An EPG is schedule data supplied by the service or imported separately, then interpreted by the player.
Ask about compatibility
“Which player and login method are supported on my exact device for IPTV EPG and TV guide?” An EPG is schedule data supplied by the service or imported separately, then interpreted by the player.
Ask for a repeatable answer
“Can you confirm the current terms and a way to test this case?” Check the current time zone and whether the player successfully refreshed its guide.
Ask what changes
“If I renew or switch devices, what happens to the account, app fee and guide?” Assuming an empty guide means the video stream is down. Keep the answer with the order record.
What to do next
Open the relevant brand page and check the original supplier information before ordering. For a technical issue, write down the device, player, connection and one reproducible example. For a price question, ask for the full charge in the currency you will pay.