Make sure you have the latest app version, check if there is any new update on Google Play or App Store
We use vConsole on our test dapp: https://js-eth-sign.surge.sh/, click the bottom green vConsole button to see logs.
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)
Visit chrome://inspect/#devices or 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.