If you observe that your LG Optimus 3D Cube SU870 stays frozen and takes too much time to open any games on your smartphone?

Maybe because your device is overloaded, and you have thought about restarting quickly to free up its RAM memory. The previous mobile phones come with battery removal options so that users can easily take out the battery and insert the battery in case the mobile phone hangs. But nowadays, all the latest mobile devices come with non-removal battery options. So you may think that rebooting your smartphone may be complicated.

This blogpost will guide you with three easy steps to restart your LG Optimus 3D Cube SU870 phone.

How to restart your LG Optimus 3D Cube SU870:

Rebooting LG Optimus 3D Cube SU870 does not delete any data from your phone. In case you want to erase all data from your smartphone, you can check out here.

You should keep in mind that you must know your mobile’s PIN for LG Optimus 3D Cube SU870, as it will ask you for it when your smartphone is turned on again.

  1. Press & Hold the Power/Unlock Button on your LG Optimus 3D Cube SU870 until you see your mobile device’s screen with a few options.
  2. Choose the Restart or Reboot menu among the various options on your LG Optimus 3D Cube SU870’s screen. (If it’s asking for confirmation, tap on accept)
  3. Now your smartphone will turn off & on again to perform the restart. Wait for a couple of seconds, and now it will ask you for your device’s unlock code or fingerprint.

Once you confirm your mobile device’s password on your phone, it’s successfully restarted now.

Troubleshooting guide for rebooting the LG Optimus 3D Cube SU870:

How to restart your LG Optimus 3D Cube SU870 if it’s not responding?

Sometimes, your mobile phone performs slow while playing a game or doing some heavy task on LG Optimus 3D Cube SU870. You can not continue the current task on your smartphone. At that time, you will need to proceed with rebooting your LG Optimus 3D Cube SU870 using physical buttons.

Suppose you want to do a force reboot of your LG Optimus 3D Cube SU870; press and hold the power button for at least 8 to 10 seconds until you see Android Logo or LG logo appearing on your screen. Now release the button to let it start again.

Sometimes, your device is not responding even with physical buttons. You can not even force reboot your LG Optimus 3D Cube SU870. There are chances that your smartphone has a low battery. The only solution in that case, is to connect your charging wire and try again.

If you still see LG Optimus 3D Cube SU870 not responding even after following the above guidelines and you see it has entered into boot loop mode, there may be chances that there is some issue with your mobile device. You should take it to the nearby LG service center.

We hope this article posted on this site about how to restart LG Optimus 3D Cube SU870 has helped you. Please share it to help more LG Optimus 3D Cube SU870 users.

LG Optimus 3D Cube SU870


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Marry Stuart
Marry is a content editor at TheAndroidPortal.com. She is an android developer and a mother of 2 children and love to live a geeky lifestyle.