diff --git a/config.yaml.example b/config.yaml.example
index a830119..61b7bd6 100644
--- a/config.yaml.example
+++ b/config.yaml.example
@@ -39,7 +39,7 @@ mesh:
   # Global flood policy - controls whether the repeater allows or denies flooding by default
   # true = allow flooding globally, false = deny flooding globally
   # Individual transport keys can override this setting
-  global_flood_allow: false
+  global_flood_allow: true
 
 radio:
   # Frequency in Hz (869.618 MHz for EU)
@@ -147,8 +147,8 @@ storage:
 
 
 letsmesh:
-  enabled: true
-  iata_code: "test"  # e.g., "SFO", "LHR", "test"
+  enabled: false
+  iata_code: "Test"  # e.g., "SFO", "LHR", "Test"
   broker_index: 0                  # Which LetsMesh broker (0=EU, 1=US West)
   status_interval: 60
   
diff --git a/manage.sh b/manage.sh
index 98bc01d..4435349 100644
--- a/manage.sh
+++ b/manage.sh
@@ -567,7 +567,7 @@ import yaml
 from collections import OrderedDict
 
 def merge_yaml_configs(user_config_path, example_config_path, output_path):
-    """Merge user config with new example config, preserving user values"""
+    """Merge user config with new example config, preserving user values and protecting critical sections"""
     try:
         # Load user config
         with open(user_config_path, 'r') as f:
@@ -577,9 +577,16 @@ def merge_yaml_configs(user_config_path, example_config_path, output_path):
         with open(example_config_path, 'r') as f:
             example_config = yaml.safe_load(f) or {}
         
+        # Sections to preserve completely from user config (don't overwrite with example)
+        protected_sections = ['radio', 'sx1262']
+        
         # Deep merge function
         def deep_merge(base, overlay):
             for key, value in overlay.items():
+                # Skip protected sections - keep user's version completely
+                if key in protected_sections:
+                    continue
+                    
                 if key in base and isinstance(base[key], dict) and isinstance(value, dict):
                     deep_merge(base[key], value)
                 elif key not in base:
@@ -589,6 +596,12 @@ def merge_yaml_configs(user_config_path, example_config_path, output_path):
         # Start with example config as base (gets all new sections)
         merged = deep_merge(dict(example_config), user_config)
         
+        # Explicitly preserve protected sections from user config
+        for section in protected_sections:
+            if section in user_config:
+                merged[section] = user_config[section]
+                print(f"    ✓ Preserved user {section} configuration")
+        
         # Write merged config
         with open(output_path, 'w') as f:
             yaml.dump(merged, f, default_flow_style=False, indent=2)