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ZTE Blade A51
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Phone Insight
Full Specifications September 3, 2026
ZTE Blade A51 Android 11
ZTE · 2021

ZTE Blade A51

ZTE Blade A51 Android smartphone. Announced May 2021. Features 6.52″ display, Unisoc SC9863A chipset, 3200 mAh battery, 64 GB storage, 2 GB RAM.

Display 6.52"
Chipset Unisoc SC9863A
RAM 2 GB
Storage 32GB/64GB storage, microSDXC
Camera 13 MP
Battery 3200 mAh
OS Android 11
Build 173.7g, 8.5mm thickness

Launch

Announced 2021, May 08
Status Available. Released 2021, May 08

Platform

OS Android 11 (Go edition)
Chipset Unisoc SC9863A (28 nm)
CPU Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU IMG8322

Display

Type IPS LCD
Size 6.52 inches, 102.6 cm 2 (~81.5% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~269 ppi density)

Memory

Card slot microSDXC
Internal 32GB 2GB RAM, 64GB 2GB RAM
memoryother eMMC 5.1

Main Camera

Dual 13 MP, AF 2 MP
Features LED flash, HDR
Video 1080p@30fps

Selfie camera

Single 5 MP

Body

Dimensions 166.5 x 75.6 x 8.5 mm (6.56 x 2.98 x 0.33 in)
Weight 173.7 g (6.14 oz)
SIM Nano-SIM + Nano-SIM

Battery

Type Li-Ion 3200 mAh

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 b/g/n
Bluetooth 4.2, A2DP, LE
Positioning GPS, GLONASS
NFC Yes
Radio FM radio
USB USB Type-C 2.0, OTG

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA, LTE

Features

Sensors Fingerprint (rear-mounted), accelerometer, proximity

Misc

Colors Blue, Gray
Phone Insight phoneinsight.org/ Printed September 3, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/zte-blade-a51/

In depth

Full specifications

Announced 2021, May 08
Status Available. Released 2021, May 08
OS Android 11 (Go edition)
Chipset Unisoc SC9863A (28 nm)
CPU Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU IMG8322
Type IPS LCD
Size 6.52 inches, 102.6 cm 2 (~81.5% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Card slot microSDXC
Internal 32GB 2GB RAM, 64GB 2GB RAM
memoryother eMMC 5.1
Dual 13 MP, AF 2 MP
Features LED flash, HDR
Video 1080p@30fps
Single 5 MP
Dimensions 166.5 x 75.6 x 8.5 mm (6.56 x 2.98 x 0.33 in)
Weight 173.7 g (6.14 oz)
SIM Nano-SIM + Nano-SIM
Type Li-Ion 3200 mAh
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 b/g/n
Bluetooth 4.2, A2DP, LE
Positioning GPS, GLONASS
NFC Yes
Radio FM radio
USB USB Type-C 2.0, OTG
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA, LTE
Sensors Fingerprint (rear-mounted), accelerometer, proximity
Colors Blue, Gray
PhoneInsight Benchmark
26/100
Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 15.2
Display 56
Camera 48.4
Battery 48.7
0.1%Popularity rank
306,426 hitsTotal views
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