Use Windows “Safely Remove Hardware” before physically removing the card. Then re-enable automount in diskpart (automount enable).
You have three radio buttons:
For 99% of users, choose Product mode.
PhoenixCard is a free utility software designed primarily for creating bootable SD cards for Android devices. It is widely used in the embedded development community (specifically for Allwinner chipset devices like A10, A20, A31, etc.).
Unlike standard imaging tools (like Etcher or Win32DiskImager) which simply write an image to a card, PhoenixCard has a unique feature: USB Burning Mode creation. It can format an SD card into a special production mode image that allows a device to be "unbricked" or flashed via OTG cable even if the onboard storage is corrupted. phoenixcard 4.2.5 download
PhoenixCard needs exclusive access to the SD card. If Windows auto-mounts partitions, the burn will fail.
Version 4.2.5 is one of the most popular legacy releases. While newer versions exist, 4.2.5 is favored by many technicians because: For 99% of users, choose Product mode
Run as admin and insert the SD card after launching PhoenixCard. Also, check if your SD reader is detected in Device Manager.
Before you download, understand what this tool offers: Run as admin and insert the SD card