I migrated data when switching from OnePlus 6T to Google Pixel 6, so I’ll introduce the articles I referenced.

• How to Migrate Data When Switching to Pixel Smartphone - Easy Transfer Without Backup | Appllio (Pixelスマホへの機種変更でデータ移行する方法　バックアップなしで簡単に引き継げる | アプリオ)
• LINE Safe Transfer Guide | LINE (LINEあんぜん引き継ぎガイド｜LINE)

That’s all from the Gemba on migrating data when switching from OnePlus 6T to Google Pixel 6.