The Samsung Galaxy A7 (2018) was a mid-range smartphone notable for being Samsung's first phone with a triple rear camera setup.  

Key Features:

• Display: 6.0-inch Super AMOLED display  
• Processor: Exynos 7885 octa-core processor  
• RAM: 4GB  
• Storage: 64GB
• Camera:
  • Triple rear camera: 24MP main, 8MP ultrawide, 5MP depth sensor  
  • 24MP front-facing camera  
• Battery: 3300mAh battery  

Key Highlights:

• Triple Rear Camera: This was a significant feature at the time, offering users more versatile photography options.
• Super AMOLED Display: Provided vibrant colors and deep blacks for an immersive viewing experience.  
• Mid-Range Performance: The Exynos 7885 processor offered decent performance for everyday tasks and some light gaming.

The Galaxy A7 (2018) played a role in popularizing the trend of multi-camera setups on smartphones.