If your Yettr6 isn't talking to your app or local network, the handshake protocol has likely timed out.
Use the provided USB-C cable and a charger (not a fast charger). Charge 4 hours before first use. yettr6 user guide fix
If none of the above fixes work, you likely have a failed PMIC or NAND flash. Contact Yettr6 support with the error code from the serial console (see Part 7). Provide them the output of the dump_errors command — this alone will save you two weeks of RMA time. If your Yettr6 isn't talking to your app
Go to your device settings, "Forget" the Yettr6, and initiate a fresh pairing sequence. 3. Rapid Battery Drain If none of the above fixes work, you
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.