Change signal strength color dual sim

Hi,
i spend hours and hours to find a solution for my problem but i´ve found nothing about this.

I want to change the color of the signal in the status bar for my two sim-cards (lollipop 5.0).

There are no PNGs in the systemUI so i thought it musst be changed in the xml-files.

I´ve found some xml named stat_sys_signal_*_fully_sim1_leui.xml / stat_sys_signal_*_fully_sim2_leui.xml. * count 0 till 4

In this xml it´s possible to set the color via #******** and i set it to hex-blue and red. But it does not works.

For example the original code of "stat_sys_signal_1_fully_sim1_leui.xml"

<?xml version="1.0" encoding="utf-8"?>
<vector android:height="14.0dip" android:width="13.0dip" android:viewportWidth="52.0" android:viewportHeight="56.0"
xmlns:android="http ://schemas.android.com/apk/res/android">
<group>
<path android:fillColor="#ffffffff" android: pathData="M 3,32h7v16h -7z" />
<path android:fillColor="#ffffffff" android: pathData="M 17,24h7v24h -7z" android:fillAlpha="0.4" />
<path android:fillColor="#ffffffff" android: pathData="M 45,8h7v28h -7z" android:fillAlpha="0.4" />
<path android:fillColor="#ffffffff" android: pathData="M 31,16h7v32h -7z" android:fillAlpha="0.4" />
<path android:fillColor="#ffffffff" android: pathData="M 50,38L 48,38 45,40 45,42 47,42 47,46 45,46 45,48 52,48 52,46 50,46 " />
</group>
</vector>

I´ve set all #ffffffff to #ff00afff but the colour aufter flashing is still white. :(

The systemUI is correct de- and recompiled!

Anybody a solution???

PS: Sorry for my english! :D

Regards Michael

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