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 | 103 x 44 x 17 mm | 102 x 44 x 18 mm | |
| Weight: | 85 grams | 78 grams | 80 grams | 90 grams | 86 grams | |
| Stand-by: | 1.6 week | 1.3 week | 1.3 week | 1.5 week | 6.7 days | |
| Talk time: | 5 hour | 5 hour | 5 hour | 5 hour | 6 hour | |
| Announced: | 23 november 2005 | 23 november 2005 | 23 november 2005 | 21 october 2005 | 12 october 2005 | |
Design type | ||||||
| Monoblock: | ||||||
| Slider: | ||||||
| Clamshell: | ||||||
Controls | ||||||
| Directional key: | 4-way | 4-way | 4-way | 4-way | 5-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 | Adjustable display brightness, 65.536 colors (16 bits), CSTN | |
| Resolution: | 128 x 128 pixels | 130 x 130 pixels, 7 lines | 130 x 130 pixels, 7 lines | 176 x 132 pixels, 9 lines | 128 x 128 pixels | |
| 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 | Effects/camera settings, Burst (Continuous) Shooting, night mode, portrait mode, self-timer | ||||
| Max. resolution: | (camera) 640 x 480 pixels + (video) 128 x 96 pixels | (camera) 352 x 288 pixels | ||||
| Resolutions: | (camera) (640 x 480), (256 x 192), (128 x 96), (144 x 192) + (video) (128 x 96) | (camera) (352 x 288), (176 x 144), (80 x 72) | ||||
| Type: | VGA camera | CIF 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 | 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 | 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 | 16-tone polyphonic ringtones | |
| Audio codec support: | ||||||
Build-in memory | ||||||
| Internal memory: | 1.5 MB | 1.5 MB | 1.5 MB | 7 MB | 500 KB | |
Connectivity | ||||||
| Synchronisation: | SyncML | SyncML | SyncML | SyncML | ||
| Tethering: | ||||||
| WAP: | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | |
| Infrared: | ||||||
| Bluetooth: | ||||||
Power supply | ||||||
| Battery: | User replaceable | User replaceable | User replaceable | User replaceable | User replaceable | |
