Yg300 Firmware Verified Online
Disable signature verification in PhoenixSuit preferences. Check the box "Allow Unsigned Firmware." This is common for Chinese OEM builds.
The firmware update process is generally similar for both, but you'll want to look for files specific to your model to avoid any issues. yg300 firmware
Access the menu via Settings -> System or Option and choose Factory Reset . Disable signature verification in PhoenixSuit preferences
If you’d like, I can: