Fix Accelerometer on Evo 4G LTE?

Help!  I bought an HTC Evo 4G LTE off of swappa where the seller had indicated that the item worked perfectly.  Of course I had to discover several days after receipt that the accelerometer sensor does not work, which means that my daughter cannot play games that she likes and that I don't have auto rotation of the screen.  Is there any way to fix this or am I stuck with a less than perfect phone?

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  • Did you try running the "G-sensor" calibration (it's in "Settings" somewhere)?

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  • Yes, I've done the "G-sensor calibration" many times with no apparent change.

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  • Is "Auto Rotation" is turned on (light-green colored checkmark; those checkmarks are so light that sometimes it's hard to distinguish between checked and unchecked) in "Display & Gestures" and/or "Accessibility"?

    Try downloading a free accelerometer measurement app. If that records movement correctly, then the problem may be some sort of software glitch. Is the phone running stock software, unrooted?

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  • The phone is running stock ROM and is unrooted.  I don't know if it was rooted before I received it since I bought it used, but I have verified that it is "S-ON".  I have downloaded and tried a couple of accelerometer sensor apps and they did not register anything.

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  • I don't have any more ideas. Perhaps the sensor is just broken, or perhaps it needs to be reflashed. The only other thing to try is to see if there is an appropriate test in diagnostic mode: *#*#3424#*#*

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  • Thanks for pointing out the diagnostic mode...I'll check that when I get home.

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  • OK, I performed the G-Sensor test in diagnostic mode on my daughter's Evo and on my own Evo.  I saw on mine where the test would generate numbers and then in a few seconds declare that the device was working properly, but on my daughter's Evo the test came up but then just hung there with no indication that anything was happening.  So we're pretty sure that the accelerometor (G-sensor) is not working.  I have emailed HTC to see if there is an option of repair under warranty.  

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  • I've seen the odd posting suggesting that flashing the phone to certain ROMs can actually cause what appear to be hardware-related problems. As a software person, I can't fathom how reflashing the phone back to stock would still have any previously-flashed-ROM-induced problems outstanding.

    So, it really seems like a hardware problem, especially if the diagnostic run on the stock ROM hung.

    Please update this thread with your further adventures with HTC, as it might come in handy should my wife's EVO 4G LTE ever develop similar symptoms.

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  • I'm having the same problem, also with a phone purchased off Swappa.  To be fair, I rooted and reflashed the phone to CM 10.1 as soon as I got it, so I'm uncertain as to whether the problem occurred due to ROM flashing.  I've reverted back to stock, and OTA updated to 3.17.  However, my G-Sensor test behaves the exact same way: it will open the test and ask me to place the phone on a plane surface, but then simply stops.  I also followed some of the directions in this thread for HTC Ones also with Invensense chips, but had no luck:  http://forum.xda-developers.com/showthread.php?p=40067389

    Any word on the option of warranty repair from HTC?

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  • Just talked to an HTC rep today; warranty services are not extended to anyone except the original purchaser.

    I have noticed that the accelerometer is actually intermittently working, but I haven't figured out the pattern behind it yet.  It seems to be non-functional on boot, and at some point manages to turn on.  I'll provide an update if I figure out why.

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  • Well I know this is a bit old and newer phones have come out but I got this phone used off amazon. Fairly cheep at $75 not knowing about the auto-rotate problem. I did however find an app called Ultimate Rotation Control on the play store. I allows you to override the orientation and change it manually. Works really well but this is a manual switch.

    here is a link to the app https://play.google.com/store/apps/details?id=nl.fameit.rotate&hl=en 

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