Hot fixes for MeshCore v1.12.0
- Heltec v4: Fixed to cut power of OLED when OLED is off to save 26mA.
https://github.com/meshcore-dev/MeshCore/issues/1558
https://github.com/meshcore-dev/MeshCore/pull/1569

- Heltec v4: Fixed to support UART console to view console and flash without pressing PRG+RST.
https://github.com/meshcore-dev/MeshCore/pull/1335

- TBeam SX1262: Fixed and added missing companion firmware due to insufficient DRAM.
https://github.com/meshcore-dev/MeshCore/issues/1526

Notes: 
- Provided by IoTThinks.com for community
- No warranty is provided. You can test and feedback.
- Instruction to upgrade custom firmware: https://github.com/IoTThinks/EasySkyMesh/blob/main/firmware/Instruction-to-flash-firmware.md