Modifier/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context=".MainActivity">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="20dp">


            <com.google.android.material.textfield.TextInputLayout
                style="@style/Widget.MaterialComponents.TextInputLayout.FilledBox.ExposedDropdownMenu"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:hint="Server">

                <com.google.android.material.textfield.MaterialAutoCompleteTextView
                    android:id="@+id/et_server"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content" />

            </com.google.android.material.textfield.TextInputLayout>


            <com.google.android.material.button.MaterialButton
                android:id="@+id/btn_server"
                android:layout_width="match_parent"
                android:layout_height="56dp"
                android:layout_marginTop="16dp"
                android:text="Save" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:orientation="horizontal">

                <com.google.android.material.textfield.TextInputLayout
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:hint="MCC">

                    <com.google.android.material.textfield.TextInputEditText
                        android:id="@+id/et_mcc"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:inputType="number"
                        android:lines="1" />
                </com.google.android.material.textfield.TextInputLayout>

                <com.google.android.material.textfield.TextInputLayout
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="16dp"

                    android:layout_weight="1"
                    android:hint="MNC">

                    <com.google.android.material.textfield.TextInputEditText
                        android:id="@+id/et_mnc"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:inputType="number"
                        android:lines="1" />
                </com.google.android.material.textfield.TextInputLayout>

                <com.google.android.material.textfield.TextInputLayout
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="16dp"
                    android:layout_weight="1"
                    android:hint="Country">

                    <com.google.android.material.textfield.TextInputEditText
                        android:id="@+id/et_country"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:lines="1" />
                </com.google.android.material.textfield.TextInputLayout>
            </LinearLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:hint="Number">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/et_number"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:inputType="number"
                    android:lines="1" />
            </com.google.android.material.textfield.TextInputLayout>


            <com.google.android.material.textfield.TextInputLayout
                android:id="@+id/tl_iccid"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:hint="ICCID"
                app:endIconDrawable="@drawable/refreshoutlined"
                app:endIconMode="custom"
                app:endIconTint="@color/design_default_color_primary_dark">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/et_iccid"
                    android:layout_width="match_parent"

                    android:layout_height="wrap_content"
                    android:inputType="number"
                    android:lines="1" />
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:id="@+id/tl_imei"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:hint="IMEI"
                app:endIconDrawable="@drawable/refreshoutlined"
                app:endIconMode="custom"
                app:endIconTint="@color/design_default_color_primary_dark">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/et_imei"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:inputType="number"
                    android:lines="1" />
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:id="@+id/tl_imsi"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:hint="IMSI"
                app:endIconDrawable="@drawable/refreshoutlined"
                app:endIconMode="custom"
                app:endIconTint="@color/design_default_color_primary_dark">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/et_imsi"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:inputType="number"
                    android:lines="1" />
            </com.google.android.material.textfield.TextInputLayout>


            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="70dp"
                android:layout_marginTop="32dp"
                android:gravity="center"
                android:orientation="vertical">

                <com.google.android.material.progressindicator.CircularProgressIndicator
                    android:id="@+id/progress_save"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:indeterminate="true"
                    android:visibility="gone" />

                <com.google.android.material.button.MaterialButton
                    android:id="@+id/btn_save"
                    android:layout_width="match_parent"
                    android:layout_height="56dp"
                    android:text="Save" />
            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:gravity="center"
                android:orientation="horizontal">

                <CheckBox
                    android:id="@+id/cb_gsf"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="GSF"></CheckBox>

                <CheckBox
                    android:id="@+id/cb_gms"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="GMS"></CheckBox>

                <CheckBox
                    android:id="@+id/cb_sms"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="SMS"></CheckBox>
            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="70dp"
                android:gravity="center"
                android:orientation="vertical">

                <com.google.android.material.progressindicator.CircularProgressIndicator
                    android:id="@+id/progress_clear"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:indeterminate="true"
                    android:visibility="gone" />

                <LinearLayout
                    android:id="@+id/ll_btn"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal">

                    <com.google.android.material.button.MaterialButton
                        android:id="@+id/btn_clear"
                        android:layout_width="0dp"
                        android:layout_height="56dp"
                        android:layout_weight="1"
                        android:text="Clear" />

                    <com.google.android.material.button.MaterialButton
                        android:id="@+id/btn_stop"
                        android:layout_width="0dp"
                        android:layout_height="56dp"
                        android:layout_marginLeft="16dp"
                        android:layout_weight="1"
                        android:text="Stop" />
                </LinearLayout>


            </LinearLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:hint="OTP">

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/et_otp"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:inputType="number"
                    android:lines="1" />
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.button.MaterialButton
                android:id="@+id/btn_send"
                android:layout_width="match_parent"
                android:layout_height="56dp"
                android:layout_marginTop="16dp"
                android:text="Send" />
        </LinearLayout>
    </ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>