ZX-Uno

First, review the pads solders, the ones that I have indicated in this image.
The SRAM is U3, but it does not have to fail, it can be a fault in the solders, if you are sure it is well solded then you must replace U3.

I improved February on IS61WV20488BLL and now I have such a screen
is this error caused by W25Q128 ?

Yes, should give OK even if it is not flashed.

What should the U2 system be? because I used W25Q128FVSSIG, is this the correct layout?

Yes is the correct.

I have replaced it with the new 25Q128FVSG and it is still the same error, what can I check?

rework the welds in the FPGA

Thanks for the hint, but during the soldering I damaged the FPGA now I have to order a new one and this will take a while.