The Samsung Galaxy A21s has a performance problem - NotebookCheck.net Reviews
Samsung Galaxy A21s Prices & Specifications | Samsung MY
Amazon.com: Samsung Galaxy A21S | SM-A217M/DS | 32GB 4GB RAM | Factory Unlocked (GSM ONLY | Not Compatible with Verizon/Sprint) International Model (Black)
Samsung's A21s smartphone is over 20% cheaper this Cyber Monday