Iam already have a uphold verified account, how come when it comes to brave reward uphold verification, it say iam not verified and my country is not supported

It’s because Phillipines isn’t supported by Brave for Rewards verification at this moment.
You can check the list at
https://support.brave.com/hc/en-us/articles/6539887971469-Supported-regions-for-verifying-Brave-Rewards-with-a-custodial-account-provider-

Also there’s some important info at

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For new information, check bottom comment. Otherwise can review some of the below to see overall status since July 26, 2022. Brave’s List of Supported Countries OLD UPDATES BELOW: Can’t add more since April 4, 2023. Update: April 4, 2023 Only because it’s been a little while since I gave an update, thought I’d just do a small post. At this point they still have nothing solid to say about adding countries again, the new partner(s) they are hoping to add, or even of an ETA for the sunsetting of v…