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I Kall S1 vs Microsoft Lumia 640
Compare Specification and Price of I Kall S1 and Microsoft Lumia 640
| Selected Mobiles |  I Kall S1
Brand: Model: |
 Microsoft Lumia 640
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Price | Rs. 9,999/- | Rs. 8,999/- | ||
Pros and Cons
| Pros | -- | Dual SIM Smartphone Runs on latest Windows 8.1 OS with direct Windows update privileges Immense Storage Capacity Good Rear Camera |
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| Cons | -- | Front camera has a poor resolution Under-stocked App Store missing alot of latest Apps |
Overview
| Class | Smartphone | Smartphone | ||
| Status | Available | Discontinued | ||
| SIM Type | Dual SIM | Dual SIM | ||
| Colors Available | Gold, Grey, Purple, Blue | Glossy cyan, Orange, White, Matte Black | ||
| Network | -- | 2G Network: GSM 850/900/1800/1900 MHz 3G Network: WCDMA 850/900/1900/2100 MHz |
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| Browser | -- | Chrome | ||
| Form Factor | -- | Candy Bar | ||
| In The Box | -- | Handset, Nokia Stereo Headset, WH-108 Product user guide, Battery Charger |
Processor & OS
| Operating System | Android 13 | Windows Phone 8.1 with Lumia Denim | ||
| Processor | Octa Core Processor | 1.2 GHz Quad core Qualcomm Snapdragon 400 Processor |
Physical Dimensions
| Dimension (HxWxD) | -- | 141.3 x 72.2 x 8.8 mm | ||
| Weight | -- g | 145 g |
Display
| Size | 6.8 Inch | 5 inches (~294 ppi) | ||
| Technology | IPS LCD | Capacitive Multipoint-Touch | ||
| Resolution | 720 x 1640 pixels | HD, 1280 x 720 Pixels | ||
| Colors | 16M Colors | 16 M | ||
| Other Features | Full HD+ Display TouchScreen: Yes, Capacitive, Multi-touch | Sunlight readability enhancements, Corning Gorilla Glass 3, Easy to clean, Lumia Color profile |
Memory
| Internal Memory & Storage | 128GB | 8 GB | ||
| External Memory | Upto 512 GB | microSD, Up to 128 GB | ||
| RAM | 6GB | 1 GB |
Battery
| Type | Li-Polymer 6000 mAh | Li-Po 2500 mAh Battery | ||
| Talk Time | -- | Upto 27.3 hours (2G) / Upto 20.3 hours (3G) | ||
| Stand-by Time | -- | Upto 35 days | ||
| Video Playback | -- | Upto 8.7 hours | ||
| Audio Playback | -- | Upto 86 hours | ||
| Internet Use | -- | Upto 10.9 hours (Wi-Fi) |
Camera
| Primary Camera(Rear) | 21MP + 5MP + 2MP | 8 MP with LED Flash | ||
| Secondary Camera(Front) | 8MP | 0.9 MP wide angle | ||
| Resolution | -- | 3264 x 2448 pixels | ||
| Digital/Optical Zoom | -- | 4x Optical Z | ||
| Video | -- | Yes, 1080p | ||
| Features | Auto Flash Auto Focus Face detection Touch to focus |
Rear Camera: Auto focus, LED flash, Backside-illuminated image sensor, Dynamic flash, Rich capture Front Camera: Still image capture, Video call, Video recording |
Data & Connectivity
| GPRS | -- | Yes | ||
| EDGE | -- | Yes | ||
| 3G | -- | Yes | ||
| Bluetooth | Yes | Yes, Bluetooth v4.0 with A2DP | ||
| USB | USB Type-C, Mass storage device, USB charging | Yes, micro USB v2.0 | ||
| Wi-Fi | Yes, with b/g/n | Yes WLAN 802.11a/b/g/n/ac, DLNA, Hotspot | ||
| GPS | A-GPS | Yes |
Multimedia
| Music Player | -- | Yes supports MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC | ||
| MP3 Ringtone | -- | Yes | ||
| Poly Ringtone | -- | Yes | ||
| LoudSpeaker | -- | Yes | ||
| Video Player | MP4 | Yes, SupportsH.263, H.264/AVC, MPEG-4, VC-1, Windows video | ||
| Video recording | -- | Yes, 1080p @ 30fps |
Features
| Java | -- | No | ||
| Messaging | SMS / MMS / Email / Push Mail / Instant Messaging | |||
| Sensors | Light sensor Proximity sensor Accelerometer Fingerprint sensor |
Ambient light sensor, Accelerometer, Proximity sensor, Magnetometer, SensorCore | ||
| FM Radio | -- | Yes | ||
| Document Viewer | -- | Yes | ||
| Unique Features | -- | Lumia Beamer, Lumia Storyteller, Play To DLNA app up to 30 GB Free Cloud Storage |
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| Additional Features | Screen Unlock: Fingerprint, Face unlock | Double-tap to wake, Glance screen, Tactile feedback, Vibrating alerts, Voice commands, Word flow keyboard |
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Safety Tips for Buyers
- Never pay the Seller before receiving and verifying the device.
- Never scan any QR code or share OTP.
- Ask for bill, box, accessories etc to make sure its not a stolen device.
- Meet the Seller in a safe place preferably in daytime.
Safety Tips for Sellers
- Never handover the phone before receiving the full amount.
- Avoid Buyers from foreign countries.
- Beware of Buyers from other cities.
- Never share sensitive data of your bank account or credit card.
- Never scan any QR code or share OTP.
- Meet the Buyer in a safe place preferably in daytime.
- Make sure to delete all personal data from the phone before selling.
- Format the device or Reset to factory settings before selling.