diff --git a/tools/cp-caps/rcp_caps_test.py b/tools/cp-caps/rcp_caps_test.py
index 4c36937c6..ef12e91dd 100644
--- a/tools/cp-caps/rcp_caps_test.py
+++ b/tools/cp-caps/rcp_caps_test.py
@@ -880,11 +880,14 @@ class RcpCaps(object):
 
     def __radio_receive_task(self, receiver: OTCI, number: int, result_queue: queue):
         try:
+            receiver.set_execute_command_retry(0)
             result = receiver.diag_radio_receive_number(number)
         except ExpectLineTimeoutError:
             pass
         else:
             result_queue.put(result)
+        finally:
+            receiver.set_execute_command_retry(OTCI.DEFAULT_EXEC_COMMAND_RETRY)
 
     def __test_diag_frame(self):
         frame = self.Frame(name='diag frame 00010203040506070809', tx_frame='00010203040506070809', dst_address='-')
diff --git a/tools/otci/otci/command_handlers.py b/tools/otci/otci/command_handlers.py
index 7018a38f3..e9cf989f4 100644
--- a/tools/otci/otci/command_handlers.py
+++ b/tools/otci/otci/command_handlers.py
@@ -330,7 +330,12 @@ class OtbrAdbCommandRunner(OTCommandHandler):
         return self.shell(cmd, timeout=timeout)
 
     def shell(self, cmd: str, timeout: float) -> List[str]:
-        raw_out = self.__adb.shell(cmd, transport_timeout_s=timeout, read_timeout_s=timeout, timeout_s=timeout)
+        from adb_shell.exceptions import UsbReadFailedError, AdbTimeoutError
+
+        try:
+            raw_out = self.__adb.shell(cmd, transport_timeout_s=timeout, read_timeout_s=timeout, timeout_s=timeout)
+        except (UsbReadFailedError, AdbTimeoutError):
+            raise ExpectLineTimeoutError(cmd)
 
         # Normalize ADB shell output for consistent line splitting.
         #   The ADB client may perform automatic newline conversion, potentially replace the '\n' with '\r\n'.