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Evo 4G: Severe vibrate and haptic feedback issues...

post #1 of 5
Thread Starter 
As most of you know, the Evo 4G has an issue with a clicking noise on the haptic feedback... Mine has had this for a very long time, and it has become extremely bad.

About 3 out of 5 times that I press a letter on the keyboard, the haptic feedback motor makes a squeaking/scraping noise, and it has become very disruptive to me and others around me...
Another thing to note, is that the vibrate on the phone only tends to work well if set at around half a second pulses, once it goes over that amount of time, it sounds like its sputtering (the RPM lowers and does not remain consistent, the motor sounds as if it is straining).

I don't have handset insurance because Sprint wouldn't let me get any because I bought from a 3rd party, I know that it is way out of warranty and it is also rooted. I am eligible for like $200 upgrade credit, but we cannot really afford to purchase a new phone right now....

Has anyone fixed this before? And how? I have the tools needed to take it apart, but I have no clue as to what I need to look for. For now I have turned feedback off, and the phone feels extremely foreign to me as a result.

Any help will be very very much appreciated!
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post #2 of 5
You want this: VIBRATION MOTOR
Edited by Xinoxide - 3/29/12 at 2:01pm
post #3 of 5
Thread Starter 
Quote:
Originally Posted by Xinoxide View Post

You want this: VIBRATION MOTOR
edit: $30 shipping is insane, but thats the part you need. try to find it elsewhere.

I don't reckon that would be too hard to find... I really think I might just have to take it apart and see if there is any obvious damage or some random piece of debris that is causing it, it could quite possibly be one of the clips that broke off of my old battery cover....

+1 For part link
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post #4 of 5
if you are eligible for the full upgrade, online/ radio shack/ best buy usually have some decent phones for free. sometimes you can get them to waive the upgrade fee if you are nice.....


or maybe find an evo with a bad screen/ESN/both on craigs list and salvage the part?
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post #5 of 5
Thread Starter 
Well I may not have fixed the clicking, but I determined the scraping noise was coming from this:

353

This metal shield came loose from the location directly to the right of it and somehow made its way over near the battery terminals.. clear on the other side of the phone... It would occasionally hit the weight on the motor, producing the horrendous sound I heard. As for the clicking noise, that is because the shaft over time wears out the bushing and it begins to slide back and forth... But what do you expect out of such a cheap component?

I apologize for it not being in color, OCN hates tiff files for some reason
Edited by raidmaxGuy - 3/29/12 at 3:39pm
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