| Hardware and OS | Lava Z91E | |
| Operating system | Star OS 4.2 (Android 7.0 Nougat) | |
| Processor | ARM Cortex-A53, 1500 MHz, Cores: 4 | |
| GPU | PowerVR GE8100, 570 MHz | |
| RAM | 3 GB | |
| Internal Storage | 32 GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Lava Z91E | other phones |
| Type | IPS | |
| Size | 5.45 inches | |
| Resolution | 720 x 1440 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 295 ppi | |
| Touchscreen | Yes | |
| Protection | 2.5D curved glass screen | |
| Features | Capacitive, Multi-touch | |
| Connectivity | Lava Z91E | other phones |
| 4G Network | Yes | |
| Wi-Fi | b, g, n, Wi-Fi Hotspot | |
| GPS | GPS, A-GPS | |
| NFC | No | |
| USB | 2.0, Micro USB | |
| Speed | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) | |
| SIM | Nano SIM | |
| Dual SIM | Nano-SIM, Nano-SIM / microSD | |
| Wireless Charging | No | |
| Camera | Lava Z91E | other phones |
| Main camera | 12.98 MP (megapixels) | |
| Features | Dual LED | |
| Image | 4160 x 3120 pixels | |
| Selfie camera | 4.92 MP (megapixels) | |
| Multimedia | Lava Z91E | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Lava Z91E | other phones |
| Dimensions | 72.9 x 152.02 x 7.7 mm | |
| Waterproof | No | |
| Weight | 147 g | |
| Battery | Lava Z91E | other phones |
| Capacity | 3000 mAh, Li-Ion | |
| Other | Lava Z91E | other phones |
| Sensors | Proximity, Light, Accelerometer | |
