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NIU Niutek 4.5D
NIU · phone

Niutek 4.5D

alcatel OT-997
alcatel · phone

OT-997

3

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Launch

2
Announced
2013-12-01
2012-08-01
Status
Discontinued
Discontinued

Network

3
2G bands
  • E-GSM-900
  • P-GSM-900
  • GSM-850
  • T-GSM-900
  • R-GSM-900
  • DCS-1800
  • DCS-1800
  • E-GSM-900
  • GSM-850
  • T-GSM-900
  • P-GSM-900
  • R-GSM-900
3G bands
  • B5 (850 MHz)
  • B26 (850 MHz)
B8 (900 MHz)
SIM
  • Dual SIM (Mini-SIM)
  • Single SIM (Mini-SIM)

Body

8
Height
137.6 mm
129.8 mm
Width
68 mm
68 mm
Thickness
10.4 mm
11 mm
Weight
139 g
143 g
Colors
  • Black
  • Orange
  • Ardesia
  • White
  • Dark Red
Back material
Plastic
Plastic
Frame material
Glass
Glass
QWERTY keyboard
✕ No
✕ No

Platform

2
OS
Android 4.2 (Jelly Bean)
Android 4.0.4
Chipset
Mediatek MT6572M (28 nm)
Mediatek MT6577 (40 nm)

Memory

3
Memory
  • 256MB RAM, 512MB
  • 1GB RAM, 4GB
Card slot
microSDHC
microSDHC
Dedicated card slot
✓ Yes
✕ No

Display

8
Size
4.5"
4.3"
Resolution width
480 px
480 px
Resolution height
854 px
800 px
Pixel density
218 ppi
217 ppi
High refresh rate
✕ No
✕ No
Display area
55.8 cm²
52.6 cm²
Screen-to-body ratio
59.6%
59.6%
Technology
TFT
TFT

Main camera

5
Cameras
  • 5MP, No
  • 8MP, standard
Flash
LED
LED
Video
720p@30fps
720p@30fps
HDR
✕ No
✕ No
Panorama
✓ Yes
✕ No

Selfie camera

3
Cameras
  • 1.3MP, standard
–
HDR
✕ No
✕ No
Pop-up camera
✕ No
✕ No

Sound

3
3.5mm jack
✓ Yes
✓ Yes
Stereo speakers
✕ No
✕ No
Loudspeaker
✓ Yes
✓ Yes

Sensors

6
Gyroscope
✕ No
✕ No
Compass
✕ No
✓ Yes
Barometer
✕ No
✕ No
Heart rate
✕ No
✕ No
Accelerometer
✓ Yes
✓ Yes
Proximity
✓ Yes
✓ Yes

Connectivity

7
Wi-Fi
  • 802.11b (1–11 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
  • 802.11a (6–54 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11b (1–11 Mbit/s)
  • 802.11g (6–54 Mbit/s)
Bluetooth
Bluetooth 3.0
Bluetooth 4.0
USB
USB microUSB 2.0
USB microUSB 2.0
GPS
✓ Yes
✓ Yes
NFC
✕ No
✕ No
Infrared port
✕ No
✕ No
FM radio
✓ Yes
✓ Yes

Battery

4
Capacity
1650 mAh
1800 mAh
Type
Li-ion
Li-ion
Removable
✓ Yes
✓ Yes
Wireless charging
✕ No
✕ No