Celkon A21
technology
GSM / HSPA
gprs
Yes
edge
Yes
announced
2014
year
2014
status
Available. Released 2014
dimensions
124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in)
weight
115.3 g (4.06 oz)
sim
Dual SIM (Dual stand-by)
type
Capacitive touchscreen
size
4.0 inches (~57.8% screen-to-body ratio)
resolution
320 x 480 pixels (~144 ppi pixel density)
card_slot
microSD, up to 32 GB
alert_types
Vibration; MP3, WAV ringtones
wlan
Yes
bluetooth
v4.0
gps
No
radio
FM radio
usb
Yes
messaging
SMS (threaded view), MMS, Email
browser
HTML
features_c
- Voice memo/dial
battery_c
Li-Ion 1500 mAh battery
stand_by
Up to 120 h (3G)
talk_time
Up to 8 h (3G)
colors
Black, Blue, Red
sensors
Accelerometer
cpu
Quad-core 1.3 GHz Cortex-A7
internal
512 MB, 256 MB RAM
os
Android OS, v4.2.2 (Jelly Bean)
category
Android
primary_
3.15 MP
video
Yes
secondary
1.3 MP
speed
HSPA
chipset
Mediatek MT6582
gpu
Mali-400MP2
_3_5mm_jack_
Yes
_2g_bands
GSM 900 / 1800 - SIM 1 & SIM 2
_3g_bands
HSDPA 2100
ROM
Screen Size
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