On PC you can use Konami code - it will fully unlock the gallery and bring back everything that was deleted due to the bug connected to name change.
On the phone — please wait for the next public release, it will have a special button that unlocks the gallery.
P.S. Type konami code with your keyboard in the main menu of the game (🢁 🢁 🢃 🢃 🢀 🢂 🢀 🢂 🅱️ 🅰️)