I made Passport Photo LoRA. This LoRA will change your char into formal passport photo style that you'll found on administrative things like passport, job recruitments, wedding administrative, government services, and tax administrative. It's not perfect especially on background but you can experiment with this LoRA.
Trigger Word:
passport_photo_styleSettings I Used:
Sampling steps: 20 - 22
Sampling methods: DPM++ 2M SDE Karras
CFG Scale : 5 - 7
Resolution: 640x768
I'm using HiRes with denoising strength of 0.5 - 0.6. Upscaled with 1.55x
Weight: 0.9 - 1
I recommended to use 1