JioPhone Prima 4G vs Karbonn K21 comparison

Show Only Differences Highlight Differences	JioPhone Prima 4G	Karbonn K21
key specs
Display	2.40-inch	2.20-inch
Rear Camera	0.3-megapixel	1.3-megapixel
Battery Capacity	1800mAh	1000mAh
OS	KAI OS	Proprietary
Resolution	240x320 pixels	176x220 pixels
Processor	-	one-core
Front Camera	-	No
general
Brand	Jio	Karbonn
Model	Phone Prima 4G	K21
Release date	November 8, 2023	December 1, 2011
Launched in India	Yes	-
Form factor	Bar	Bar
Battery capacity (mAh)	1800	1000
Colours	Blue	Coffee, Grey
Alternate names	-	K21 Radio jockey
Dimensions (mm)	-	111.50 x 47.30 x 14.30
Weight (g)	-	80.00
Removable battery	-	Yes
display
Screen size (inches)	2.40	2.20
Touchscreen	No	No
Resolution	240x320 pixels	176x220 pixels
hardware
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	128	8
Processor	-	one-core
camera
Rear camera	0.3-megapixel	1.3-megapixel
No. of Rear Cameras	1	-
Rear flash	-	No
Front camera	-	No
software
Operating system	KAI OS	Proprietary
connectivity
Bluetooth	Yes, v 5.00	Yes
Micro-USB	Yes	-
FM	Yes	Yes
Number of SIMs	1	2
Wi-Fi	-	No
GPS	-	No
NFC	-	No
Infrared	-	No
USB OTG	-	No
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Regular
3G	Yes	No
4G/ LTE	Yes	No
GSM/CDMA	-	GSM
sim 2
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	No
4G/ LTE	-	No
sensors
Compass/ Magnetometer	-	No
Proximity sensor	-	No
Accelerometer	-	No
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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