Ultra Mobile L70 Optimus Mobile phone

I have this mobile phone which I bought from a ultra Mobile agent.  Once in a while the battery goes dead, and despite charging it again 100%, I still cannot seem to power on.  I have tried everything like removing the covers, the battery, waiting a minute then reinserting it again, then pressing the power again, but the power still does not come up.  I usually have to remove the casing as i think the tight fit casing was blocking the control buttons, but still this does not help.  Can the gurus please suggest a fix.  Thank u.
jegajothyretiredAsked:
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KRUNAL TAILORFreelance Mobile DeveloperCommented:
Hi jegajothy,

First, you’ll need to access your device’s recovery mode. Turn the device off completely, then boot it up with one of the following button combinations: (This combination will very device to device so, any one will boot your device)

- Hold Volume Up + Volume Down + Power.
- Hold Volume Up + Home + Power.
- Hold Home + Power.
- Hold Volume Up + Camera.

Master Resetting via Hardware Keys:

NOTE: If your smartphone is unresponsive, it freezes, crashes or otherwise prevents you from applying the master reset via the settings menu, then you can still reset your handset using a combination of hardware keys, as described:

Power off your smartphone
Press and hold "Volume Down" and "Power" at the same time (Any above combination will apply here which is for your device)
When the LG logo appears, release the "Power" key and then press and hold it again
When the "Factory data reset" screen appears, release all hardware buttons
Use the "Volume" rocker to select "Yes", and press "Power" to confirm
Your smartphone will factory reset and reboot in normal mode

Thanks & Regards,
Krunal T. Tailor
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jegajothyretiredAuthor Commented:
in response to Krunal, thank u, your remedy works.  Have u come across any video tutorials on how to use the LG.  the ones at youtube.com are more of an AD.  thank u.
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KRUNAL TAILORFreelance Mobile DeveloperCommented:
Hi,

Thanks, happy to help you.
I know this bottom url video is not official but it will review all features of LG70. You may find many more tutorial in suggested menu on youtube.

URL: https://www.youtube.com/watch?v=LiKHYa-d7dU

Thanks & Regards,
Krunal T. Tailor
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jegajothyretiredAuthor Commented:
thank u for the solution, awesome!
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