Tried to short the power pins to turn on but nothing worked until I soldered the pins together. Wow. My phone is on, now I have to keep it charged until I replace the buttons. :silly:
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OK so I cracked the digitizer screen on my MyTouch 4G, ordered a new one and replaced it but during the process I was not as careful as I should have been and I tore the ribbon cable holding the power button on.
There is help for people with "broken power buttons" but no help for people who have torn the cable off. Until now.
I searched high and low for a button re-map or way to turn the phone on, tried ADB and holding the HOME button down but nothing worked.
Not wanting to replace the whole North Motherboard flex assembly just for the sake of one little button here is what I did to turn my phone on.
Remove the battery cover and 3 screws holding the first plastic cover on, pop it off and place it aside.
Remove the top two silver screws so you can fish out the power button flex cable from under the board, hopefully like me it has broken off at the power button where it is weakest and left a few millimeters of cable. With the power button flex cable exposed, insert the battery, sim card and micro-sd card if these are not already in place. You need the battery in place for this to work.
Take a razor blade, scalpel, or something nice and sharp and begin gently shaving the power button flex cable as near the the broken tip as you can get, scrape away the plastic coating on the surface of the ribbon cable closest to you, assuming the phone is face down this is the side of the cable that faces upwards or toward that battery cover. Scrape gently until you see the gold circuit tracks inside the ribbon cable. My phone turned on while I was doing this but since the battery was flat it turned off again right away. I then re-assembled the phone, leaving the very tip of the power button flex cable protruding through the outer case so the little gold tracks were visible. Plugged it onto the charger and touched a piece of foil across the exposed ends. Phone turns on fine and if it turns off again at some point I don't need to take it apart again as I have left the tip of the ribbon cable exposed externally. So long as you have something conductive handy you can turn your phone on by simply bridging the exposed contacts on the flex cable.
I guess I will order the mother board flex cable and replace the whole assembly at some point but in the meantime my phone is on and works perfectly.
I know I am not the first person to tear off the cable from the power button, tiny as it is, I found lots of posts on various forums on Google and I am sure I won't be the last person to mess up like this either...
Hopefully this will help someone else who finds themselves with the same problem.
I have an infuse with a power button issue, the power button was bad so I used a couple wires to jump the two opposite ads and wake or power on the phone. My problem is this is no longer working, one of the wires came loose and ripped off the pad with it but I was able to scrape the area to reveal the copper underneath and reattach the wire but now there is a continuous voltage when testing the two wires with a voltage meter and when they touch the voltage drops to zero but the phone is not starting up.
I do not have any information on how the power buttons are wired in this phone so I do not know if there is supposed to be voltage at rest or not and if this is the correct configuration then why will the phone not boot.
dark_storm83 said:
I have an infuse with a power button issue, the power button was bad so I used a couple wires to jump the two opposite ads and wake or power on the phone. My problem is this is no longer working, one of the wires came loose and ripped off the pad with it but I was able to scrape the area to reveal the copper underneath and reattach the wire but now there is a continuous voltage when testing the two wires with a voltage meter and when they touch the voltage drops to zero but the phone is not starting up.
I do not have any information on how the power buttons are wired in this phone so I do not know if there is supposed to be voltage at rest or not and if this is the correct configuration then why will the phone not boot.
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Could try buying a button. it looks like this http://mobiletechvideos.mybigcommerce.com/samsung-infuse-4g-power-button-repair/
$30.00 is a bit ridiculous though
About a week ago my charger dropped and the 2 little pieces of plastic at the end of the wire that hold the port in the right place fell out. I just put them back in and taped with electrical tape.
Anyway, while I was grabbing the TF700 while it was charging and the wire twisted and the 2 pieces of plastic kind of fell off. As soon as it did that, the tablet turned off and won't turn on again. No sign of life what-so-ever. I tried to hold the power button with both volume buttons, without them etc. I know for sure that the tablet was 100% charged because I saw the charge before I picked it up.
Am I screwed?
aquse said:
About a week ago my charger dropped and the 2 little pieces of plastic at the end of the wire that hold the port in the right place fell out. I just put them back in and taped with electrical tape.
Anyway, while I was grabbing the TF700 while it was charging and the wire twisted and the 2 pieces of plastic kind of fell off. As soon as it did that, the tablet turned off and won't turn on again. No sign of life what-so-ever. I tried to hold the power button with both volume buttons, without them etc. I know for sure that the tablet was 100% charged because I saw the charge before I picked it up.
Am I screwed?
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Try volume down and power, it is the hard reset key combo for out tablet. Also try pushing the reset button. The reset button is the little tiny hole above the micro hdmi port on the left side of the tablet. Do you have a dock? If so disconect the tablet from the dock and try again.
It sounds like the wires shorted out, and possiblle fried something in your tablet.
My phone fell from the 2nd floor, the lcd screen was really damage, pieces of the glass were falling when I picked the phone up.
It was still ON when I picked it up, but when I pressed the power button, it turned off and I couldn't turn it ON again, does not recognise the charger, doesn't make a sound when I plug it to either the computer or wall plug.
When I got to open the phone, I remove all the glass in the front (no damage on the back and sides). I was thinking of trying to recover the contents so I can easily transfer to another phone if the phone is good as dead. So before I would buy a screen replacement, I wanted to recover the data in the phone, so I tried connecting the phone to the wall plug, if I remove the battery it give me a steady red led light, but if I attached the battery, it gives me a blinking red led light. the same goes with plugging this to a Mac and PC.
So would like to ask is the main board also dead? or is there still hope for my phone?
thanks!
When I shattered my LG G2's screen (LCD was intact) it gave me warning that that the Display was damaged and that it was switching controls to hardware buttons.
In your case the signs are that it's badly damaged as in more than just the LCD. Because it's not even being detected by your computer or even charging.
The above is just my opinion so don't quote me on that but I am fairly certain you may have damaged the motherboard. I have dealt with other people's screen damaged phones and they still worked or were detected by their computer.
the problem is just that, the phone boot just when pugged to charger, original or any charger, or PC USB, or just anything that give current via he's own osb port
power button doesn't work anymore (from near 3 years I need to go out with a emergency charger and a short usb cable)
this problems starts near 3 years ago, some day the phone goes crazy and boot loop several times, from just LG logo to scanning multimedia files, or start perfectly, but shutdown any time, or just work good several days (and with the power button working)
I was thing on humidity or moisture, but the mainboard seems to be ok, one day I was soldering two wires, and when de power button was working putting together the two wires acts like power button, but when power button doesn't work the wires the same
some day recently I was cut away the power button flex, test it and it's broken, but the two wires doesn't work
the very problem is that now the shutdown is most noticeable, no matters if I put just the original stock battery or other original, those batteries are ok, old but ok, charged and the voltage are ok
there is some with expertise to guide me to find how to resolve this?