Alcatel OT 815D vs Alcatel OT 902
| Type | Bar (classic) | Bar (classic) |
| Dimensions | 111.50 x 61.50 x 10.80 mm | 115.00 x 61.00 x 10.40 mm |
| Weight | 98.00 g | 103.20 g |
| Display size | 2.40" | 2.40" |
| Display | Color / TFT 256k colors 320 x 240 px (2.40") 167 ppi | Color / TFT 256k colors 320 x 240 px (2.40") |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 420 min. (7.0 h) |  |
| Stand-by (max.) | 2G: 550 h. (22.9 days) | |
| Playback time (max.) | Audio: 24 h (1.0 days) | nd |
| Standard battery | Li-Ion 850 mAhBuy powerbank
| Li-Ion Buy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1000 places | |
| Internal memory | 128 MB | |
| End-user memory | 23 MB | |
| RAM memory | 64 MB | |
| Memory cards |  microSD, microSDHC up to 16 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Processor | MediaTek MT6255 | - |
| Processor clock | 416 MHz | - |
| Touchscreen | | |
| SAR (10g) | | 1,19 W/kg |
| DualSIM | | |
| Hybrid DualSIM | | nd |
| Other names | OT-815D; 815 Tribe | OT-902 Tribe; OT-902A; OT-902S |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 3.2 Mpx |
| Resolution | 1600x1200 px | 2048x1536 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | |
| Video formats | H.263, MPEG4 - 15 fps | |
| Additional | - | - |
CAMERAS - FRONT
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 12 | |
| EDGE | class 12 | |
| Bluetooth | v3.0 | v2.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 b/g |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | 1000 places | |
| EMS | | |
| MMS | v1.2 | v1.2 |
| Dictionary | OTHER | OTHER |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4 |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | z RDS | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | | AAC, AAC+, WMA |
| Polyphony | 64 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.1 | MIDP 2.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |