Hi,
1 - That's right, the "file" custom field just allow to upload one single file.
Maybe an option will be added in the future to allow multiple file but some restrictions should be added too.
2 - Which setting are you talking about exactly ?
Can you provide a screenshot of your configuration ?
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.