I have an Iqoo 9 mobile which is running on Android 14But I want to downgrade I went to the service center 3-4 times but the tool was not working, I sent the bolt back I have a request to you, please provide me the android 13 ROM so that I can downgrade it myself And the ROM file is also available on the official website of iqoo I request you to provide me the link of android 13 rom