only 6g neg phone is used and shows signs of wear ..great for persons who work in harsh working conditions like mechanics,painters, farmers...or even fo them little kids.

Samsung b2100( tough phones)
GSM 850 / 900 / 1800 / 1900
SIM Mini-SIM
Announced 2009, March
Status Available. Released 2009, April
Body Dimensions 113 x 48.9 x 17.4 mm (4.45 x 1.93 x 0.69 in)
Weight 102.8 g (3.60 oz)
- MIL-STD-810F certified - salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
- IP57 certified - dust and water proof (up to 1m for 30 mins)
- Anti-shock materials (urethane)
- Flashlight
Display Type TFT, 256K colors
Size 120 x 160 pixels, 1.77 inches (~113 ppi pixel density)
- Wallpapers
Sound Alert types Vibration; Polyphonic(64), MP3 ringtones
Loudspeaker Yes
3.5mm jack No
Memory Card slot microSD, up to 8 GB
Phonebook 1000 entries
Call records Yes
Internal 7 MB
Data GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps
EDGE Class 10, 236.8 kbps
WLAN No
Bluetooth Yes v2.1 with A2DP
USB Yes, v2.0
Camera Primary 1.3 MP, 1280 x 1024 pixels, flash
Video Yes, 15fps
Secondary No
Features Messaging SMS, MMS
Browser WAP 2.0/xHTML
Radio Stereo FM radio with RDS
Games Yes + downloadable
GPS No
Java Yes, MIDP 2.0
Colors Red, Black
- Noise cancellation with dedicated microphone
- Stopwatch
- MP3/eAAC+/WMA/WAV player
- MP4/3GP/M4V player
- Voice memo
- Predictive text input
Battery Li-Ion 1000 mAh battery
Stand-by Up to 600 h
Talk time Up to 9 h
Misc SAR US 0.54 W/kg (head) 0.42 W/kg (body)
SAR EU 0.72 W/kg (head)