LILYGO® TTGO T-Beam V1.1 ESP32 433 Lora mesh conection fail

Hello, I am using LILYGO® TTGO T-Beam V1.1 at EU433 setting with android meshtastic APP, and 1.2.45 firmware installed on ttgo t-beam, I am trying with differents range settings, and a lot of message are not transmitted event placed both T-beam un the same room separated a coulpe of meters, How can debug whats is the issue. also I try wit version 1.42 and works better but not stable.
I appreciated some guidences to debug it

the idea of meshstatic is excelent!

Thank you