Samsung Galaxy S II 4G I9100M

The Samsung Galaxy S II 4G I9100M is a powerful and feature-packed smartphone that was released in July 2011. Running on the Android 2.3 (Gingerbread) operating system, this device is equipped with a dual-core 1.2 GHz Cortex-A9 processor and Exynos 4210 Dual chipset, making it capable of handling multiple tasks simultaneously with ease. The Mali-400MP4 GPU ensures smooth graphics performance for gaming and multimedia.

With 16 GB of internal storage and 1 GB of RAM, the Galaxy S II 4G provides ample space for storing apps, photos, videos, and more. The microSD card slot allows for expandable storage of up to 32 GB. The 4.3-inch Super AMOLED Plus display offers vibrant colors and sharp visuals, with a resolution of 480 x 800 pixels and Corning Gorilla Glass protection.

In terms of connectivity, the Galaxy S II 4G supports Wi-Fi 802.11 a/b/g/n, dual-band, Bluetooth 3.0, and GPS with A-GPS. It is compatible with GSM and HSPA networks, with data speeds of up to 21.1 Mbps for downloads and 5.76 Mbps for uploads. The 8 MP main camera captures high-quality photos and videos at 1080p@30fps, while the 2 MP front camera is ideal for selfies.

Pros:
- Powerful dual-core processor for smooth performance
- Ample internal storage and expandable memory
- Vibrant Super AMOLED Plus display
- High-quality camera with 1080p video recording
- Slim and lightweight design

Cons:
- Outdated Android 2.3 (Gingerbread) operating system
- Limited battery capacity of 1700 mAh
- Lack of radio functionality
- SAR values may be of concern to some users