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Here I have LG Key4 2017 and let me show you how to enter download mode on the following device
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So, at the very beginning let's start by pressing a power key right here at the back
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of the device. Keep holding power button, let's choose power off and tap power off again just to
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confirm the whole operation. Afterwards you need to prepare a micro USB cable connected to your PC
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Here I have such a cable and afterwards you need to start holding volume up
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Still let's keep holding volume up on your device and while holding volume up connect
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your device by using micro USB cable. Keep holding volume up and as you can see the download mode just pops up
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So you can release volume up and as you can see by using the download mode you can try
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to update the firmware. So you can do it right now or you can simply quit download mode safely if you are not updating
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your device. So in order to quit this mode you have to disconnect your device by using your micro
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USB cable and simply remove the back cover and the battery just to restart your device
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Let me do it. But make sure that you are not downloading any firmware right now
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So let me just remove the battery just for about 2 seconds
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Then put back the back cover, press power key just to switch on the device
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The LG Q4 is turning on, let's wait a couple of seconds
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And that's it. Download mode just pops up so now you may start using LG Q4 2017
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