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                                        Lava Z91 | 
                                    
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                                         Launch 
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| Announced | 2018, March | |
| Status | Available. Released 2018, March | |
| 
                                         Network 
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| Technology | GSM / HSPA / LTE | |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2; | |
| 3G | HSDPA 900 / 2100 ; | |
| 4G | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500); | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| GPRS | Yes | |
| Edge | Yes | |
| 
                                         Body 
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| Dimensions | 152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in) | |
| Weight | 147 g (5.19 oz) | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
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                                         Display 
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| Type | IPS LCD capacitive touchscreen, 16M colors | |
| Size | 5.7 inches, 83.8 cm2 (~75.7% screen-to-body ratio) | |
| Resolution | 720 x 1440 pixels, 18:9 ratio (~282 ppi density) | |
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                                         Platform 
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| OS | Android 7.1 (Nougat) | |
| Chipset | Mediatek MT6739 (28 nm) | |
| CPU | Quad-core 1.3 GHz Cortex-A53 | |
| GPU | PowerVR GE8100 | |
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                                         Memory 
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| Card Slot | microSD, up to 128 GB (dedicated slot) | |
| Internal | 32 GB, 3 GB RAM | |
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                                         Camera 
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| Primary | 13 MP, f/2.0, 1.12µm, AF | |
| Features | LED flash | |
| Video | LED flash | |
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                                         Sound 
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| Loudspeaker | Yes | |
| 3.5mm Jack | Yes | |
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                                         Comms 
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| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | |
| Bluetooth | 4.0, A2DP | |
| GPS | Yes, with A-GPS | |
| Radio | FM radio | |
| USB | microUSB 2.0, USB On-The-Go | |
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                                         Features 
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| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | |
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                                         Battery 
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| Battery | Non-removable Li-Po 3000 mAh battery | |
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                                         Misc 
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| Colors | Blue | |
| Price group | About 10000 INR | |