Wanbo T2 Max Firmware Here

Why: Firmware update may have reset calibration data.

Fix:

No – OTA updates preserve user data and apps. However, a factory reset (recommended after major updates) will erase everything. Always back up your Google account and app logins. wanbo t2 max firmware

If the remote feels sluggish or unresponsive, it isn't always a battery issue. Why: Firmware update may have reset calibration data