"I never gave anyone (especially not the users of WhatsApp or Telegram) permission to upload my personal information to any cloud services."
On Android you do by granting rights to access your contacts and give full network permissions. So you never know what a program will do with your contacts and a network connection.
On Android you do by granting rights to access your contacts and give full network permissions. So you never know what a program will do with your contacts and a network connection.