diff --git a/core/src/trezor/wire/thp/transmission_loop.py b/core/src/trezor/wire/thp/transmission_loop.py
index d0b5e18d7e..3fdb17ca77 100644
--- a/core/src/trezor/wire/thp/transmission_loop.py
+++ b/core/src/trezor/wire/thp/transmission_loop.py
@@ -8,8 +8,8 @@ from trezor.wire.thp.writer import write_payload_to_wire_and_add_checksum
 if TYPE_CHECKING:
     from trezor.wire.thp.channel import Channel
 
-MAX_RETRANSMISSION_COUNT = const(1)
-MIN_RETRANSMISSION_COUNT = const(1)
+MAX_RETRANSMISSION_COUNT = const(50)
+MIN_RETRANSMISSION_COUNT = const(2)
 
 
 class TransmissionLoop:
@@ -31,12 +31,12 @@ class TransmissionLoop:
             await write_payload_to_wire_and_add_checksum(
                 self.channel.iface, self.header, self.transport_payload
             )
-            # self.wait_task = loop.spawn(self._wait(i))
-            # try:
-            #    await self.wait_task
-            # except loop.TaskClosed:
-            #    self.wait_task = None
-            #    break
+            self.wait_task = loop.spawn(self._wait(i))
+            try:
+                await self.wait_task
+            except loop.TaskClosed:
+                self.wait_task = None
+                break
 
     def stop_immediately(self):
         if self.wait_task is not None: