Yettr6 User Guide Fix -

Let the device drain to 0%, then charge it to 100% uninterrupted. This recalibrates the internal battery meter. 4. Unresponsive Interface (Frozen Screen)

Check the official app for a firmware update. Manufacturers often release patches specifically to optimize power consumption. yettr6 user guide fix

Connect your Yettr6 to a computer via the original USB-C cable. Often, the "data handshake" with a PC or Mac will kick the device out of its frozen state. Let the device drain to 0%, then charge

Ensure you are on a 2.4GHz band if your router splits signals. The Yettr6 often struggles with 5GHz congestion. Let the device drain to 0%