Troubleshoot mobile OS, email and application issues

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Troubleshoot mobile operating-system issues such as failed boot, frozen interface, poor performance, storage exhaustion, battery drain, update failures, and sync problems using platform-appropriate settings and support steps.
Diagnose mobile email problems including incorrect server settings, authentication failures, send or receive errors, attachment issues, sync delays, certificate prompts, and network-dependent mail behavior.

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Apply corrective actions including force stop, clear cache or app data where appropriate, update or reinstall the app, restart the device, remove and recreate accounts, reset network settings, or perform backup-aware reset procedures.

Verify normal mobile operation after remediation, including connectivity, account sync, application behavior, notifications, and preservation or restoration of user data where applicable.

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