Žyma: Wi-Fi troubleshooting

Fix hotel Wi-Fi in China by testing signal, mobile data, captive portal login, DNS, app access, and account state in the right order.

Troubleshoot China high-speed rail mobile data, Wi-Fi login, DNS, app access, phone settings, and support evidence in order.

Fix China ride-hailing setup issues by checking signal, mobile data, Wi-Fi login, routing, app access, and account status in order.

Troubleshoot QR code access in China by checking signal, mobile data, Wi-Fi, routing, app access, and account state in order.

Fix business phone connectivity in China by testing signal, mobile data, Wi-Fi, routing, app access, and account state in order.

Diagnose student phone setup issues in China by checking signal, mobile data, Wi-Fi, DNS, app access, and account state.

Troubleshoot two-factor authentication in China by checking signal, mobile data, Wi-Fi, routing, apps, and account status.

Troubleshoot Shenzhen and Hong Kong phone connectivity by checking signal, mobile data, Wi-Fi, routing, apps, and account state.

Fix China transit layover phone issues in order: signal, mobile data, Wi-Fi login, routing, app access, and account state.