ZTE V821 vs Onda Twice (N131)
Side by side comparison between ZTE V821 vs Onda Twice phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? ZTE V821
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
13 Advantages 
5 Advantages | 11 Common items in both devices |
| 256MB (100MB available) / Not supported |
| 320x240 pixels |
| QCIF (176x144) |
| Resistive |
| Single |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| +4 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| ZTE V821 | Onda Twice (N131) | |
| Change model | ||
| Model | ZTE V821 | Twice (N131) |
| Other model names | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM | Onda Twice N131 Dual-Sim |
| Country or region available | feature not registered | feature not registered |
| Brand | ZTE | Onda |
| Release date | 6/1/2011 | 8/1/2011 |
| Depth | 12.4 millimeters (0.49 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 61 x 110 millimeters (2.4 x 4.33 in) | 56 x 100 millimeters (2.2 x 3.94 in) |
| Weight | 120 grams (4.2 ounces) | 76 grams (2.66 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE V821 | Onda Twice (N131) | |
| Display type | CSTN - passive matrix | TFT LCD |
| Screen size | 2.4" inches | 2.8" inches |
| Screen-to-body ratio | ~26.6% (screen-to-body ratio) | ~43.4% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 240x320 pixels |
| Touchscreen | Resistive Single touch 1-point | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 167 PPI | 143 PPI |
| Colors | 65 thousand | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| ZTE V821 | Onda Twice (N131) | |
| System version | Android 2.2.1 Froyo | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| ZTE V821 | Onda Twice (N131) | |
| Chipset | MediaTek MT6516 | feature not registered |
| CPU | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| ZTE V821 | Onda Twice (N131) | |
| RAM memory | feature not registered | feature not registered |
| Internal storage | 256MB (100MB available) | Not supported |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 2GB microSD (dedicated slot) |
📶 Mobile networks | ||
| ZTE V821 | Onda Twice (N131) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 0.236 Mbps | 0.048 Mbps |
| Network technology | 2G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Primary 3G network | Not supported | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | GPRS |
📷 Camera | ||
| ZTE V821 | Onda Twice (N131) | |
| Back camera (main camera) | 2 megapixels | 0.3 megapixels |
| Main camera resolution | 1600x1200 pixels | 640x480 pixels |
| Video recording (primary) | QCIF (176x144) | QCIF (176x144) |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | feature not registered | feature not registered |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | feature not registered | feature not registered |
| BSI sensor | feature not registered | feature not registered |
| HDR | feature not registered | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| ZTE V821 | Onda Twice (N131) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| ZTE V821 | Onda Twice (N131) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | feature not registered |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | AVI |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV |
🔌 Connectivity | ||
| ZTE V821 | Onda Twice (N131) | |
| USB | MicroUSB 2.0 | Mini-USB 1.1 (Mini-B) |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 2.0 |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | Not supported |
| DLNA | feature not registered | feature not registered |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| ZTE V821 | Onda Twice (N131) | |
| Sensors | Not supported | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE V821 | Onda Twice (N131) | |
| Battery type | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 900 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7.5 hours | feature not registered |
| Standby | 316.7 hours (13.2 days) | feature not registered |
➕ Other features | ||
| ZTE V821 | Onda Twice (N131) | |
| Call control | Voice recorder | Voice dialing |
| Messaging | SMS, MMS, E-mail | SMS, MMS |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | WAP |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black on red • WiFi hotspot Java framework | • Colors: Black, White, Purple, Blue |
☢️ Radiation rate | ||
| ZTE V821 | Onda Twice (N131) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |