Samsung is a well-known brand that produces high-quality electronic devices. In this review, we will be discussing some of their most popular smartphones from the past few years. These phones are Samsung Galaxy A20 32GB A205G/DS 6.4" HD+ 4,000mAh Battery LTE Factory Unlocked GSM Smartphone (International Version, No Warranty) (Black), Samsung Galaxy S8 G950U 64GB - Verizon + GSM Unlocked Android Smartphone, Midnight Black (Renewed), Samsung Galaxy S8 64GB Phone - 5.8in Unlocked Smartphone - Midnight Black (Renewed), Samsung Galaxy S7 G930A 32GB Gold Platinum - Unlocked GSM (Renewed), Samsung Galaxy S7 ACTIVE G891A 32GB Unlocked GSM Shatter-Resistant, Extremely Durable Smartphone w/ 12MP Camera - Camo Green (Renewed), Samsung Galaxy S8 64GB G950U T-Mobile GSM Unlocked - Arctic Silver (Renewed), Samsung Galaxy S7 Edge 32GB G935A GSM Unlocked (Renewed) (Silver), Samsung Galaxy S7 Edge G935A 32GB Silver - Unlocked GSM (Renewed), Samsung Galaxy S7 G930T T-Mobile Unlocked GSM 4G LTE Smartphone w/ 12MP Camera - Black (Renewed), and Samsung Galaxy S7 SM-G930T - 32GB - GSM Unlocked - Black Onyx (Renewed). Samsung Galaxy A20: The Samsung Galaxy A20 is a mid-range smartphone that was released in 2019. It has a 6.4" HD+ display and runs on Android 9 Pie with an Exynos 7850 processor and 3GB of RAM. The phone comes with 32GB of internal storage, which can be expanded up to 512GB via microSD card. It has a triple rear camera setup that includes a 48MP primary sensor, a 5MP ultra-wide lens, and an 8MP depth sensor. The front-facing camera is 8MP. The phone also features a long-lasting 4000mAh battery and supports fast charging. Overall, the Samsung Galaxy A20 is a decent mid-range smartphone that offers good performance and value for money. Samsung Galaxy S8: The Samsung Galaxy S8 was released in 2017 and is one of Samsung's most popular flagship smartphones. It has a curved 5.8" OLED display with a resolution of 2960 x 1440 pixels. The phone runs on Android 7.0 Nougat with an Exynos 8895 processor and 4GB of RAM. It comes with 64GB of internal storage, which can be expanded up to 2TB via microSD card. The phone features a dual rear camera setup that includes a 12MP primary sensor and an 8MP telephoto lens. The front-facing camera is 8MP. The Samsung Galaxy S8 also has a long-lasting 3000mAh battery and supports fast charging. Overall, the Samsung Galaxy S8 is a high-end smartphone that offers excellent performance and features. Samsung Galaxy S7: The Samsung Galaxy S7 was released in 2016 and is one of Samsung's most popular flagship smartphones. It has a curved 5.1" OLED display with a resolution of 2880 x 1440 pixels. The phone runs on Android 6.0 Marshmallow with an Exynos 8890 processor and 4GB of RAM. It comes with 32GB of internal storage, which can be expanded up to 2TB via microSD card. The phone features a dual rear camera setup that includes a 12MP primary sensor and an 8MP telephoto lens. The front-facing camera is 5MP. The Samsung Galaxy S7 also has a long-lasting 3000mAh battery and supports fast charging. Overall, the Samsung Galaxy S7 is a high-end smartphone that offers excellent performance and features. Samsung Galaxy S7 Active: The Samsung Galaxy S7 Active was released in 2016 and is one of Samsung's most popular flagship smartphones. It has a curved 5.1" OLED display with a resolution of 2880 x 1440 pixels. The phone runs on Android 6.0 Marshmallow with an Exynos 8890 processor and 4GB of RAM. It comes with 32GB of internal storage, which can be expanded up to 2TB via microSD card. The phone features a dual rear camera setup that includes a 12MP primary sensor and an 8MP telephoto lens. The front-facing camera is 5MP. The Samsung Galaxy S7 Active also has a long-lasting 3000mAh battery and supports fast charging.