diff --git a/README.md b/README.md
index efe50b7..8e05221 100644
--- a/README.md
+++ b/README.md
@@ -245,7 +245,21 @@ By default, script build the version as recommended by Revanced team.
fact to define your normal configurations in `.env` file and sometimes if you want to build something different just
once. Add it in `GitHub secrets`.
Or you can ignore what I said above and always use `GitHub secrets`.
-13. Sample Envs
+13. If APKMirror or other apk source is blocked in your region or script somehow is unable to download from apkmirror.
+ You can download apk manually from any source. Place them in `/apks` directory and provide environment variable
+ in `.env` file or in `ENVS` in `GitHub secrets`(Recommended) in the format.
+ ```dotenv
+ EXISTING_DOWNLOADED_APKS=
+ ```
+ Example:
+ ```dotenv
+ EXISTING_DOWNLOADED_APKS=youtube,youtube_music
+ ```
+ If you add above. Script will not download the `Youtube` & `youtube music`apk from internet and expects an apk in
+ `/apks` folder.
+
+ Name of the downloaded apk must match with the available app choices found [here.](#note)
+14. Sample Envs
Thanks to [@aliharslan0](https://github.com/aliharslan0/pyrevanced) for his work.
diff --git a/src/config.py b/src/config.py
index ab80c33..7b4e0d8 100644
--- a/src/config.py
+++ b/src/config.py
@@ -80,3 +80,4 @@ class RevancedConfig:
self.alternative_youtube_music_patches = env.list(
"ALTERNATIVE_YOUTUBE_MUSIC_PATCHES", []
)
+ self.existing_downloaded_apks = env.list("EXISTING_DOWNLOADED_APKS", [])
diff --git a/src/downloader.py b/src/downloader.py
index 3c3a1b8..939f871 100644
--- a/src/downloader.py
+++ b/src/downloader.py
@@ -263,8 +263,12 @@ class Downloader(object):
:param version: version to download
:param app: App to download
- :return: Version of apk
+ :return: Version of apk.
"""
+ if app in self.config.existing_downloaded_apks:
+ logger.debug("Will not download apk from the internet as it already exist.")
+ # Returning Latest as I don't know, which version user provided.
+ return "latest"
if app in self.config.upto_down:
return self.upto_down_downloader(app)
elif app in self.config.apk_pure: