Problem network s23 ultra

[Sami_02]

Hello guys hope can someone help me with my phone s23 ultra after last update network is very bad i can't reach 4g very wel and powerful can someone help me plllz

[sardorS23]

Same Bro. Do you find solving ?

[Winnwe99]

Please did you find any solution?

[sardorS23]

I go to the master and he replace "sim card chip from radio block " .

Now everything working.  But it took 30$. And big risk. 50/50.

If you phone have unexpired guarantee pls take it Samsung Center in your country.