Here both have same Ishu m56

I think get new s25 ultra , cheap phone is totally scam , but new one fear about display line 

Same 

No one able to fix it only time pass or time waste

Same here this phone have smaller antenna size I Wana sale it now but value is very less , other device working fine , samsung not replacing or refund my my device it’s very bad , they don’t have solution device also over heating in one 5 connet