Lava Z91
The Lava Z91 is a budget-focused device, powered by the Mediatek MT6739 (28 nm), built for basic everyday tasks (2018).
2018 · Lower-mid-range · Android 7.1 (Nougat)ⓘ Grades compare this device against others in its own market segment (Mid-range), not against every device on the site.
⚡ Quick Specs
Size5.7" · 152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in)
ChipsetMediatek MT6739 (28 nm)
RAM3GB
Storage32GB
⚖️ Compare With
✓︎ Pros
✓5.7" IPS LCD display with accurate colours and wide viewing angles
✓Lightweight at 147g — easy to carry
✓3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗Smaller 3,000 mAh battery — may need midday charging
✗Basic Mediatek MT6739 (28 nm) for simple tasks only
✗Only 3GB RAM — apps may reload frequently
⚠️ Not ideal for
Heavy usage daysGamingMultitaskingMultitasking
⚙️ Performance
Chipset
Mediatek MT6739 (28 nm)
Entry-level — basic tasks only
CPU
Quad-core 1.3 GHz Cortex-A53
RAM
3GB
Apps may reload frequently
💻 Display
Sharpness
282 ppi
Adequate sharpness for daily use
Panel
IPS LCD
IPS: accurate colours, good brightness
🔋 Battery
Capacity
3,000 mAh
May need midday charging with heavy use
Type
Li-Po 3000 mAh, non-removable
📱 Design & Build
Weight
147g
Very light — comfortable for long use
Dimensions
152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in)
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
📶 Network
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
📡 Connectivity
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
❓ Frequently Asked Questions
No, the Lava Z91 does not support 5G — it supports GSM / HSPA / LTE.
No, the Lava Z91 does not have NFC.
Yes, the Lava Z91 supports microSDXC expandable storage.
The Lava Z91 SIM configuration: Nano-SIM + Nano-SIM.
Yes, the Lava Z91 has a 3.5mm headphone jack.
Speaker setup: Yes.
The Lava Z91 ships with Android 7.1 (Nougat).
The Lava Z91 uses microUSB 2.0, OTG.
The Lava Z91 supports Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct.
The Lava Z91 has 4.0, A2DP.
