1 2 Previous Next 16 Replies Latest reply: Dec 16, 2012 3:34 PM by smotrs RSS

Fix for EVO 4g lte, WiFi problem! (In my case anyway)

LSHAFTER2 Regular Visitor
Currently Being Moderated

The problem is the 4g LTE fails when attempting to connect to dual band routers will be sporadic and most often fail. Here's what I did and it worked

This a 3 part solution:

 

Part 1 on your evo

1) go to "setting"

2)  go to "wifi"

3) go to advanced and and click on "Wifi Frequency Band"

4) I chose 5 Ghz only

 

Part 2 on your PC

Now goto your Wifi Router settings

For Linksys it is Http://192.168.1.1

click on Wireless setup

 

On the attached page noticed I diabled the 2.4Ghz setting and I have the 5.0ghz set for channel 149

use any channel you want and be sure to save it. Don't change anything else!

 

Part 3 back to the EVO

 

Download free program "wifi analyzer"

1) Click on setting

2) Click on Available channels

3) Make sure channel 149 is checked

 

Your done! This is not a real solution EVO needs to actually fix, but it worked for me at home. And remember if you are at some wifi hotspot that doen't use 5.0 it won't work.

But with Wifi Analyzer you can find whats available and adjust your phone accordingly.

 

Hope this Helps

 

PS EVO FIX IT!

  • 1. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    Locking down the band/channel does nothing for me.  My Evo is deliberately disconnecting the wireless when the screen turns off.

  • 2. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    LSHAFTER2 Regular Visitor
    Currently Being Moderated

    Did you check your "Keep Wifi  on during sleep settings"? I have mine set at "always"

  • 3. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    It was the first thing I checked, and yes, it's set to "Always."  It always has been.  It's just happily totally ignoring that setting now.  I've tried toggling it to other options and back, but to no avail.  Other people have reported the same problem elsewhere, and nothing really seems to fix it.

     

    Logs show that it is in fact disconnecting the wifi in response to a power state change event, so it isn't just some random wifi glitch.  It's Jellybean deliberately disconnecting the wifi when the screen shuts off.

     

    Just another Sprint/HTC screwup.  You'd think they'd learn to test these things.

  • 4. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    LSHAFTER2 Regular Visitor
    Currently Being Moderated

    Sorry to hear that. HTC is going to go the way of Palm and Blackberry, if they don't get their **** straight

  • 5. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    What kills me is how obvious a problem it is.  It happens every single time.  It's trivial to reproduce.  It's easy to observe.  It's something anyone could have noticed in an hour of testing the thing.  It's like they're not even trying.

  • 6. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    14KNIGHT Sprint Employee
    Currently Being Moderated

    Problem is where it does happen on your device every time there are some phones that are not having the issue or where the issue has be resolved.  The Symptoms have been different between Devices having issues.  At this point I do not have any information on how many people have download the update and how many are rreporting issues.  The original poster is having a problem with a dual frequency modem and setting it to 5ghz fixes his issue.  for other people making sure it was setting to 2.4ghz fixed issue.  We are collecting the data on the different issues.  Your issue seem to be a device issue, others have been with interoperability with a certain type of Router.

    I am assuming you have done a power cycle on the device to resolve the issue.   Have you turned off automatic connections?

  • 7. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    Yep.  I've disabled automatic connections, disabled the power saver (which re-enables itself after a reboot, which is a separate issue), set "Keep wi-fi on" to "always" and tried different settings for the band and "maximum performance" setting.  It doesn't matter which combination of settings I choose.  It happens Every. Single. Time.

     

    The easiest way to observe the symptom is to unlock the phone and watch the status bar as the wifi icon disappears, 3G turns on, then the wifi icon reappears, and 3G turns back off.  It's enough of a disruption to ***** up everything that's running.

     

    WiFi Fixer's log just shows this:

     

    Current dBm:-60

    Supplicant State:DISCONNECTED

    Supplicant State:SCANNING

    Supplicant State:ASSOCIATING

    Supplicant State:ASSOCIATED

    Supplicant State:FOUR_WAY_HANDSHAKE

    Supplicant State:GROUP_HANDSHAKE

    Supplicant State:COMPLETED

    Build:0.9.5.4a:979 :Sat Dec 15 10:40:11 PST 2012

     

    CatLog shows the wifi disconnecting in response to a power event.  It's basically just ignoring the "keep wi-fi on" setting entirely.

  • 8. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    RcSteve1968 Regular Visitor
    Currently Being Moderated

    I had to turn off auto channel detection on my DLINK D615 router and specify a channel in order for my router to work. It works fine now and seems to be stable. My EVO worked just fine on the WiFi at my place of employment and has all along recognized my neighbors WiFi, just not mine until I performed this fix. Don't know if you're going to address it though so I can go back to auto channel detection.

  • 9. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    14KNIGHT Sprint Employee
    Currently Being Moderated

    At this point I would recommend either a factory reset of the device  as something in the software is causing this problem.  Given the other problems I have seen thus far yours is the only one where the device connects normally then discounts with the screen time out.   If others are having this particular problem I would it would help if we could get some information of how many.   If there have been other  posts with this issue I may have missed them

  • 10. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    You have got to be kidding.  Like I have nothing better to do than to re-download and re-configure every app on my phone.

  • 11. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    14KNIGHT Sprint Employee
    Currently Being Moderated

    Of all the things I can recommend I like this one the least.  Worst part is I cannot even give you a guarantee this will resolve the issue.  Based on your post you have already done everything else I can think of at this point.  I certainly understand the problems that come with the reset of the device.

  • 12. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    Did the factory reset.  Did not help at all.

     

    Waste of time.  This update is awful.

  • 13. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    spatula1975 Valued Member
    Currently Being Moderated

    Making some progress... if I do a Factory Reset and do NOT restore my data from my Google account, WiFi seems to be working normally.  So some stored setting in my Google account may be corrupt or broken in some way, or there's an off-chance it could be some app I had installed interfering with normal power behavior.

     

    I suppose this means I'll have to re-install all my applications manually, since Google doesn't give you the ability to pick and choose which settings or which applications or which data you want restored... it's all or nothing.

     

    It does explain why a factory reset didn't seem to help though... it would have helped for a few minutes, until the automatic restore put the phone back into the same bad state it was in to begin with.

  • 14. Re: Fix for EVO 4g lte, WiFi problem! (In my case anyway)
    smotrs Master
    Currently Being Moderated

    It's possible it's your previous settings as Google does store them. If your like me, I have about 10 differnet WiFi systems I connect to during the week, e.g. work, home, parents house, brothers house, etc.. These known locations are stored and backed up and when you do a Hard Reset and connect to your Google acct they come back.

     

    I can't remember though where this info is stored to remove it.

1 2 Previous Next

More Like This

  • Retrieving data ...