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Plum Ram Plus
Plum · phone

Ram Plus

Coolpad Cool S1
Coolpad · phone

Cool S1

3

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Launch

2
Announced
2015-06-12
2016-12-01
Status
Discontinued
Discontinued

Network

2
2G bands
  • P-GSM-900
  • GSM-850
  • T-GSM-900
  • R-GSM-900
  • E-GSM-900
  • DCS-1800
  • T-GSM-900
  • DCS-1800
  • P-GSM-900
  • E-GSM-900
  • R-GSM-900
SIM
  • Dual SIM (Mini-SIM)
  • Dual SIM (Micro-SIM)

Body

10
Form factor
Bar
–
Height
127.8 mm
151.4 mm
Width
60.5 mm
74.7 mm
Thickness
23.8 mm
7.5 mm
Weight
188 g
168 g
Protection
IP67
–
Colors
  • Black/Red
  • Black/Silver
  • Gold
Back material
Plastic
Plastic
Frame material
Plastic
Glass
QWERTY keyboard
✓ Yes
✕ No

Platform

2
OS
Android 6 Marshmallow
Android 6.0.1 (Marshmallow)
Chipset
Mediatek MT6250
Snapdragon 821 (14 nm)

Memory

3
Memory
  • 32MB RAM, 128MB
  • 4GB RAM, 64GB
  • 6GB RAM, 128GB
Card slot
microSDHC
–
Dedicated card slot
✓ Yes
✕ No

Display

8
Size
2"
5.5"
Resolution width
176 px
1080 px
Resolution height
220 px
1920 px
Pixel density
141 ppi
401 ppi
High refresh rate
✕ No
✕ No
Display area
12.6 cm²
83.4 cm²
Screen-to-body ratio
16.3%
73.7%
Technology
TFT
IPS LCD

Main camera

5
Cameras
  • 1.3MP, standard
  • 16MP, standard, PDAF
Video
Yes
Yes
HDR
✕ No
✓ Yes
Panorama
✕ No
✓ Yes
Flash
–
Dual-LED dual-tone

Selfie camera

4
Cameras
  • No
  • 8MP, f/2.4, No, AF
Video
No
–
HDR
✕ No
✕ No
Pop-up camera
✕ No
✕ No

Sound

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

Sensors

7
Gyroscope
✕ No
✕ No
Compass
✕ No
✕ No
Barometer
✕ No
✕ No
Heart rate
✕ No
✕ No
Accelerometer
✕ No
✓ Yes
Proximity
✕ No
✓ Yes
Fingerprint
–
rear-mounted

Connectivity

7
Bluetooth
Bluetooth 2.0
Bluetooth 4.1
USB
USB microUSB 2.0
USB Type C
GPS
✕ No
✓ Yes
NFC
✕ No
✕ No
Infrared port
✕ No
✕ No
FM radio
✓ Yes
✓ Yes
Wi-Fi
–
  • Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
  • 802.11a (6–54 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • 802.11b (1–11 Mbit/s)

Battery

5
Capacity
2800 mAh
4070 mAh
Type
Li-Po
Li-Po
Removable
✓ Yes
✕ No
Wireless charging
✕ No
✕ No
Charging power
–
18 W