How do I get my adroid phone model #LM-X220PM unlocked when it is stuck on firmware update:

Do not unplug the usb connection until the process is complete

  • Are you sure that previously a firmware update was downloaded? Usually you can enter the upgrade screen by pressing certain key combinations at start-up. Therefore it is possible that you presst them accidentally when booting the phone or the keys are defect and therefore are detected as permanently pressed. – Robert Aug 11 '19 at 13:36
  • It looks like you may be able to hold volume down and power buttons simultaneously for up to or about 11 seconds to force it to change or maybe just power button. Secondary, it looks like it has a removable battery so can just remove it then put it back in and power on. If nothing here works then wait for the battery to run out, plug in to charge, and power back on. – CmosBattery Aug 11 '19 at 16:10
  • Can ypu take a photo of the screen and post here? It seems you are into the download mode. If that is so, and your phone has a removable battery, just take out the battery, reinsert it, and boot normally. – Wrichik Basu Aug 13 '19 at 15:31

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