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Karbonn A21 Specs Pricing Pros & Cons Explored

Release Date
2012
Camera
5MP
Battery
1800mAh
Screen
4.5"
Storage
4GB 512MB RAM , microSDHC slot
Ram
512MB RAM
Operating System
Android 4.0

Karbonn A21 Disadvantages

  • Outdated Operating System: Android 4.0 (Ice Cream Sandwich) is considered outdated by today's standards.
  • Limited Internal Storage: Offers only 4GB of internal storage with 512MB RAM, which may not be sufficient for modern app requirements.
  • Lacks NFC Support: No NFC capability makes it less suitable for contactless payment applications.
  • Basic Camera Features: The 5 MP main camera may not meet current photography expectations, and the front 1.3 MP camera offers low resolution for selfies.
  • No Radio Feature: Missing the radio feature which is desired by some users for offline music or news.
  • Average Battery Life: 1800 mAh battery may not last a full day depending on usage, with only up to 5 hours of talk time.
  • Discontinued Product: As a discontinued product, it may not receive any more software updates or support.
  • Low Display Resolution: The screen resolution of 480 x 800 pixels results in a relatively low pixel density (~207 ppi).
  • Limited Connectivity: Bluetooth 2.1 is considered outdated and may not support modern wireless accessories effectively.
Network
Technology GSM / HSPA
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 2100
Speed HSPA 7.2/0.384 Mbps
Launch
Announced 2012
Status Discontinued
Body
Dimensions -
Weight -
SIM Dual SIM (Mini-SIM)
Display
Type TFT, 256K colors
Size 4.5 inches, 57.6 cm2
Resolution 480 x 800 pixels, 5:3 ratio (~207 ppi density)
Platform
OS Android 4.0 (Ice Cream Sandwich)
CPU Dual-core 1.2 GHz
Memory
Card slot microSDHC (dedicated slot)
Internal 4GB 512MB RAM
Main Camera
Single 5 MP, AF
Features LED flash
Video Yes
Selfie camera
Single 1.3 MP
Video
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n
Bluetooth 2.1, A2DP
Positioning GPS
NFC No
Radio No
USB microUSB 2.0
Features
Sensors Accelerometer, proximity
Battery
Type Li-Ion 1800 mAh, removable
Stand-by Up to 200 h
Talk time Up to 5 h
Misc
Colors Pearl White
SAR EU 0.44 W/kg (head)
Price About 130 EUR

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