diff --git a/contact/ui/control_ui.py b/contact/ui/control_ui.py
index 262652d..235655e 100644
--- a/contact/ui/control_ui.py
+++ b/contact/ui/control_ui.py
@@ -1,5 +1,6 @@
 import base64
 import curses
+import ipaddress
 import logging
 import os
 import sys
@@ -122,6 +123,18 @@ def display_menu() -> tuple[object, object]:
         full_key = ".".join(transformed_path + [option])
         display_name = field_mapping.get(full_key, option)
 
+        if full_key.startswith("config.network.ipv4_config.") and option in {"ip", "gateway", "subnet", "dns"}:
+            if isinstance(current_value, int):
+                try:
+                    current_value = str(ipaddress.IPv4Address(current_value))
+                except ipaddress.AddressValueError:
+                    pass
+            elif isinstance(current_value, str) and current_value.isdigit():
+                try:
+                    current_value = str(ipaddress.IPv4Address(int(current_value)))
+                except ipaddress.AddressValueError:
+                    pass
+
         display_option = f"{display_name}"[: w // 2 - 2]
         display_value = f"{current_value}"[: w // 2 - 4]
 
diff --git a/contact/utilities/input_handlers.py b/contact/utilities/input_handlers.py
index 3233488..edb9d7c 100644
--- a/contact/utilities/input_handlers.py
+++ b/contact/utilities/input_handlers.py
@@ -536,7 +536,7 @@ def get_fixed32_input(current_value: int) -> int:
                 curses.napms(1500)
                 user_input = ""
 
-        elif key in (curses.KEY_BACKSPACE, 127):
+        elif key in (curses.KEY_BACKSPACE, curses.KEY_DC, 127, 8, "\b", "\x7f"):
             user_input = user_input[:-1]
 
         else:
diff --git a/contact/utilities/save_to_radio.py b/contact/utilities/save_to_radio.py
index b3bfdc3..0a42e8e 100644
--- a/contact/utilities/save_to_radio.py
+++ b/contact/utilities/save_to_radio.py
@@ -112,16 +112,23 @@ def save_changes(interface, modified_settings, menu_state):
         else:
             config_category = None
 
+        # Resolve the target config container, including nested sub-messages (e.g., network.ipv4_config)
+        config_container = None
+        if hasattr(node.localConfig, config_category):
+            config_container = getattr(node.localConfig, config_category)
+        elif hasattr(node.moduleConfig, config_category):
+            config_container = getattr(node.moduleConfig, config_category)
+        else:
+            logging.warning(f"Config category '{config_category}' not found in config.")
+            return
+
+        if len(menu_state.menu_path) >= 4:
+            nested_key = menu_state.menu_path[3]
+            if hasattr(config_container, nested_key):
+                config_container = getattr(config_container, nested_key)
+
         for config_item, new_value in modified_settings.items():
-            # Check if the category exists in localConfig
-            if hasattr(node.localConfig, config_category):
-                config_subcategory = getattr(node.localConfig, config_category)
-            # Check if the category exists in moduleConfig
-            elif hasattr(node.moduleConfig, config_category):
-                config_subcategory = getattr(node.moduleConfig, config_category)
-            else:
-                logging.warning(f"Config category '{config_category}' not found in config.")
-                continue
+            config_subcategory = config_container
 
             # Check if the config_item exists in the subcategory
             if hasattr(config_subcategory, config_item):