BenQ-Siemens EF91
The BenQ-Siemens EF91 was a slider-style mobile phone released in 2006. It featured a 2.2 inch TFT display, a VGA camera, Bluetooth and a microSD card slot for memory expansion.
BenQ-Siemens EF91 Price
The retail price of a new or used/second hand BenQ-Siemens EF91 varies widely depending on factors including availability, condition of device, your town or location and market demand. Click here to discover the current price of BenQ-Siemens EF91 in 🇺🇸 US.
Frequently Asked Questions(FAQs)
How to reset or factory restore BenQ-Siemens EF91 device?
The most common and recommended ways to reset or factory restore a BenQ-Siemens EF91 device are: Method 1: Using the Hardware Reset Button 1. Turn off the device. 2. Remove the battery cover and locate the hardware reset button (usually a small pinhole or button located near the power button or volume keys). 3. Press and hold the reset button for 10-15 seconds until the device's power light starts flashing rapidly. 4. Release the reset button and wait for the device to power on. 5. Follow the on-screen prompts to restore the device to its factory settings. Please note that using this method may erase all user data and settings. Use this method as a last resort if all other options fail. Method 2: Using a Computer and a USB Cable 1. Connect the device to a computer using a USB cable. 2. Download and install the appropriate software for your device from the manufacturer's website. 3. Run the software and follow the on-screen instructions to enter recovery mode. 4. Once in recovery mode, select the option to restore the device to its factory settings. 5. Follow the on-screen prompts to complete the restoration process. Using this method requires a computer and a USB cable, but it doesn't erase user data as it uses a built-in recovery mode to restore the device to its factory settings. Method 3: Using a Recovery Disc 1. Obtain a recovery disc for your device from the manufacturer. 2. Insert the recovery disc into your device. 3. Turn off the device and press and hold the power button until the recovery menu appears. 4. Select the option to restore the device to its factory settings using the recovery disc. 5. Follow the on-screen prompts to complete the restoration process. Using a recovery disc is the most reliable method to restore a device to its factory settings, as it provides a complete copy of the device's firmware and software. However, it requires a recovery disc and a computer to create it.
What is the battery life of the BenQ-Siemens EF91?
The battery life of the BenQ-Siemens EF91 is up to 8 hours.
What type of SIM card does the BenQ-Siemens EF91 use?
The BenQ-Siemens EF91 uses a mini-SIM card.
What is the display size of the BenQ-Siemens EF91?
The display size of the BenQ-Siemens EF91 is 2.2 inches.
Specifications
Network
| Technology | GSM / HSPA |
|---|---|
| 2G bands | GSM 900 / 1800 / 1900 |
| 3G bands | HSDPA 2100 |
| Speed | HSPA |
Launch
| Announced | 2006, February |
|---|---|
| Status | Discontinued |
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
| 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
| Card slot | microSD (dedicated slot) |
|---|---|
| Phonebook | Yes, Photo call |
| Call records | 10 dialed, 10 received, 10 missed calls |
| Internal | 32MB |
Main Camera
| Single | 3.15 MP, AF |
|---|---|
| Features | LED flash |
| Video | Yes |
Selfie camera
| Single | VGA videocall camera |
|---|---|
| Video |
Sound
| Loudspeaker | Yes |
|---|---|
| Alert types | Vibration; Downloadable polyphonic, MP3 ringtones |
| 3.5mm jack | No |
| 3D sound | |
Comms
| WLAN | No |
|---|---|
| Bluetooth | 1.2, A2DP |
| Positioning | No |
| Radio | No |
| USB | Proprietary |
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
| Type | Removable Li-Ion 1000 mAh battery |
|---|
Misc
| Colors | Arctic Silver |
|---|
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