Compare Siemens A31
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  |  |  |  |  | Add phone to compare |
|---|---|---|---|---|---|
| Dimensions: | 102 x 46 x 18 mm | 87 x 46 x 19 mm | 79 x 41 x 20 mm | 105 x 46 x 18 mm | |
| Weight: | 85 grams | 78 grams | 80 grams | 95 grams | |
| Stand-by: | 1.6 week | 1.3 week | 1.3 week | 2.7 week | |
| Talk time: | 5 hour | 5 hour | 5 hour | 8 hour | |
| Announced: | 23 november 2005 | 23 november 2005 | 23 november 2005 | 12 october 2005 | |
Design type | |||||
| Monoblock: | |||||
| Slider: | |||||
| Clamshell: | |||||
Controls | |||||
| Directional key: | 4-way | 4-way | 4-way | 4-way | |
| Voice command: | |||||
| Voice dialing: | |||||
Display | |||||
| Color display: | Adjustable display brightness, 65.536 colors (16 bits), CSTN | Adjustable display brightness, 65.536 colors (16 bits), TFT | Adjustable display brightness, 65.536 colors (16 bits), CSTN | Adjustable display brightness, 65.536 colors (16 bits), TFT | |
| Resolution: | 128 x 128 pixels | 130 x 130 pixels, 7 lines | 130 x 130 pixels, 7 lines | 132 x 176 pixels, 9 lines | |
| External display: | 65.536 colors (16-bits), CSTN | ||||
| Resolution: | 96 x 64 pixels | ||||
Hardware | |||||
| Integrated antenna: | |||||
| Camera: | Digital zoom, effects/camera settings, quality settings, portrait mode, video recorder, self-timer | ||||
| Max. resolution: | (camera) 640 x 480 pixels + (video) 128 x 96 pixels | ||||
| Resolutions: | (camera) (640 x 480), (256 x 192), (128 x 96), (144 x 192) + (video) (128 x 96) | ||||
| Type: | VGA camera | ||||
Telephony | |||||
| Integrated handsfree speaker: | |||||
| Vibrating alert: | |||||
Operating frequency | |||||
| Quad band: | |||||
| Tri band: | |||||
Data network | |||||
| GPRS: | |||||
Personal Information | |||||
| Alarm clock: | |||||
| Calculator: | |||||
| Converter: | |||||
| Date and time notation: | |||||
| Phonebook with groups: | |||||
| Reminder list: | |||||
| Stopwatch & countdown timer: | |||||
| To-do list: | |||||
| Voice memo: | |||||
| Photo phonebook: | |||||
Available applications | |||||
| Automatic switch on/off phone: | |||||
| Games: | |||||
| Java application support: | |||||
| Image editor: | |||||
| Photo album: | |||||
| Video codec support: | |||||
Messaging | |||||
| Instant messaging: | |||||
| MMS: | Video MMS | ||||
| Predictive Text Input: | T9 | T9 | T9 | T9 | |
| SMS: | Group messaging, receive and send concatenated messages | Group messaging, receive and send concatenated messages | Group messaging, receive and send concatenated messages | Group messaging, receive and send concatenated messages | |
| E-mail: | POP3, SMTP, IMAP4 | ||||
Internet | |||||
| Internet browser: | |||||
Audio | |||||
| Polyphonic ringtones: | 32-tone polyphonic ringtones | 32-tone polyphonic ringtones | 32-tone polyphonic ringtones | 40-tone polyphonic ringtones, MP3 ringtones | |
| Audio codec support: | |||||
Build-in memory | |||||
| Internal memory: | 1.5 MB | 1.5 MB | 1.5 MB | 10 MB | |
Connectivity | |||||
| Synchronisation: | SyncML | SyncML | SyncML | SyncML | |
| Tethering: | |||||
| WAP: | 2.0 | 2.0 | 2.0 | 2.0 | |
| Infrared: | |||||
Power supply | |||||
| Battery: | User replaceable | User replaceable | User replaceable | User replaceable | |
Materials | |||||
| Dust and waterproof: | |||||
