Most YG300 units are sold on AliExpress, Banggood, or Amazon. Message your seller:
These sources should be approached carefully, but they have provided working files for some users. yg300 firmware link
Click “Download.” Wait for a green checkmark. Do not disconnect during the process. Most YG300 units are sold on AliExpress, Banggood, or Amazon
: Place the update file (e.g., update.zip ) into the root directory (not inside a folder) of the USB drive. Do not disconnect during the process
If your unit is a Magcubic or XGODY variant (common rebrands), you can sometimes find forced flash files on their official blog pages . General Update Process (If you find a file) If you do obtain a .bin or .img file: Format a USB drive to FAT32 . Place the file in the root directory (not in a folder).
Manufacturer Support Pages: Brands like Artlii often host downloads for their specific versions.