diff --git a/src/ios-deploy/ios-deploy.m b/src/ios-deploy/ios-deploy.m
index 41f0b933..22e21ecc 100644
--- a/src/ios-deploy/ios-deploy.m
+++ b/src/ios-deploy/ios-deploy.m
@@ -1175,7 +1175,7 @@ void write_lldb_prep_cmds(AMDeviceRef device, CFURLRef disk_app_url) {
             on_error(@"Failed to open %s", custom_script_path);
         }
         fwrite("\n", 1, 1, out);
-        char buffer[0x1000];
+        char buffer[262144]; // 256KB buffer for faster transfers
         size_t bytesRead;
         while ((bytesRead = fread(buffer, 1, sizeof(buffer), fh)) > 0)
         {
@@ -1244,7 +1244,7 @@ void server_callback(CFSocketRef s, CFSocketCallBackType callbackType, CFDataRef
     ServiceConnRef dbgServiceConnection = (ServiceConnRef)CFDictionaryGetValue(connection_properties, kDbgConnectionPropertyServiceConnection);
     CFSocketRef lldb_socket = (CFSocketRef)CFDictionaryGetValue(connection_properties, kDbgConnectionPropertyLLDBSocket);
 
-    char buffer[0x1000];
+    char buffer[262144]; // 256KB buffer for faster transfers
     int bytesRead;
     do {
         bytesRead = AMDServiceConnectionReceive(dbgServiceConnection, buffer, sizeof(buffer));
@@ -2171,6 +2171,31 @@ void copy_file_callback(AFCConnectionRef afc_conn_p, const char *name, read_dir_
     if (*local_name=='\0') return;
 
     if (reason == READ_DIR_FILE || reason == READ_DIR_FIFO) {
+        // Get remote file size using AFCFileInfoOpen
+        struct afc_dictionary *afc_dict_p = NULL;
+        long long remote_size = -1;
+
+        unsigned int code = AFCFileInfoOpen(afc_conn_p, name, &afc_dict_p);
+        if (code == 0) {
+            char *key, *val;
+            while((AFCKeyValueRead(afc_dict_p, &key, &val) == 0) && key && val) {
+                if (strcmp(key, "st_size") == 0) {
+                    remote_size = atoll(val);
+                    break;
+                }
+            }
+            AFCKeyValueClose(afc_dict_p);
+        }
+
+        // Check if local file exists and has the same size
+        struct stat local_stat;
+        if (remote_size >= 0 && stat(local_name, &local_stat) == 0) {
+            if (local_stat.st_size == remote_size) {
+                NSLogOut(@"%@ (skipped - already downloaded)", [NSString stringWithUTF8String:name]);
+                return;
+            }
+        }
+
         NSLogOut(@"%@", [NSString stringWithUTF8String:name]);
         afc_file_ref fref;
         int err = AFCFileRefOpen(afc_conn_p,name,1,&fref);
@@ -2188,7 +2213,7 @@ void copy_file_callback(AFCConnectionRef afc_conn_p, const char *name, read_dir_
             return;
         }
 
-        char buf[4096];
+        char buf[262144]; // 256KB buffer for faster transfers
         size_t sz=sizeof(buf);
 
         while (AFCFileRefRead(afc_conn_p,fref,buf,&sz)==0 && sz) {