Yes the phone has been examined; if you want a similar story that has been made public even more recently with a french researcher:
https://www.nytimes.com/2025/03/20/world/europe/us-france-scientist-entry-trump-messages.html
And without the paywall:
https://web.archive.org/web/20250326185408/https://www.nytimes.com/2025/03/20/world/europe/us-france-scientist-entry-trump-messages.html