| Hardware and OS | Lava Z90 | |
| Operating system | Android 7.0 (Nougat) | |
| Processor | Quad-core 1.3 GHz Cortex-A53 | |
| Chipset | Mediatek MT6737 (28 nm) | |
| GPU | Mali-T720MP2 | |
| Internal memory | 32 GB, 3 GB RAM | |
| External memory | microSD, up to 64 GB (uses SIM 2 slot) | |
| Display | Lava Z90 | other phones |
| Type | IPS LCD | |
| Size | 5.2" inc | |
| Resolution | 720 x 1280 px | |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 68.7% | |
| Display area | 74.5 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 282 PPI | |
| Colors | 16M | |
| Connectivity | Lava Z90 | other phones |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Micro-SIM, dual stand-by) | |
| Bluetooth | 4.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| USB | microUSB 2.0 | |
| Camera | Lava Z90 | other phones |
| Main camera | 8 MP, Dual | |
| Specs | 8 MP, f/2.0, AF
-2 MP, depth sensor | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | Lava Z90 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Lava Z90 | other phones |
| Colors | Blue, Gold | |
| Dimensions | 148.5 x 73.1 x 8.1 mm | |
| Weight | 159 g | |
| Battery | Lava Z90 | other phones |
| Battery capacity | 2750 mAh, Non-removable Li-Ion | |
| Other | Lava Z90 | other phones |
| Release date | 2017, September | |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
