Overall Score
51.0Category Breakdown
Overall(#9358)51.0
Performance(#7129)54.3
Camera(#7917)41.9
Display(#8760)53.4
Battery(#4940)43.5
Build(#3621)70.8
Comparisons Featuring Karbonn KT21 Express
Short Review
- The Karbonn KT21 Express features a compact design with a 2.8-inch TFT display, offering a resolution of 240 x 320 pixels and a pixel density of 240 PPI.
- The build is lightweight, although specific dimensions and materials are not provided.
- Performance is limited, as the device lacks RAM and storage specifications, which may affect multitasking and app usage.
- The rear camera is 3.15 MP, capable of video recording, but there is no front-facing camera for selfies.
- Battery capacity stands at 1000 mAh, with no fast charging or wireless charging options available.
- The software details are unspecified, indicating a basic operating system experience.
- Connectivity options include Bluetooth 2.0 and a microUSB port, but there is no support for WiFi or 5G.
- The device does not feature stereo speakers, but it includes a headphone jack for audio output.
- Overall, the Karbonn KT21 Express is a simple feature phone with essential functionalities.
Specifications
General
Release Date2012
Announced2012
DescriptionN/A
Display
Size2.8"
TypeTFT
Resolution240 x 320 pixels, 4:3 ratio
PPI240
Refresh Rate60Hz
Peak BrightnessN/A
HDR Support✗
ProtectionN/A
Performance
ChipsetN/A
CPUN/A
GPUN/A
MemoryN/A
Expandable Storage✗
Card SlotmicroSDHC (dedicated slot)
Camera
Main Camera3.15 MP
Main Camera Details3.15 MP
Front CameraN/A
Front Camera DetailsN/A
Video RecordingYes
Selfie VideoN/A
OIS✗
Night Mode✗
RAW Support✗
Battery
Capacity1000 mAh
Battery DetailsLi-Ion 1000 mAh, removable
Charging DetailsN/A
Fast Charging✗
Wireless Charging✗
Build & Design
DimensionsN/A
WeightN/A
MaterialsN/A
Water ResistanceN/A
ColorsBlack
Foldable✗
Connectivity
SIMDual SIM (Mini-SIM)
NetworkNo cellular connectivity
Network SpeedN/A
5G✗
4G✗
WiFiNo
Bluetooth2.0
NFC✗
USBmicroUSB
IR Blaster✗
Headphone Jack✓
Radio✗
PositioningNo
Software
Operating SystemN/A
OS VersionN/A
Security
Fingerprint✗
Face Unlock✗
SensorsProximity
Audio
Stereo Speakers✗
LoudspeakerYes
Audio JackYes