Hello, according to your description. Maybe you can try:
( 1 )Find in the Recently Deleted. Photos > Albums > Scroll down and find Recently Deleted > Type your password or use your Face ID > Choose your wanted one and tap Recover.
( 2 )Use iCloud backup if you enabled it. In iCloud Drive on iCloud.com, choose Recently Deleted, then click Recover All/ select the files you want to recover and click Recover.
( 3 )Use iTunes backup if you enabled it. Open Finder on your Mac and connect it to your iPhone, then open iTunes on Mac to select your iPhone on the left. Choose the files you want to restore and select Restore.
Hope you can find your files.
Also read: Recovering Deleted Photos on iPhone/ Windows/ Android/ Mac