n00b
Posted 25 October 2013 - 12:05 PM
Hi,
First off I work at a cell phone repair shop and a customer came in with this Xt907 broken lcd. Upon replacing said lcd the screen works fine and everything else is working great. The problem though is that the screen, no matter what your doing, flashes off then back on every 22 seconds about. Its still on whatever your doing but it does become annoying after a bit. The phone is stock running 4.1.2 and the system version is 98.18.78.xt907.verizon.en.us any ideas would help.
Thanks guys
Droid Elite
Posted 25 October 2013 - 02:01 PM
Did you double check all the connections?
I don't know what I'm doing anymore.....
Posted 25 October 2013 - 02:23 PM
I've heard of this when there is either a bad power connection OR the battery is failing. The draw from the screen pulls the current to a point that the battery either can't keep up, or the connection causes the issue.
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n00b
Posted 25 October 2013 - 02:24 PM
yeah I even plugged in a new lcd digi. and it started to do the same thing. The customer said she factory wiped it, with the help of the Verizon guys and its still doing it
Droid Elite
Posted 25 October 2013 - 03:14 PM
i havent worked on an android phone but ive replaced many a parts on icraps possibly a ribbon to a connector was damaged? not sure what has to be disconnected on the m but i know on icraps there is like 8 delicate connections the ribbons anyway are delicate
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Posted 25 October 2013 - 04:51 PM
Have you tried running a logcat while it cycles on and off to see if something specific is causing it? "Every 22 seconds" is pretty specific.
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n00b
Posted 27 October 2013 - 12:43 PM
Droid Master
Posted 05 November 2013 - 02:47 PM
My phone screen flickers. This is the second phone I got. The first phone did the same thing so I took it back cause I thought something was wrong with it, only to see the second phone is doing the same thing. It doesn't going off, it just shakes side to side a few times (briefly) then straightens out. I guess it's a issue with the phones. sent using my fast Razr M (rooted)
n00b
Posted 29 November 2013 - 09:23 AM
Did the original poster ever get this solved? I just replaced my broken screen with a new one, and I have the exact same problem. The screen works fine for 22 seconds, then turns off and on again. It's very annoying, and frustrating since I paid $107 for a new screen, only to have it flicker like stated above. The old screen never did this, and worked fine despite having cracked glass. After the flickering occurred, I took the phone apart to check the ribbon from the mobo to the screen and I saw no imperfections. I have e-mailed the person who sold me the screen to ask if he knew how to fix it, but that was just a few hours ago and I haven't heard back from him yet. Best of luck to everybody!
Droid Master
Posted 29 November 2013 - 06:35 PM
n00b
Posted 25 February 2014 - 05:38 PM
Same Here.
I just bought and installed 2 Motorola Razr M Screens. Each of them have the issue of blinking off and on every 22 seconds. Have we found the issue / fix for it?
n00b
Posted 03 April 2014 - 11:26 AM
Any updates on this one? Exactly the same problem, except for me it is every 20 seconds on the dot....
n00b
Posted 20 April 2014 - 05:02 AM
n00b
Posted 30 April 2014 - 05:38 PM
I recently replaced my LCD & screen assembly with 2 different new assemblies and the same issue. Have spoken with repair shop, spoken with my carrier, look on motorola threads and other discussion boards and can not find a solution. Someone has to know the solution if so many people are having the same issue. I did nothing else to the phone except disconnect the one flex wire connecting the LCD and reconnect a new one. I've tried different GPU settings with no luck. Going to try resetting phone to factory next. Anyone find or know what is causing this?
n00b
Posted 30 April 2014 - 05:56 PM
n00b
Posted 30 April 2014 - 07:16 PM
Thank you for your assistance as I believe you are on to the right solution because I've made sure all connections and did a hard factory reset of the motorola xt907 (formatted it and restored) from instructions on their site but the problem persists. Now I am wondering how to turn phone on in boot loader mode and what this does? I understand boot loader is like the BIOS of the phone and is a small piece of code that instructions the phone of the hardware. Can you tell me the steps or is there a link? Thank you so much again for any help, you will be a hero to many I think if we can figure this out.
n00b
Posted 30 April 2014 - 09:27 PM
n00b
Posted 01 May 2014 - 10:00 AM
So bootloader doesn't help fix the problem of the blinking screen but is right that the blinking does not occur in that mode. Makes me believe that something in the boot program (kernel) is causing it. I'm praying too that 4.4 will fix it and that should be coming out soon
I'm going to continue to call around and do research to see if further solution development has happened but if anyone else watching this thread has found info on how to fix, please post, and if not reach out and research.
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n00b
Posted 01 May 2014 - 05:03 PM
n00b
Posted 01 May 2014 - 05:04 PM
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