How can I convert trt file to pd/onnx file?

I run a trt file on 1080ti GPU ,error: [E] [TRT] INVALID_CONFIG: The engine plan file is generated on an incompatible device, expecting compute 6.1 got compute 7.5, please rebuild.
The trt file build on 2080TI GPU,How can I convert the trt file for 1080 or 3090 GPU? (trtexec command line OK?)