Oppo
Delete Single or Multiple Contacts auf Oppo
Deleting contacts on an Oppo phone running Coloros works through the built-in Contacts app, which handles both single entries and batch removal in the same flow. Instead of opening a contact and deleting it, then repeating that for every unwanted entry, you can hold down on one contact to trigger selection mode and add more names before removing them together.
The steps are the same whether you remove one contact or twenty: Tap on Contacts ➤ Tap and hold a Contact ➤ If desired, select other Contacts ➤ Tap on Delete ➤ Tap on Move to Trash.
Contacts moved this way land in a trash folder rather than disappearing instantly, which gives you a short window to recover an entry you deleted by mistake. This matters if you manage shared family devices or frequently clean up old numbers, since an accidental multi-select can otherwise wipe out contacts you still need.
If a contact keeps reappearing after deletion, it is usually synced from a linked account rather than stored only on the device, and removing it permanently requires unlinking that sync source first.