SafeRooting
BenQ-Siemens EF91
BenQ-Siemens

BenQ-Siemens EF91

Released: 2006, FebruaryStatus: Discontinued

Guide Coming Soon

We are preparing a verified guide. Contact support before attempting advanced flashing steps.

Full Specifications

SIMMini-SIM
USBProprietary
JavaYes, MIDP 2.0
Size2.0 inches, 30 x 40 mm, 12.4 cm, 2, (~29.0% screen-to-body ratio)
TypeTFT, 256K colors
WLANNo
BrandBenQ-Siemens
GamesYes + downloadable
ModelBenQ-Siemens EF91
RadioNo
SpeedHSPA
VideoN/A
ColorsArctic Silver
SingleVGA videocall camera
StatusDiscontinued
Weight100 g (3.53 oz)
BrowserWAP 2.0/xHTML
SensorsN/A
2G bandsGSM 900 / 1800 / 1900
3G bandsHSDPA 2100
FeaturesLED flash
Internal32MB
Released2006, February
Announced2006, February
Bluetooth1.2, A2DP
Card slotmicroSD (dedicated slot)
MessagingSMS, MMS, Email
PhonebookYes, Photo call
3.5mm jackNo
Dimensions92 x 46.5 x 23.5 mm, 86 cc (3.62 x 1.83 x 0.93 in)
Resolution240 x 320 pixels, 4:3 ratio (~200 ppi density)
TechnologyGSM / HSPA
Alert typesVibration; Downloadable polyphonic, MP3 ringtones
LoudspeakerYes
PositioningNo
Call records10 dialed, 10 received, 10 missed calls

BenQ-Siemens EF91 Overview

About BenQ-Siemens EF91 BenQ-Siemens EF91 is a discontinued device from BenQ-Siemens's popular line of first class Android phones, released in the 2006. BenQ-Siemens EF91 has a wide variety of great specifications such as 32MB , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

Rooting Information

A verified root guide for BenQ-Siemens EF91 is not yet published. Avoid flashing files from unrelated device variants.

Bootloader Information

Most Android rooting methods begin with bootloader unlock. Unlocking may wipe data, affect warranty, and disable some security features.

Recovery Information

Custom recovery support depends on chipset, kernel source availability, and community builds. Fastboot-based Magisk installation can work even when TWRP is unavailable.

FAQ

Can I root the BenQ-Siemens EF91?

The BenQ-Siemens EF91 supports rooting through Magisk. You'll need to unlock the bootloader first, then flash a patched boot image. Check the rooting status card on this page for availability.

Does BenQ-Siemens EF91 support custom recovery (TWRP)?

Many BenQ-Siemens devices support TWRP. Check our device page for recovery compatibility. If TWRP isn't available, you can still use Magisk through fastboot method.

Will rooting BenQ-Siemens EF91 void warranty?

Yes, rooting the BenQ-Siemens EF91 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does BenQ-Siemens EF91 run?

Check the specifications section above for the current OS version and upgrade history of your BenQ-Siemens EF91.