diff --git a/new_server_7003/api/batch.py b/new_server_7003/api/batch.py
index 4baec9f..31fc408 100644
--- a/new_server_7003/api/batch.py
+++ b/new_server_7003/api/batch.py
@@ -19,29 +19,27 @@ async def batch_handler(request: Request):
     if platform not in ["Android", "iOS"]:
         return HTMLResponse(content="Invalid platform", status_code=400)
 
-    query = batch_tokens.select().where(batch_tokens.c.token == token)
+    query = batch_tokens.select().where(batch_tokens.c.batch_token == token)
     result = await player_database.fetch_one(query)
 
     if not result:
         return HTMLResponse(content="Invalid token", status_code=400)
 
-    if result['expire_at'] < int(time.time()):
+    if result['expire_at'] < datetime.utcnow():
         return HTMLResponse(content="Token expired", status_code=400)
     
     uses_left = result['uses_left']
     if uses_left > 0:
         uses_left -= 1
-    
+        update_query = batch_tokens.update().where(batch_tokens.c.batch_token == token).values(
+            uses_left=uses_left,
+            updated_at=datetime.utcnow()
+        )
+        await player_database.execute(update_query)
+
     else:
-        uses_left = -1
         return HTMLResponse(content="No uses left", status_code=400)
     
-    update_query = batch_tokens.update().where(batch_tokens.c.token == token).values(
-        uses_left=uses_left,
-        updated_at=datetime.utcnow()
-    )
-    await player_database.execute(update_query)
-    
     with open(os.path.join('api/config/', 'download_manifest.json'), 'r', encoding='utf-8') as f:
             stage_manifest = json.load(f)
 
diff --git a/new_server_7003/api/file.py b/new_server_7003/api/file.py
index 41b1874..e34fb62 100644
--- a/new_server_7003/api/file.py
+++ b/new_server_7003/api/file.py
@@ -58,7 +58,7 @@ async def serve_file(request: Request):
 
     if os.path.isfile(file_path):
         # get size of file
-        if AUTHORIZATION_MODE != 0:
+        if AUTHORIZATION_MODE != 0 and not batch_result:
             file_size = os.path.getsize(file_path)
             await log_download(bind_result['user_id'], filename, file_size)
         return FileResponse(file_path)
diff --git a/various-tools/Asset preloading flutter app/server_checker/README.md b/various-tools/Asset preloading flutter app/server_checker/README.md
index e7875dd..c0a6da8 100644
--- a/various-tools/Asset preloading flutter app/server_checker/README.md	
+++ b/various-tools/Asset preloading flutter app/server_checker/README.md	
@@ -14,13 +14,15 @@ To use it, you need to
 
 4) Generate a `batch_token` in the database through some means (database edit, discord bot, etc.). The schema of the table is as follows: 
 
-- id: auto generated primary key, ignore
+- `id`: auto generated primary key, simply ignore
 
-- token: The key string itself. Required field
+- `batch_token`: The key string itself. Required field, String value
 
-- expire_at: Unix timestamp integer of the expiration time. Required field.
+- `expire_at`: Datetime string of when the token expires. Required field, String value (e.g. 2026-11-27 06:37:48.170791)
 
-- sid, verification_name, verification_id: Not required in the public version. Fields for bots to link with 3rd party accounts.
+- `uses_left`: Amount of uses the token can accrude before it stops working. Each time it queries the `/batch` api, this count will decrease by 1. Required field, Integer value.
+
+- `auth_id`, `created_at`, `updated_at`: Simply left blank for local uses.
 
 5) Open the app and enter the server base URL and token, click download and wait!
 
diff --git a/various-tools/Asset preloading flutter app/server_checker/pre-built/server_checker.ver.1.0.18.build.76_clone.apk b/various-tools/Asset preloading flutter app/server_checker/pre-built/7002.apk
similarity index 100%
rename from various-tools/Asset preloading flutter app/server_checker/pre-built/server_checker.ver.1.0.18.build.76_clone.apk
rename to various-tools/Asset preloading flutter app/server_checker/pre-built/7002.apk
diff --git a/various-tools/Asset preloading flutter app/server_checker/pre-built/7003.apk b/various-tools/Asset preloading flutter app/server_checker/pre-built/7003.apk
new file mode 100644
index 0000000..ec5820a
Binary files /dev/null and b/various-tools/Asset preloading flutter app/server_checker/pre-built/7003.apk differ
diff --git a/various-tools/full unlocked save/readme.txt b/various-tools/full unlocked save/readme.txt
index ec5fa1e..9fb4586 100644
--- a/various-tools/full unlocked save/readme.txt	
+++ b/various-tools/full unlocked save/readme.txt	
@@ -1,3 +1,23 @@
-This is a base64 string for the server to deliver the save data to the client (user table, data field)
+This is a base64 string for the server to deliver the save data to the client.
+
+It unlocks all the songs and difficulties. Avatars and items are not unlocked.
+
+For 7002 and prior:
+
+Paste the B64 string into `player.db`'s `user` table. 
+
+Find the row of your user and paste the content into the `data` field. 
+
+Save the database.
+
+
+For 7003:
+
+Open `player.db` and go to `accounts` table. Find the `id` of your account.
+
+Create a `save` folder at the server root directory if it is not already there.
+
+Create a new text file called `{YOUR_ACCOUNT_ID}.dat`, for example, `1.dat`.
+
+Open that file and paste the B64 string in, and save.
 
-It unlocks all the songs and difficulties.
\ No newline at end of file