HMD Touch 4G vs Karbonn Smart A1 Star comparison

Show Only Differences Highlight Differences	HMD Touch 4G	Karbonn Smart A1 Star
key specs
Display	3.20-inch	3.50-inch
Front Camera	0.3-megapixel	No
Rear Camera	2-megapixel	No
RAM	64MB	256MB
Storage	128MB	512MB
Battery Capacity	2000mAh	1450mAh
OS	Series 30+ S30+ Touch	Android 4.0
Processor	-	1GHz one-core
Resolution	-	320x480 pixels
general
Brand	HMD	Karbonn
Model	Touch 4G	Smart A1 Star
Release date	October 7, 2025	July 1, 2013
AI Enabled	No	-
Launched in India	Yes	-
Form factor	Touchscreen	Bar
Dimensions (mm)	102.30 x 61.85 x 10.85	-
Weight (g)	100.00	-
IP rating	IP52	-
Battery capacity (mAh)	2000	1450
Removable battery	Yes	Yes
Colours	Cyan, Dark Blue	-
display
Screen size (inches)	3.20	3.50
Touchscreen	Yes	Yes
Resolution	-	320x480 pixels
hardware
RAM	64MB	256MB
Internal storage	128MB	512MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
Dedicated microSD slot	Yes	-
Processor	-	1GHz one-core
camera
Rear camera	2-megapixel	No
No. of Rear Cameras	1	-
Rear flash	Yes	-
Front camera	0.3-megapixel	No
No. of Front Cameras	1	-
software
Operating system	Series 30+ S30+ Touch	Android 4.0
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	No
Bluetooth	Yes, v 5.00	Yes
USB Type-C	Yes	-
Headphones	3.5mm	3.5mm
FM	Yes	Yes
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	No
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Regular
GSM/CDMA	-	GSM
3G	-	No
4G/ LTE	-	No
sim 2
SIM Type	Nano-SIM	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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