Hello! I'm sorry to hear about what happened to your Oppo A54. It seems like your phone went through a factory reset, which is why all your apps, settings, and data were erased.
In this situation, there are a few things you can try to recover your lost data:
1. Check if Backup Exists: If you had previously set up a backup for your phone's data, you can try restoring from that backup. You can usually do this during the initial setup process after a factory reset.
2. Google Account Sync: If you had your Google account synced on your phone, some data like contacts, calendar events, and app data may have been backed up to your Google account. You can check if this data can be restored.
3. Third-Party Backup Solutions: If you were using a third-party backup app or service, check if you can restore your data from there.
4. Data Recovery Software: There are some data recovery software tools available that might help you recover lost data from your device. However, these tools may require root access to your phone, which can be complex and risky.
5. Professional Data Recovery Services: If the data is critical and you are unable to recover it using other methods, you may consider contacting professional data recovery services. They may be able to help retrieve your lost data, but this can be expensive.
It's essential to act quickly to increase the chances of successful data recovery. Remember not to write any new data to your phone before attempting to recover the lost data, as it may overwrite the deleted data.
I hope one of these methods helps you recover your lost data. Good luck!
PH