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Verify the current domain
Check the page address for spelling changes.
Check the device and file source, follow installation and first-launch steps, then sign in, select a route, and connect.
Check the page address for spelling changes.
Use Settings or the About page on the device.
Do not mix files between platforms.
Continue only after confirming the source.
Launch from the system app list after install.
Wait for connected status before use.
| Symptom | Check first | Then try |
|---|---|---|
| File is damaged or will not open | Delete the current file | Download it again from the entry |
| Unknown-source warning | Recheck domain and file source | Do not install if uncertain |
| Security software blocks it | Read the object and reason | Do not disable all protection |
Choose the matching system version and review installation requirements.