[LG Optimus 4X HD] mastershefis:
your status_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<com.android.systemui.statusbar.phone.PhoneStatusBarView android:id="@id/status_bar" android:background="@drawable/status_bar_background" android:focusable="true" android:fitsSystemWindows="true" android:descendantFocusability="afterDescendants"
xmlns:android="http://schemas.android.com/apk/res/android">
<com.android.systemui.TorchServiceView android:layout_gravity="top|left|center" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content" android:foreground="#ff000000" />
<com.android.systemui.statusbar.phone.BatteryIndicator android:layout_gravity="top" android:id="@id/battery_indicator" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="wrap_content" android:src="@drawable/battery_indicator" android:scaleType="fitXY" />
<com.android.systemui.statusbar.phone.BatteryIndicatorCharging android:layout_gravity="top|right|center" android:id="@id/battery_indicator_charging" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/battery_indicator_charging" />
<ImageView android:id="@id/notification_lights_out" android:paddingLeft="6.0dip" android:paddingBottom="2.0dip" android:visibility="gone" android:layout_width="@dimen/status_bar_icon_size" android:layout_height="fill_parent" android:src="@drawable/ic_sysbar_lights_out_dot_large" android:scaleType="center" />
<LinearLayout android:orientation="horizontal" android:id="@id/icons" android:paddingLeft="0.0dip" android:paddingRight="0.0dip" android:layout_width="fill_parent" android:layout_height="fill_parent">
<LinearLayout android:gravity="left" android:paddingRight="6.0dip" android:layout_width="0.0dip" android:layout_height="fill_parent" android:layout_weight="1.0">
<TextView android:textAppearance="@style/TextAppearance.StatusBar.Carrier" android:id="@id/carrier" android:layout_width="0.0dip" android:layout_height="0.0dip" android:singleLine="true" />
<LinearLayout android:id="@id/notification_icon_area" android:layout_width="wrap_content" android:layout_height="fill_parent">
<com.android.systemui.statusbar.StatusBarIconView android:id="@id/moreIcon" android:visibility="gone" android:layout_width="@dimen/status_bar_icon_size" android:layout_height="fill_parent" android:src="@drawable/stat_notify_more" />
<com.android.systemui.statusbar.phone.IconMerger android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/notificationIcons" android:layout_width="wrap_content" android:layout_height="fill_parent" />
</LinearLayout>
</LinearLayout>
<com.android.systemui.statusbar.policy.Clock android:textAppearance="@style/TextAppearance.StatusBar.Clock" android:textSize="13.0dip" android:gravity="left|center" android:id="@id/clock" android:paddingTop="0.5dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />
<LinearLayout android:gravity="right" android:paddingLeft="6.0dip" android:layout_width="0.0dip" android:layout_height="fill_parent" android:layout_weight="1.0">
<com.android.systemui.statusbar.NetworkSpeedView android:textAppearance="@style/TextAppearance.StatusBar.Clock" android:gravity="right|center" android:id="@id/network_speed_view" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="4.0dip" android:singleLine="true" />
<LinearLayout android:gravity="center" android:orientation="horizontal" android:id="@id/signal_battery_cluster" android:layout_width="wrap_content" android:layout_height="fill_parent">
<include android:id="@id/signal_cluster" android:layout_width="wrap_content" android:layout_height="wrap_content" layout="@layout/signal_cluster_view" />
</LinearLayout>
</LinearLayout>
<LinearLayout android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/statusIcons" android:layout_width="wrap_content" android:layout_height="fill_parent" />
<com.android.systemui.statusbar.phone.BatteryStatusIconView android:layout_gravity="center" android:id="@id/battery" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:id="@id/ticker" android:paddingLeft="6.0dip" android:animationCache="false" android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageSwitcher android:id="@id/tickerIcon" android:layout_width="@dimen/status_bar_icon_size" android:layout_height="@dimen/status_bar_icon_size" android:layout_marginRight="4.0dip">
<com.android.systemui.statusbar.AnimatedImageView android:layout_width="@dimen/status_bar_icon_size" android:layout_height="@dimen/status_bar_icon_size" android:scaleType="centerInside" />
<com.android.systemui.statusbar.AnimatedImageView android:layout_width="@dimen/status_bar_icon_size" android:layout_height="@dimen/status_bar_icon_size" android:scaleType="centerInside" />
</ImageSwitcher>
<com.android.systemui.statusbar.phone.TickerView android:id="@id/tickerText" android:paddingTop="2.0dip" android:paddingRight="10.0dip" android:layout_width="0.0dip" android:layout_height="wrap_content" android:layout_weight="1.0">
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" />
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" />
</com.android.systemui.statusbar.phone.TickerView>
</LinearLayout>
<LinearLayout android:gravity="center" android:id="@id/returnToDriveModeScreen" android:background="@drawable/status_bar_orange_bar_bg" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageView android:id="@id/driveModeIcon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="3.0dip" android:src="@drawable/status_bar_drive_mode_icon" />
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5.0dip" android:text="@string/drive_mode_tip" android:singleLine="true" android:layout_weight="1.0" />
<com.android.systemui.statusbar.policy.Clock android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:gravity="left|center" android:paddingRight="3.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />
</LinearLayout>
<LinearLayout android:gravity="center" android:id="@id/returnToRecorderScreen" android:background="@drawable/status_bar_red_bar_bg" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageView android:id="@id/recorderIcon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/status_bar_recorder_icon" />
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:id="@id/recorderTitle" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5.0dip" android:singleLine="true" android:layout_weight="1.0" />
<Chronometer android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:id="@id/recorderTimer" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5.0dip" android:singleLine="true" />
</LinearLayout>
<LinearLayout android:gravity="center" android:id="@id/returnToIncallScreen" android:background="@drawable/status_bar_green_bar_bg" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageView android:id="@id/callStateIcon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/status_bar_ic_return_to_incall_screen_normal" />
<TextView android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5.0dip" android:text="@string/return_to_incall_screen" android:singleLine="true" android:layout_weight="1.0" />
<LinearLayout android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/callIcons" android:layout_width="wrap_content" android:layout_height="fill_parent" />
<Chronometer android:textAppearance="@style/TextAppearance.StatusBar.PhoneTicker" android:id="@id/callTimer" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5.0dip" android:singleLine="true" />
</LinearLayout>
</com.android.systemui.statusbar.phone.PhoneStatusBarView>

