The Celkon C51 is an entry-level smartphone with basic features. Below are its specifications and a summary of customer reviews:

Specifications:

• Display: 5.0-inch FWVGA (854 x 480 pixels)
• Processor: 1.3GHz quad-core
• RAM: 1GB
• Storage: 8GB (expandable via microSD card)
• Rear Camera: 5MP
• Front Camera: 2MP
• Battery: 2000mAh
• OS: Android 5.1 Lollipop
• Connectivity: 3G, Wi-Fi, Bluetooth, GPS
• Dual SIM: Yes

Summary of Customer Reviews:

• Pros:

  • Affordable price for basic usage.
  • Decent battery life for light tasks.
  • Compact and lightweight design.
  • Expandable storage is a plus.

• Cons:

  • Outdated Android version with no updates.
  • Low RAM causes lag with multiple apps.
  • Camera quality is poor in low light.
  • Build quality feels cheap.

Overall, the Celkon C51 is suitable for users needing a simple, budget phone for calls and messaging but struggles with performance and modern app demands.