| Local Name | A21 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 900 / 1800 - SIM 1 & SIM 2 |
| Speed | HSPA |
| Announced | 2014. Released 2014 |
| Status | Discontinued |
| Dimensions | 124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in) |
| Weight | 115.3 g (4.06 oz) |
| SIM | Dual SIM (Dual stand-by) |
| Display Type | Li-Ion 1500 mAh battery |
| Screen Size | 4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio) |
| Resolution | 320 x 480 pixels, 3:2 ratio (~144 ppi density) |
| OS | Android 4.2.2 (Jelly Bean) |
| Chipset | Mediatek MT6582 (28 nm) |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400MP2 |
| Card Slot | microSDHC |
| Internal Memory | 512MB 256MB RAM |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n |
| Bluetooth | 4.0, A2DP |
| NFC | No |
| Radio | FM radio |
| USB | microUSB |
| Sensors | Accelerometer |
| Stand By | Up to 120 h (3G) |
| Talk Time | Up to 8 h (3G) |
| Colors | Black, Blue, Red |
| SAR EU | 0.99 W/kg (head) 1.39 W/kg (body) |
