Internet, videos, browsing, camera, and charging were all fine. You can watch One-Seg and Full-Seg without Wi-Fi. You can use it without a contract if you connect to Wi-Fi. Supports One-Seg and Full-Seg. I think there are few smartphones with built-in full-seg antennas. It has a built-in One-Seg antenna, so you can watch One-Seg without Wi-Fi, without having to purchase a separate One-Seg antenna. If you just charge it, you can use it as a simple light in case of a disaster, and you can immediately check the situation with One-Seg or Full-Seg. Please consider it as one of your disaster preparedness items. DOCOMO OS Android 8 CPU Snapdragon 625 MSM8953 Number of CPU cores: Octa-core Memory: ROM 32GB, RAM 3GB Charging cable: microUSB External memory type: microSDXC memory card Maximum external memory capacity: 256 GB Battery capacity: 2850 mAh Screen performance Screen size: 5.5 inches Image resolution: 1920x1080 Screen panel type: IPS-NEO Camera Image stabilization: ○ 4K shooting: ○ Shooting flash: ○ Body size/weight Width: 75 mm Height: 156 mm Thickness: 7.7 mm Weight: 169 g Functions Mobile wallet: ○ Authentication function: Iris authentication Water resistance/waterproof: IPX5/IPX8 Full-Seg support: ○ One-Seg support: ○ High-resolution audio support: ○ GPS support: ○ Network Maximum downlink data communication speed: PREMIUM 4G: 262.5Mbps 4G/LTE support: ○ Wireless LAN standard: 802.11 a/b/g/n/ac Tethering support: ○ Bluetooth support: ○ NFC support: ○ SIM: nano-SIM card Charging is microUSB type B. Shipped via Nekopos. Please comment before purchasing, as I don't want purchases made without reading the description.