Fix an Android device that freezes or won't respond — by Google Android Help
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Step-by-step fixes for a frozen phone: force restart, updates, free storage, safe mode and factory reset as last resort.
Android
7 curated resources, easiest first.
Step-by-step fixes for a frozen phone: force restart, updates, free storage, safe mode and factory reset as last resort.
Basic steps when you cannot reach the internet over Wi-Fi or mobile data.
Troubleshoot Wi-Fi: toggle, restart, test other devices, forget the network and reboot the router.
Fixes for lag and slowness: check network, restart, update, free storage, force stop apps and use safe mode.
How to use safe mode on a Pixel to see whether a downloaded app is causing crashes or slowdowns.
Troubleshooting for Find Hub when a device cannot be located or location will not sync.
Key combination to enter and exit Safe Mode on a Samsung Galaxy and how to remove suspect apps.