UnverifiedUnder 5 reports — try it and file one
Passport appointment slots release in the evening, not the morning
Be logged in and waiting at the release time for your PSK.
Why it works
Slots are published in batches on a schedule that varies by centre. Morning refreshing catches an empty pool; the batch drop is when inventory actually exists.
Did it work for you?
One report per person. This is the only thing that moves the badge — there is no like button.