Usar o APKPure APP
Obter o APK da versão antiga de Telegram File Downloader - Download Manager para Android
Baixar arquivos do Telegram @ 17mbps
• Download Telegram Files Faster
• Play videos while downloading.
• Best Downloader Application.
• Pause and resume downloads.
• Power Management and battery control.
• accelerated downloading by using multithreading
Source code
https://github.com/TachibanaGeneralLaboratories/download-navi