How to set the option "Preferred network type" after upgrading to V2.21.40.44

For the product models with dual SIM slots, the option "Preferred network type" in “Settings” -> “More…” ->”Mobile networks” is only for the SIM card which is appointed to use for data service network after upgrading to V2.21.40.44

(After upgrade to V2.21.40.44)

(Before upgrade to V2.21.40.44: both SIM cards available for setting)