Make sure you have the latest app version, check if there is any new update on Google Play or App Store
Download Trust Wallet apk from trustwallet.com and drag it to your emulator. (app installed from Google Play won't work)
Open the dapp in Trust Wallet (1inch.io as example)
edge://inspect/#devices to inspect the web console
iOS doesn't support debugging app built for distribution, you can try to build this iOS demo in trust-web3-provider and check if it can connect to your DApp or not, please follow this guide to inspect.
If above doesn't help, please create an issue on trust-web3-provider and elaborate your question as detail as possible.
What's your app version and OS version?
Do you see any js error?
How to reproduce? please record a video if possible
what's the url of your dapp?