What are the main specifications of this device?

This device features detailed specifications including screen size, display type and resolution, processor type, RAM capacity, internal storage, camera quality, battery capacity, operating system, design dimensions and weight, and comprehensive connectivity options. All specifications are provided in the detailed sections above.

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The detailed release date and announcement information for this device is available in the Launch section of the specifications. This includes the announcement date and availability timeline.

What connectivity options are available?

This device supports various connectivity options including network generations (2G, 3G, 4G LTE, 5G), WiFi standards, Bluetooth versions, GPS, NFC, and USB connectivity. All connectivity specifications are detailed in the relevant sections.

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Complete technical specifications are organized in detailed sections covering display, hardware, memory, cameras, multimedia, connectivity, features, battery, and more. Scroll through the page to find all available information, or use our Phone Finder tool to explore similar devices.

BenQ-Siemens EF91 - Full Specifications

NETWORK
NETWORK	Technology	GSM / HSPA
2G bands	GSM 900 / 1800 / 1900
3G bands	HSDPA 2100
Speed	HSPA
LAUNCH
LAUNCH	Announced	2006, February
LAUNCH	Status	Discontinued
BODY
BODY	Dimensions	92 x 46.5 x 23.5 mm, 86 cc (3.62 x 1.83 x 0.93 in)
	Weight	100 g (3.53 oz)
	SIM	Mini-SIM
DISPLAY
DISPLAY	Type	TFT, 256K colors
	Size	2.0 inches, 30 x 40 mm, 12.4 cm2 (~29.0% screen-to-body ratio)
	Resolution	240 x 320 pixels, 4:3 ratio (~200 ppi density) Second external 65K colors display, OLED(96 x 64 pixels)
MEMORY
MEMORY	Card slot	microSD (dedicated slot)
	Phonebook	Yes, Photo call
	Call records	10 dialed, 10 received, 10 missed calls
	Internal	32MB
MAIN CAMERA
MAIN CAMERA	Single	3.15 MP, AF
	Features	LED flash
	Video	Yes
SELFIE CAMERA
SELFIE CAMERA	Single	VGA videocall camera
SELFIE CAMERA	Video
MULTIMEDIA
MULTIMEDIA	Loudspeaker	Yes
	Alert types	Vibration; Downloadable polyphonic, MP3 ringtones
	3.5mm jack	No 3D sound
CONNECTIVITY
CONNECTIVITY	WLAN	No
	Bluetooth	1.2, A2DP
	Positioning	No
	Radio	No
	USB	Proprietary
FEATURES
FEATURES	Sensors
	Messaging	SMS, MMS, Email
	Browser	WAP 2.0/xHTML
	Games	Yes + downloadable
	Java	Yes, MIDP 2.0 Video telephony MP3/AAC player Predictive text input Voice memo Stopwatch Organizer
BATTERY
BATTERY	Type	Removable Li-Ion 1000 mAh battery
GENERAL INFO
GENERAL INFO	Colors	Arctic Silver

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