Question about LG Shine CU720 Cellular Phone

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Lgshine cu720 cell phone screen problem

Sometimes the screen on my phone works o.k. sometimes the screen is blank, sometimes i have zigzag lines, sometimes the it's backwards and my bluetooth doesn't work

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  • 4 more comments 
  • etheory Jan 04, 2009

    I have the same problem no idea wat to do

  • 3EHNK Jan 09, 2009

    how would i update the software on LG Cu720 Shine?
    where can i get the files?
    please, people....pretty please....

  • keoshin_of_e Jan 19, 2009

    my phone turns on but the screen is black

  • wedobelieve Jan 19, 2009

    How do I update the software for the LG Shine to get the pixelation issues to go away on the screen (squiggly lines)?

  • spkofford May 15, 2009

    When i slide my shine up sometimes the screan goes black. The backlight is still on, the keys are still on, and when I get a txt or a call it still vibrates, but the screan is just black.

  • tammy miley May 23, 2009

    blank screen

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  • 22 Answers

Software problem... Update it..

Posted on Dec 27, 2008

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1 Answer

My LG Shine CU720 is blank, but it does turn on. Taking the battery out and putting it back in helped for a day, but now it's blank all the time. I didn't drop it or get it wet. Any suggestions how to fix...


There really is no fix without taking it to your local store or calling tech support through customer service from another phone. Sounds like a manufacture defect to me.

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go to your nearest store and explain what happen

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The LG Shine has a expandable memory up to 4GB, if you have such space you can add big files such as Videos. But You may not be able to play them on the phone, the file may be to big to open on a phone. You also have to convert it to a acceptable format the phone plays, its not a simple vid file i know that. Thats the only you can, you have to get a big enough card to hold.

Sep 03, 2009 | LG Shine CU720 Cellular Phone

1 Answer

LG Shine CU720's screen does not work.


sorry to say i think its toast but you can try taking out the battery and phone card cuz i droped mine in a glass of water and i had problems witht the screen at first but then i left it dry out also try putting the pieces in a bag of rice to dry it out but if it still doesnt work i think your just out of luck because the companies warnity doesnt cover water damage.

Aug 09, 2009 | AT&T LG CU720 Cell Phone - Silver

1 Answer

My son has an lgshine, and it isn't allowing him to answer calls or txt at all. the phone is asking for a ussd service. can anyone help?


The phone is not provisioned correctly through your serv provider system and thus the phone is not getting connected to either the voice and the sms services. Call your service provider Tech department for correct provisioning. In some cases the phones are pre-provision, meaning if it has a SIM card that has not yet been fully activated you need to call to activate it.

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1 Answer

Phone screen goes blank to a grey color (externallY) .


same problem, broke my screen, ordered a new screen off ebay and replaced it. now it works fine most of the time but sometimes external display freezes. sometimes goes black, sometimes goes multicolor pixelated (full screen, in blocks, or lines) when this happens sometimes touchpad still works, others not. removing battery usualy temporarily fixes.

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Yes a new phone is required here as the LCD has been damaged by the water

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