
EU Label
Energy
-
Battery
-
Freefall
-
Repairability
-
Audio & Sensors
Stereo Speakers
no
3.5mm Jack
2.1, A2DP, EDR
Sensors
Removable Li-Ion 1000 mAh battery
Accelerometer
-
Gyroscope
-
Proximity Sensor
-
Compass
-
Barometer
-
Box & Extras
Charger Included
-
Case Included
-