in this post there is differant name.
what name is correct for af9015'

this: opkg install --force-overwrite kernel-module-dvb-usb-af9015
or this that is in post: opkg install --force-overwrite kernel-module-v4l-dvb-module-dvb-usb-af9015


How to install a DVB-T stick with OpenPLi 4.0 IPTV ?

You need to know which chipset/dongle you have, then you can easily with 4 commands do all the job, you will need to send them with Telnet/SSH,

opkg update
opkg install --force-overwrite v4l-dvb-module-dvb-usb
opkg install --force-overwrite v4l-dvb-module-dvb-XXXXXXXXX
reboot

Where the v4l-dvb-module-dvb-XXXXXXXXX is the name below of your chipset/dongle.

Then to load the module for example do this :
modprobe XXXXXXXXX (= Module below, eg "smsusb")

or

insmod smsusb.ko
insmod smsmdtv.ko

The table of the Dongles recognized is (in green the name to add to the 3rd command above).

Abilis AS102 DVB receiver - v4l-dvb-module-dvb-as102 - dvb-as102
Afatech 9005 DVB-T USB1.1 stick - v4l-dvb-module-dvb-usb-af9005 - dvb-usb-af9005
Afatech AF9015 DVB-T - v4l-dvb-module-dvb-usb-af9015 - dvb-usb-af9015