diff --git a/tests/pages/test_settings_page.py b/tests/pages/test_settings_page.py
index d8895055..583123fa 100644
--- a/tests/pages/test_settings_page.py
+++ b/tests/pages/test_settings_page.py
@@ -427,16 +427,18 @@ def test_set_first_tc_code(amigo, mocker):
         mocker,
         [
             BUTTON_ENTER,
-            BUTTON_PAGE,
             BUTTON_ENTER,
-        ],  # Skip TC Flash Hash at boot
+        ],  # Confirm TC Flash Hash at boot
     )
     ctx.tc_code_enabled = False
     settings_page = SettingsPage(ctx)
     settings_page.capture_from_keypad = mocker.MagicMock(return_value="123456")
     settings_page.enter_modify_tc_code()
     assert ctx.tc_code_enabled == True
-    assert mock_file.write_data == TC_CODE_EXTENDED_HASH
+    assert mock_file.previous_data[-1] == TC_CODE_EXTENDED_HASH
+    assert (
+        mock_file.write_data == '{"settings": {"security": {"boot_flash_hash": true}}}'
+    )
 
 
 def test_set_first_tc_code_not_match(amigo, mocker):
@@ -477,16 +479,18 @@ def test_set_new_tc_code(amigo, mocker):
         mocker,
         [
             BUTTON_ENTER,
-            BUTTON_PAGE,
             BUTTON_ENTER,
-        ],  # Skip TC Flash Hash at boot
+        ],  # Confirm TC Flash Hash at boot
     )
     ctx.tc_code_enabled = True
     settings_page = SettingsPage(ctx)
     settings_page.capture_from_keypad = mocker.MagicMock(return_value="123456")
     settings_page.enter_modify_tc_code()
     assert ctx.tc_code_enabled == True
-    assert mock_file.write_data == TC_CODE_EXTENDED_HASH
+    assert mock_file.previous_data[-1] == TC_CODE_EXTENDED_HASH
+    assert (
+        mock_file.write_data == '{"settings": {"security": {"boot_flash_hash": true}}}'
+    )
 
 
 def test_wrong_code_set_new_tc_code(amigo, mocker):
diff --git a/tests/shared_mocks.py b/tests/shared_mocks.py
index 8f7db967..0ed8bb32 100644
--- a/tests/shared_mocks.py
+++ b/tests/shared_mocks.py
@@ -10,6 +10,7 @@ class MockFile:
 
     def __init__(self, data=b""):
         self.data = data if isinstance(data, bytes) else data.encode()
+        self.previous_data = []
         self.position = 0
         self.write_data = bytearray()
         self.mode = "rb"
@@ -20,8 +21,12 @@ def __init__(self, data=b""):
 
     def set_mode(self, mode):
         self.mode = mode
+        if self.write_data:
+            self.previous_data.append(self.write_data)
         if "b" not in mode:
             self.write_data = ""
+        else:
+            self.write_data = bytearray()
 
     def seek(self, pos):
         self.position = pos