If your goal is to manage or restore your iPhone, it is highly recommended to use official Apple software: Apple Devices / iTunes: Official Apple Support site
For standard device maintenance and software issues, it is safer to use official Apple methods: iOS Updates Settings > General > Software Update download and install the latest official firmware. Recovery Mode : Use official shortcuts or tools like Tenorshare ReiBoot to enter or exit recovery mode safely. App Sideloading free iphone gsm tool v26 install