How to Upgrade to Parrot Pro Upgrading to Parrot Pro is very easy. Simply open the sidebar menu on the left by tapping the 3 lines in the top left. Then click the up arrow next to Subscription: Free. Tap buy in the bottom right to start your purchase! Have more questions? Submit a request 2 Comments Date Votes 1 noelgerald October 14, 2017 19:59 Have purchase also on my BlackBerry Z30. Only paid $1.89. For lifetime pro. When loaded on my new Dtek50 BlackBerry it charges me $1.89 per month. Please advise. Gerald. 0 Jacques December 01, 2017 14:06 J'ai souvent le message : " L'application s'est malheureusement arrêtée " qui s'affiche à l'écran de mon téléphone Sony Xperia Z Please sign in to leave a comment.