UART not work After OP-TEE + AOSP (hikey960) flash

First, I flash OP-TEE 3.5.0(Linux)
It was worked well (UART Communication)

Second, I following hikey960 AOSP op-tee build ( and flash

After image flash, UART Communication was worked well,
but going back to optee + linux, uart doesn’t work.

If there is a factory reset method, please let me know.

Please help. Thanks in advance.