Show LWC in smartphone.

 <targetConfig targets="lightning__RecordPage">

<property name="recordpage_display" type="Boolean" default="true"></property>

<supportedFormFactors>

<supportedFormFactor type="Large"/>

<supportedFormFactor type="Small" />

</supportedFormFactors>

</targetConfig>

Set lwc xml target

pc: large

pad: medium

phone: small