The Samsung Galaxy A9 is the first quad-cam smartphone: Digital Photography Review
Xiaomi Redmi 10 New Smartphone Global Version 50MP AI Quad Camera 90Hz FHD Display MediaTek Helio G88 Octa Core|Cellphones| - AliExpress
Samsung SM-A135MZKGTP 6.6" Samsung A13 50MP/5MP/2MP/2MP Quad Camera 8MP Selfie Camera 4G LTE 64GB Storage 4GB RAM Android 11 Black Unlocked Smartphone - Latin Version | BrandsMart USA
Samsung Galaxy A9 - The World's First Phone with Rear Quad Camera - Newsshooter
UMIDIGI A9 Pro Smartphone Factory Unlocked 6.3'' 6GB+128GB Quad Camera Phones | eBay
Nokia 9.2 concept renders show a new quad-camera implementation | TechRadar
Best smartphones with four cameras in India | Business Insider India