There is no widely available, device-specific custom ROM (like LineageOS or Pixel Experience) built exclusively for the Infinix Zero X Neo (X6810)
– first boot takes 5–10 minutes.
There is currently no official "stable" custom ROM built specifically for the Zero X Neo infinix zero x neo custom rom
Keep an eye on the developer "Nishant Kunal" and "JMP" — they maintain the most stable kernel sources for the X6811. There is no widely available, device-specific custom ROM