Even without a clue about the technical specifications, chances of that device getting supported are effectively zero (in all capital letters) - just on the basis of PON ports and telephony features (Broadcom heritage is likely, MaxLinear wouldn't be much better, nor would be EcoNet).
@frollic@slh
I have got the firmware how do I upload it
and I got it from tplink (because it is a ISP issue model) can there be any identifiable info in firmware file