your signal_cluster_view.xml

<?xml version="1.0" encoding="utf-8"?>
<com.android.systemui.statusbar.SignalClusterView android:orientation="horizontal" android:layout_width="wrap_content" android:layout_height="wrap_content"
xmlns:android="http://schemas.android.com/apk/res/android">
<LinearLayout android:layout_width="0.0dip" android:layout_height="fill_parent" android:layout_weight="1.0">
<ImageView android:gravity="center" android:id="@id/carrier_logo_id" android:layout_width="wrap_content" android:layout_height="fill_parent" android:src="@drawable/carrier_logo" android:scaleType="fitCenter" android:adjustViewBounds="true" />
</LinearLayout>
<FrameLayout android:id="@id/wifi_combo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="-6.0dip">
<ImageView android:id="@id/wifi_signal" android:layout_width="wrap_content" android:layout_height="wrap_content" android:scaleType="center" android:layout_alignParentRight="true" android:layout_centerVertical="true" />
<ImageView android:layout_gravity="bottom|center" android:id="@id/wifi_inout" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</FrameLayout>
<View android:id="@id/spacer" android:visibility="gone" android:layout_width="6.0dip" android:layout_height="6.0dip" />
<ImageView android:layout_gravity="center_vertical" android:id="@id/mobile_roam" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<FrameLayout android:layout_gravity="center_vertical" android:layout_width="wrap_content" android:layout_height="wrap_content">
<View android:visibility="invisible" android:layout_width="6.0dip" android:layout_height="6.0dip" />
<FrameLayout android:id="@id/mobile_combo" android:layout_width="wrap_content" android:layout_height="wrap_content">
<ImageView android:id="@id/mobile_signal" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ImageView android:id="@id/mobile_type" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ImageView android:layout_gravity="bottom|right|center" android:id="@id/mobile_inout" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</FrameLayout>
<ImageView android:id="@id/airplane" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<LinearLayout android:orientation="vertical" android:id="@id/mobile_combo_cdma" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content">
<FrameLayout android:layout_width="wrap_content" android:layout_height="wrap_content">
<ImageView android:id="@id/mobile_signal_evdo" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ImageView android:id="@id/mobile_type_evdo" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ImageView android:id="@id/mobile_inout_evdo" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</FrameLayout>
<FrameLayout android:layout_width="wrap_content" android:layout_height="wrap_content">
<ImageView android:id="@id/mobile_signal_cdma" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ImageView android:id="@id/mobile_type_cdma" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ImageView android:id="@id/mobile_inout_cdma" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</FrameLayout>
</LinearLayout>
</FrameLayout>
</com.android.systemui.statusbar.SignalClusterView>

put this on the end of the values/ids.xml

<item type="id" name="carrier_logo_id">false</item>
</resources>

and finally put your custom carrier logo to drawable-xhdpi. Right name is carrier_logo.png and be carefull, for better view do not resize height more then 48px!