I have checked Wi-Fi connection, initialization, camera, charging, browsing, and video playback before listing. One-Seg compatible. YouTube is also viewable. You can use compatible apps, games, the internet, etc., by connecting to Wi-Fi. Initialized. OS: Android 10 Enhanced basic features. It supports waterproofing and dustproofing, and is equipped with a function that allows operation with wet hands and a glove mode, so you can comfortably operate the 5.7-inch large screen display anytime. Equipped with a fingerprint sensor on the back. You can use it stress-free. Reliable large-capacity battery. Equipped with a 3,100mAh large-capacity battery, so you can rest assured even when using videos and games for long periods. Easily take photos with a blurred background with the dual camera. With the dual camera, you can blur the background of the subject and easily take SNS-worthy photos with a single-lens reflex camera-like effect. It also has portrait mode and beauty mode, allowing you to take more beautiful photos of people. Stress-free with comfortable customization features. "Easy mode" that allows you to enlarge the icons and text on the home screen and create a simple layout. Equipped with "one-handed mode" that makes it easier to tap the edges and top of the screen with one hand. There were no problems with touch or use, but there is some cracking on the top of the screen. There may be other defects besides those confirmed, but please understand. Please do not purchase if you do not understand the term "junk" and are childish enough to demand a return. Due to the junk listing, I will reconfirm the condition before purchase, so please be sure to comment.