Because it is a temporary log file, deleting cp_invite_trial.txt will not break your phone or crash your operating system. If you want to clean up your storage, follow these simple steps. Method 1: Using the Native File Manager Open your phone's default or File Manager app. Use the search bar at the top and type "cp_invite_trial" . Long-press on the file or folder when it appears. Tap the Delete (Trash) icon and confirm. Method 2: Clearing App Cache
The recipient can verify: sha256sum CP_Invite_Trial.txt CP Invite Trial txt