Nokia 640

Size

• Weight: 166 g
• Dimensions: 136 x 47 x 32 mm, 139 cc

Display

• 3 + 2 lines
• High-resolution, illuminated, full-graphics display
• 3 x 10 characters for text
• Permanent signal and battery status indicators
• Charging status indicator

Call Management

• All-purpose Navi™ key
• 100 alphanumeric memory locations
• Quick alert settings: Personal, silent, discreet, loud, switch off
• Any key answer
• Automatic answer (with headset and car kit)
• Scratchpad memory
• Last digit/full display clear
• One-touch voice mail dialing
• DTMF functions
• Memory for 5 last numbers dialed/received/missed

Safety and Security

• Keypad lock
• Two locking levels
• Call timers
• Call barring
• User programmable 4-digit lock code

User Selections

• 20 preset ringing tones, room for 1 custom tone
• 22 languages available, two at a time
• Ringing volume and silent alert

NMT450 Plus Features (network dependent)

• Short Message Service (SMS)
• Calling Line Identification (CLI)
• Real-time clock
• International prefix +
• Voice mail and SMS indicators
• Speech scrambling
• Semi-Automatic Country Selector (SACS)

Other

• 4 games (Memory, Logic, Snake, React)
• Own number display
• Calculator
• Alarm clock

Power Management

Battery	Talk time *	Standby time	Charging times
Ultra Slim Battery BPS-1 600 mAh, Li-Polymer	30min – 1h	50h	ACP-8E: 1h 30min
Slim Battery BLS-2N 1050 mAh, Li-Ion	1h – 2h	20h – 90h	ACP-8E: 3h
Standard Battery BMS-2S 900 mAh, NiMH	45min – 1h 30min	80h	ACP-8E: 2h 30min

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