Recommended settings:

• Sampler: DPM++ 2M Karras, DPM++ 2M SDE Karras, Euler a
• Steps: 30~40
• CFG Scale: 6~7
• Clip skip: 1

Default Negative Prompt:

low quality, worst quality, normal quality, text, signature, jpeg artifacts, old, early, copyright name, watermark, artist name, signature