LG LMX420QM Owners Manual - Page 125
Performing a boot-up, Resetting the device
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Message Possible causes Hangs up or Intermittent software/ freezes hardware problem Possible corrective measures 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. Performing a boot-up Press and hold the Power/Lock key and the Volume Down key for about 10 seconds to restart your device. Resetting the device If the methods above do not solve your problem, perform a factory data reset. On the settings screen, tap General Restart & reset Factory data reset. *Reset all settings for the device and delete data. Before performing the factory data reset, remember to make backup copies of all important data stored in the device. *If you registered a Google account to the device, you must sign in to the same Google account after resetting the device. Appendix 124
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