My Samsung Z4 device freezes or encounters a fatal error. What do I do for this?

Last Update date : 2017.10.27


Try the following solutions. If the problem is still not resolved, contact a Samsung Service Centre.


Restarting the device

If your device freezes or hangs, you may need to close apps or turn off the device and turn it on again.


Forcing restart

If your device is frozen and unresponsive, press and hold the Power key and the Volume Down key simultaneously for more than 7 seconds to restart



Resetting the device

If the methods above do not solve your problem, perform a factory data reset.

On the Apps screen, tap Settings → Backup and reset → Factory data reset → Reset → OK. Before performing the factory data reset, remember to make backup copies of all important data stored in the device.

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