Well, sometimes you can find the raw version on certain foreign manga platforms. But keep in mind that accessing unauthorized content could be against the law. It's better to look for official channels or licensed providers.
You can start by checking popular manga aggregator websites. Sometimes, they have links to the raw version. Another option is to follow the official social media accounts related to the manhwa, they might give hints on where to find it. But keep in mind, accessing raw versions from unauthorized sources might violate copyright laws.
I think your best bet would be to search on obscure manga aggregator sites. However, make sure you're accessing legal and trusted sources. Another option could be reaching out to manhwa fan communities and asking for their suggestions.
It's not that complicated. You need to find reliable sources for the raw manhwa, make sure your device is compatible, and then follow the instructions provided on the source site.