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Flex intergral 5550 universal: does not start charging, nothing on the lcd.

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Sounds like you may have a loose connection in the power supply. The device will have to be opened and checked for broken connections. Also check the charging unit for anything that may be broken.

Let me know what you find and I would be glad to help you with anything else you have questions with

Posted on May 06, 2008

  • Benjamin Patri
    Benjamin Patri May 07, 2008

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1 Answer

When I turn on the phone I get a blank screen


there is nothing wrong with your screen, the problem is from the flex that connects your screen to the phone's main board. This flex must have worn out that's why your screen is not displaying any picture.

The problem is common with flip and slide phones. The flex gets worn out as a result of constant opening and close of the flip or slide phone.

I would urge you to replace the flex and I am assuring you that your screen will display picture again. You might also be lucky to find out that the flex is not well fix, that is, it may have loosed contact.

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The back light of my phone does not turn on again

1.disassembly your unit then check the pull out the lcd,and try to put it back again.
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Screen does'nt light up!!!

Maybe the LCD or flex is faulty already. The flex is the connection to LCD and LCD is the display. Try first to replaced the flex before the LCD.


Don't forget to rate;

Jul 07, 2009 | Nokia N96 Smartphone

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Doesnt start doesnt even charge

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May 07, 2009 | T-Mobile Sidekick II

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My Dopod 900 (aka O2 Xda Exec) White Screen Problem

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Moto q screen black and turns on and off

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5550 not powering on

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also do you have the power adaptor for it put the old battery back in and see if it will run off the adaptor with the old battery plugged in and then you know the issue is with the new battery and not the unit itself.

Sep 16, 2008 | HP iPAQ H5555 Pocket PC

1 Answer

BRAUN shaver Flex intergral 5550 universal: does not start charging, nothing on the lcd.

Nothing happen on the LCD of my NEC Mobile Pro 770 and when the technician checked it The flex connector bettween the LCD and the Keyboard was broken. i need to replace it but do not know where to get one. Please inform in case you know.

Thanks a nd regards,


May 06, 2008 | NEC MobilePro 770

1 Answer


The phone's "software" is composed of phone flash version, flex and SEEM's. A flash is a user interface with the phone (what you see on the display, controls, graphics etc), the flex (firmware) is related to the phone's hardware functions and the SEEM's are hexazecimal tables that relate the flash to the flex sistem. From what you say, I think the SEEM's are written incorect, thus resulting in incompatibilities with the flex version and stupid errors that occur as the flash attemts to intruct the flex to do something but it understand other things. A way to solve this is a full reflash, this can be done only in a phone service.

Jan 03, 2007 | Sony Ericsson P910i Smartphone

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