| Hardware and OS | Panasonic T21 | |
| Operating system | Android 4.1 (Jelly Bean) | |
| Processor | Quad-core 1.2 GHz Cortex-A7 | |
| Chipset | Mediatek MT6589 (28 nm) | |
| GPU | PowerVR SGX544 | |
| Internal memory | 4 GB, 1 GB RAM | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Panasonic T21 | other phones |
| Type | IPS LCD | |
| Size | 4" inc | |
| Resolution | 480 x 800 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 63.7% | |
| Display area | 45.5 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 233 PPI | |
| Colors | 16M | |
| Connectivity | Panasonic T21 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| Network | GSM / HSPA | |
| SIM card | Dual SIM | |
| Bluetooth | 2.1, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA | |
| USB | microUSB 2.0 | |
| Camera | Panasonic T21 | other phones |
| Main camera | 5 MP, Single | |
| Specs | 5 MP, AF | |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Panasonic T21 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | No | |
| Design | Panasonic T21 | other phones |
| Colors | Black, White | |
| Dimensions | 112.6 x 63.5 x 9.2 mm | |
| Weight | 120 g | |
| Battery | Panasonic T21 | other phones |
| Battery capacity | 1500 mAh, Removable Li-Ion | |
| Other | Panasonic T21 | other phones |
| Release date | 2013, Q3 | |
| Sensors | Accelerometer, proximity, compass | |
