Optus X Vista – ZTE Z6621O

  • Stylish smartphone with premium features, minus the price tag
  • Large 5.45″ display for the ultimate viewing experience
  • Android Pie Operating System for the latest in functionality
  • Octa core processor for fast loading and keeping everything running smoothly

Connectivity / Multi Media

Nano SIM card (4FF)

Bluetooth 4.2 with stereo headset support & 3.5mm wired stereo headset socket

FM Radio, MP3 Player and ringtones, A-GPS

Wi-Fi 802.11 b/g/n

4G Voice calling with 150Mbps data speeds


8 Mega pixel Auto Focus rear camera with Flash plus a 5MP front camera


Android Pie

Core Hardware

Octa Core CPU with 2GB RAM / 16GB Flash with around 9.5GB for the user

Memory expandable upto 256GB with Micro SD support

5.45″, HD+ display, 295ppi


2600mAh battery (user replaceable)

4G LTE B1 2100MHz / B3 1800MHz / B7 2600MHz / B8 900MHz / B28 700MHz / B40 2300MHz
3G UMTS 900MHz / 2100MHz – rated Best for Regional
SIM Card Nano SIM, 4FF
Operating System Android Pie (Version – 9)
Processor Octa core CPU with 2GB RAM.
Memory 16GB with approx 9.7GB for the user + Micro SD card support upto 128GB
Display 6.26″ HD+ 720 x 1520px 18:9 ratio LCD
Camera Dual Rear 13MP AF + 2MP with Flash / Front 8MP
Audio codecs MP3, AAC, AAC+v1, AAC+v2, IMY, Midi, Ogg, AMR-WB, AMR-NB, APE, FLAC, ADPCM, WAV
Audio out Earpiece, Speakerphone & 3.5mm headset
Security Finger print reader / Face unlock
Wi-Fi 802.11 b/g/n & Hotspot
Bluetooth Bluetooth 4.2
Location GPS / A-GPS
FM Radio FM Radio included
Battery 3200mAh Li-ion, user replaceable
Talk Time 3G talk time: 11hrs
Standby time 3G standby time: 450hrs
Size & weight 157.1 x 75.8 x 8.1mm. 165g
Network Lock Yes
Worst case SAR 0.9 W/Kg in the body position (5mm spacing)
0.358 W/Kg in the head position

Whats in the Box?

The Optus X Vista (ZTE Z6621O) comes with

  • Prepaid SIM (this SIM includes no value)
  • Battery
  • AC Charger
  • USB data cable
  • 3.5mm Stereo headset with microphone
  • Quick Start guide
  • Warranty Card
Download file Version Released
Quick Start Guide (PDF) Ver 1.0 Jan 2019
User Guide (PDF) Ver 1.0 Jan 2020
Warranty Card (PDF)