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Karbonn A4+
Karbonn · phone

A4+

Sonim XP7
Sonim · phone

XP7

3

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Launch

2
Announced
2013-01-01
2014-11-01
Status
Discontinued
Discontinued

Network

4
2G bands
  • P-GSM-900
  • T-GSM-900
  • R-GSM-900
  • E-GSM-900
  • DCS-1800
  • DCS-1800
  • GSM-850
  • P-GSM-900
  • R-GSM-900
  • E-GSM-900
  • T-GSM-900
SIM
  • Dual SIM (Mini-SIM)
  • Single SIM (Micro-SIM)
3G bands
–
  • B26 (850 MHz)
  • B25 (1900 MHz)
  • B2 (1900 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
4G bands
–
  • B8 (900 MHz)
  • B7 (2600 MHz)
  • B17 (700 MHz)
  • B4 (1700 MHz)
  • B5 (850 MHz)
  • B2 (1900 MHz)
  • B1 (2100 MHz)
  • B12 (700 MHz)

Body

8
Height
123 mm
137 mm
Width
63 mm
72.1 mm
Thickness
10.5 mm
20.8 mm
Weight
87.5 g
290 g
Colors
White/Black
  • Yellow
  • Black
Back material
Plastic
Plastic
Frame material
Glass
Glass
QWERTY keyboard
✕ No
✕ No

Platform

2
OS
Android 4.0.4
Android 4.4.2 (KitKat)
Chipset
Mediatek MT6517
Snapdragon 400 (28nm)

Memory

3
Card slot
microSDHC
–
Dedicated card slot
✓ Yes
✕ No
Memory
–
  • 1GB RAM, 16GB

Display

8
Size
4"
4"
Resolution width
480 px
480 px
Resolution height
800 px
800 px
Pixel density
233 ppi
233 ppi
High refresh rate
✕ No
✕ No
Display area
45.5 cm²
45.5 cm²
Screen-to-body ratio
58.8%
46.1%
Technology
IPS LCD
IPS LCD

Main camera

5
Cameras
  • 3.15MP, No
  • 8MP, normal, AF
Video
Yes
1080p@30fps
HDR
✕ No
✕ No
Panorama
✕ No
✕ No
Flash
–
LED

Selfie camera

3
HDR
✕ No
✕ No
Pop-up camera
✕ No
✕ No
Cameras
–
  • 1MP, standard

Sound

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

Sensors

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

Connectivity

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

Battery

4
Capacity
1250 mAh
4800 mAh
Type
Li-ion
Li-ion
Removable
✓ Yes
✕ No
Wireless charging
✕ No
✕ No