For the most up-to-date firmware and community support, the EEVblog "$20 LCR ESR Transistor checker" thread is the definitive resource.
If the device freezes or gives incorrect readings: lcr t7 firmware
Additionally, keep your firmware updated by watching the GitHub repositories. The community adds support for new displays, fixes rare bugs (e.g., high ESR errors on polymer caps), and improves inductance linearity. For the most up-to-date firmware and community support,