Do you have a paid subscription, or a 'Free' version?
With the 'Free' version you would need to recover images and presets from a phone backup-
If a paid subscription version- Did you use the same email and ID to login?
Regards. My System: Lr-Classic 12.3 Photoshop 24.5, ACR 15.3.1, Lightroom 6.3.1, Lr-iOS 8.0.8, Bridge 13.0.3, Windows-11.