From 09dd092ec23105cb502ab8c4525fbe08d5934524 Mon Sep 17 00:00:00 2001
From: Devesh Pal <newdev0@outlook.com>
Date: Wed, 27 Jul 2022 23:23:38 +0530
Subject: [PATCH] Support sending 4GB file.

---
 telethon/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/telethon/utils.py b/telethon/utils.py
index 7d058518..e4d25f91 100644
--- a/telethon/utils.py
+++ b/telethon/utils.py
@@ -1341,7 +1341,7 @@ def get_appropriated_part_size(file_size):
         return 128
     if file_size <= 786432000:  # 750MB
         return 256
-    if file_size <= 2097152000:  # 2000MB
+    if file_size <= 4294967000:  # 4000MB
         return 512
 
     raise ValueError('File size too large')