| Hardware and OS ZTE Blade A521 |
| Operating system: | Android 7.0 Nougat |
| Processor: | Quad-Core 1.1GHz ARM Cortex A7 |
| GPU: | Qualcomm Adreno 304 |
| RAM: | 2GB |
| Internal Storage: | 16GB |
| Memory Card Slot: | microSD, microSDHC, microSDXC |
| User Interface: | Yes with MiFavor UI |
| Display ZTE Blade A521 |
| Type: | IPS, LCD capacitive touchscreen |
| Size: | 5.0 inches HD |
| Resolution: | 1280 x 720 Pixels, 24 bit color depth |
| Colors: | 16M Colors |
| Pixel Density: | ~ 294 ppi |
| Touchscreen: | Yes Multi Touch Support |
| Protection: | Yes Support |
| Features: | HD Display, ~ 294 PPI , Capacitive , Multi-touch, Scratch Resistant |
| Connectivity ZTE Blade A521 |
| 4G Network: | LTE : 800 / 900 / 1800 / 2100 / 2600 MHz |
| Wi-Fi: | Wi-Fi 802.11 b/g/n, Wi-Fi HotSpot |
| GPS: | Yes, with GPS, A-GPS |
| NFC: | No |
| USB: | Micro USBv2.0 With Charging and Mass Storage Function |
| Speed: | LTE Cat 4 150 Mbps Download, 50 Mbps Upload, HSUPA 5.76 Mbps Upload, HSDPA 21 Mbps Download, EV-DO Rev.A 1.8 Mbps Upload, 3.1 Mbps Download |
| SIM: | Nano SIM |
| Dual SIM: | (Nano, Nano) |
| Camera ZTE Blade A521 |
| Main camera: | 8 Megapixels with Single-LED and AF Rear Camera |
| Features: | Yes with Single-LED Flash |
| Image: | 3264 x 2448 Pixels |
| Selfie camera: | 8 Megapixels |
| Multimedia ZTE Blade A521 |
| Loudspeaker: | Yes |
| Radio: | Yes |
| Video Playback: | Up to 5 Hours |
| Video Out: | Yes With Wireless Media Link |
| Ring Tones: | MP3 ringtones |
| 3.5 mm Jack: | yes |
| Design ZTE Blade A521 |
| Dimensions: | 144X71X8.4mm |
| Weight: | 137 grams |
| Battery ZTE Blade A521 |
| Capacity: | 2,400 mAh |
| Placement: | Non-Removable |
| Other ZTE Blade A521 |
| Sensors: | Accelerometer, Proximity, Light |