SafeRooting
Siemens AL21
Siemens

Siemens AL21

Released: 2005, NovemberStatus: Discontinued

Guide Coming Soon

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

Full Specifications

SIMMini-SIM
USBProprietary
EDGENo
GPRSClass 8
JavaYes, MIDP 1.0
SizeN/A
TypeTFT, 65K colors
WLANNo
BrandSiemens
GamesYes + downloadable
ModelSiemens AL21
RadioNo
ColorsRed Temptation, Black Magic
StatusDiscontinued
Weight78 g (2.75 oz)
BrowserWAP 1.2.1
SensorsN/A
2G bandsGSM 900 / 1800 / 1900
Internal1.5MB
Released2005, November
Stand-byUp to 220 h
Announced2005, November
BluetoothNo
Card slotNo
MessagingSMS, EMS, MMS
PhonebookYes
Talk timeUp to 5 h
3.5mm jackNo
Dimensions86.8 x 45.8 x 19.2 mm (3.42 x 1.80 x 0.76 in)
Resolution130 x 130 pixels, 1:1 ratio
TechnologyGSM
Alert typesVibration; Polyphonic(32) ringtones
LoudspeakerYes
PositioningNo
Call records10 dialed, 10 received, 10 missed calls

Siemens AL21 Overview

About Siemens AL21 Siemens AL21 is a discontinued device from Siemens's popular line of first class Android phones, released in the 2005. This device offers reliable performance and great features for Android enthusiasts looking to root their device.

Rooting Information

A verified root guide for Siemens AL21 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 Siemens AL21?

The Siemens AL21 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 Siemens AL21 support custom recovery (TWRP)?

Many 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 Siemens AL21 void warranty?

Yes, rooting the Siemens AL21 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Siemens AL21 run?

Check the specifications section above for the current OS version and upgrade history of your Siemens AL21.