Siemens AL21
$0
Overview
Siemens AL21 is a budget Android smartphone released in 2005 with a 1.52-inch TFT, powerful processor chipset, N/A main camera, and 600 mAh battery.
Priced at $0, it targets users seeking budget performance.
Specifications of Siemens AL21
The display of Siemens AL21 measures 1.52 inches with TFT technology. Peak brightness reaches 200 nits for excellent outdoor visibility. The screen renders at 130x130 pixels resolution.
The battery of Siemens AL21 has 600mAh capacity with 5 wired charging. A full charge takes approximately 240 min minutes.
The connectivity of Siemens AL21 includes 5G support, Wi-Fi No, and Bluetooth No.
The build of Siemens AL21 weighs 78.0g with Plastic frame and Glossy back. Dimensions measure 86.8 x 45.8 x 19.2 mm.
Compare Siemens AL21
Frequently Asked Questions about Siemens AL21
Yes, Siemens AL21 supports 5G connectivity with both Sub-6GHz and mmWave bands for maximum network compatibility and fastest speeds. It works with major 5G carriers globally.
Siemens AL21 has a 600mAh battery. Battery life varies based on usage patterns.
Siemens AL21 at $0 is a budget device. It's worth buying if you prioritize affordability over premium features.
Siemens AL21 supports 5 wired charging with full charge in approximately 240 min minutes.
Siemens AL21 has a 1.52-inch TFT with 60Hz refresh rate and 200 nits peak brightness.
Siemens AL21 in Category Rankings
See how Siemens AL21 ranks in these categories:
Verdict
The Siemens AL21 delivers practical value for users prioritizing affordability over premium features. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
1.52"
Main Camera
Chipset
Full Specifications
Network
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 |
| 3G Bands | N/A |
| 4G LTE Bands | N/A |
| 5G Sub-6 Bands | [] |
| 5G mmWave Bands | [] |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Mini-SIM |
| Dual SIM Mode | dual |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2005 |
| Status | Discontinued |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | N/A |
Body & Design
| Dimensions (mm) | 86.8 x 45.8 x 19.2 mm |
| Weight (g) | 78.0 |
| Build Materials | Plastic |
| Frame | Plastic |
| Back Finish | Glossy |
| Colors | ["Red Temptation", "Black Magic"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | N/A |
| Notification/Alert | |
| Haptics | No haptics |
Display
| Panel Type | TFT |
| Size (inches) | 1.52 |
| Resolution (px) | 130x130 pixels |
| Aspect Ratio | 1:1 |
| Pixel Density (ppi) | 119 |
| Screen-to-body Ratio (%) | 20.0 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 60 |
| Peak Brightness (nits) | 200 |
| HDR Standards | N/A |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | N/A |
| Glass Protection | N/A |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | N/A |
| Update Policy | N/A |
| Chipset | N/A |
| CPU | N/A |
| GPU | N/A |
| NPU/AI TOPs | N/A |
| ISP Features | No ISP features |
| Modem | No modem |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | N/A |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | N/A |
| RAM Type | SDRAM |
| Storage | N/A |
| Storage Type | 1.5MB |
| Storage Speed | No storage |
| Expandable Storage | |
| Slot Type | N/A |
| USB OTG | |
| Filesystem Encryption | N/A |
Main Camera System
| Rear Cameras | 1 |
| Main Sensor | N/A |
| Main Sensor Size | N/A |
| Main Sensor Model | N/A |
| Main Lens | 28mm |
| OIS | |
| Autofocus | N/A |
| Pixel Binning | |
| Ultrawide | N/A |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | No video recording |
| HDR/Dolby Vision Video | |
| Video Codecs | h263 |
| Slow Motion | |
| Video Stabilization | |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | N/A |
| Sensor Size | No front camera |
| Aperture | N/A |
| AF/OIS | N/A |
| Secondary Front Cam | |
| Front Flash | |
| Video | qcif |
| HDR/Dolby Vision | N/A |
| Face Unlock | N/A |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | aac |
| DAC/Amp | N/A |
Connectivity
| Wi-Fi | |
| Wi-Fi Features | |
| Bluetooth | |
| NFC | N/A |
| IR Blaster | |
| UWB | N/A |
| Positioning | |
| Dual-Band GNSS | |
| FM Radio | |
| USB | N/A |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | N/A |
| 3D Face ID | N/A |
| Accelerometer | N/A |
| Gyroscope | N/A |
| Magnetometer | N/A |
| Proximity Sensor | N/A |
| Ambient Light | N/A |
| Barometer | N/A |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | N/A |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 600 |
| Type | Li-Ion |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 5 |
| Wired Standard | pma |
| 0-50% Time (mins) | 120 min |
| Full Charge Time | 240 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | |
| Battery Health Features | N/A |
Software
| OS at Launch | No OS |
| Update Window | N/A |
| UI Skin / Launcher | N/A |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | No privacy features |
| Accessibility | No accessibility features |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | charger, battery, manual |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!