Did that through menu option 'Clear data': Settings - PVR & Live TV - General - Clear data
But this doesn't help.
Also: TvhClient on iPad and iPhone also shows the wrong channel logos
Notice all three clients show different icons:
NPO 2 HD (npo2hd.png)
iPhone: ZDF HD
iPad: ZDF HD
Kodi: correct
NPO 3 HD (npo3hd.png)
iPhone: correct
iPad: ESPN3
Kodi: ESPN3
RTL 7 HD (rtl7hd.png)
iPhone: correct
iPad: Z-Docu
Kodi: Z-Docu
NET 5 HD (net5hd.png)
iPhone: correct
iPad: correct
Kodi: CNBC Europe