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01-20-2015 02:10 AM
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  1. miguelsantos's Avatar
    Hi,

    It might be placebo, but i have just installed Denim and i think the erratic touch tap / touch / slide is corrected.
    Jerrycw likes this.
    12-19-2014 12:22 AM
  2. Jas00555's Avatar
    Wait a day, it'll be back (;

    Lol but seriously, you might want to wait because updates to extra+info would often do this, then they would return. Crossing my fingers hoping they fixed it though.
    RumoredNow and xandros9 like this.
    12-19-2014 12:30 AM
  3. th34monk3ys's Avatar
    I think its hardware issue guys, the phone bends and contacts mess up, give it time it will be there!
    undisputed n00b likes this.
    12-19-2014 10:31 PM
  4. miguelsantos's Avatar
    One day of use and it hasn't yet happened any erratic touch
    jes1888 and poststamp like this.
    12-20-2014 02:04 AM
  5. poststamp's Avatar
    I really really hope they solved it this time. I'm thinking about flashing the Finnish rom if it is that much better.
    12-20-2014 02:13 AM
  6. slysy's Avatar
    Too early to tell at the moment IMO. Could you please post another update after you have used it for a bit longer?
    12-21-2014 03:45 AM
  7. poststamp's Avatar
    I flashed my Phone to the Finnish rom and got Denim now. First thing i noticed, is the lag is mostly gone. This is much better than Cyan and untill now the tap/scroll issue seems absent. I hope it stays away.
    Edit: Unwanted touch is still present.
    Last edited by poststamp; 12-21-2014 at 06:34 AM.
    12-21-2014 05:41 AM
  8. g4mbl1n's Avatar
    Turn off vibration in the navigation buttons.. Seems to have solved my phantom touches. Been going 2 weeks no random backs or cortana popping up.
    12-21-2014 11:53 AM
  9. poststamp's Avatar
    Thanks for the advice, but it doesn't work in my case. The tap/scroll is barely present on my phone so it isn't really annoing, but i hoped it would be completely gone.
    12-22-2014 12:55 AM
  10. xerox13ster's Avatar
    I have had this issue on my device from day 1 and I would get it on nearly every scoll/swipe. After manually flashing the Finland Country Variant firmware (059v282) on my APAC HK Chinese Country Variant (059v255), I received Lumia Denim OTA and installed it. I did not have Hey Cortana, but I went and disabled PFD and went back to settings, and at the bottom of my settings, I had Hey Cortana. I have been using my phone extensively and have tested it purposefully and I have not had the scroll/tap issue at all today or yesterday.
    12-22-2014 11:30 AM
  11. Luigi Zarlenga's Avatar
    This would really be a very big deal for me. It's the only downside of this otherwise great phone
    12-22-2014 01:48 PM
  12. panchovx's Avatar
    For me the bug start when I've opened the glance screen app. Before that the phone works excellent.
    12-22-2014 01:54 PM
  13. Daniel James 2's Avatar
    Miguel, touch/tap issue still good?
    chmun77 likes this.
    12-24-2014 05:36 AM
  14. xerox13ster's Avatar
    Mine is still good. The only issue I have having flashed the rom is I no longer have access to Modern Combat 4, FIFA14, NOVA3, UrbanSpoon, Zillow, or Last.fm. I don't know about last.fm because I don't remember, but I know I had the rest installed previously, not counting other apps that I didn't have installed no longer being available, and my region is the same as when I had the original Chinese firmware installed: USA.
    12-24-2014 07:26 PM
  15. coolbreeze78's Avatar
    Denim will not fix a hardware defect. Sorry. Honeymoon placebo.
    12-26-2014 09:15 PM
  16. JessPH's Avatar
    I'm so glad I switched to a different windows phone and would never worry about this annoying problem ever again. 1520 is great except for this defect.
    12-27-2014 02:21 AM
  17. Luigi Zarlenga's Avatar
    I'm not sure that we are talking about the same issue. I've found a bit of confusion on this around forums. L1520 has two different flaws, one is the touch screen interpreting a scroll like a tap (or a tap as a double tap, that is the same, as appears that the CPU has some kind of throttling that make the data flow coming from touch screen intermittent). I used to have the same problem on my L920 using TVshow app, but only in that app, that makes me think that is software related. Also, if you power cycle the phone, usually the tap/scroll issue is gone for a while, and that points to the thesis of software/firmware related issue.
    On the other hand, many people are complaining about another issue, that I had myself on 2 different 1520, that is related to navigation buttons, where you experience Cortana (or Bing search) popping out by itself, multitasking showing and shaking like crazy, often related to top left corner of touch screen acting like the back button. This has nothing to do with phantom tap issue, it's hardware related, and can be solved only opening the phone and tightening the screws placed on the motherboard, as the problem is caused by esd contacts not touching properly the metal plate behind the mo.bo. Someone suggested the bending trick, but unless you tighten the screws, it will come back. So, end of story, I really think that phantom tap can be fixed via firmware update.
    Last edited by Luigi Zarlenga; 12-29-2014 at 02:39 AM.
    12-27-2014 08:07 AM
  18. miguelsantos's Avatar
    Hi guys,
    Here's the update of one week with Denim.
    1- erratic scroll register as a tap is 95% corrected. Got only one wrong register in a week of use.
    2- aptX is working with my Sony SBH80 Bluetooth headset. Sound has improved significantly. On pair with my htc one m7.
    3- Giroscope is working fine.

    Overall L1520 has truly improved with this firmware.
    This is more important than "hey Cortana" thing..
    GoodThings2Life and belodion like this.
    12-27-2014 10:47 AM
  19. madusmacus's Avatar
    I could have fixed this hardware error years ago :( in software - but wth

    I tested this and the false tap instead of drag is because of hardware reporting double tap instead of tap and drag

    pseudo code is this...
    if double tap is reported check time between taps
    if time between taps is less than XXXX Nano seconds then ignore double tap and pretend its finger down

    but I given up now - I still use my 1520 but it makes me so sad and mad they did this to us :(
    striderbih, marratj and belodion like this.
    12-27-2014 11:57 AM
  20. miguelsantos's Avatar
    I could have fixed this hardware error years ago :( in software - but wth

    I tested this and the false tap instead of drag is because of hardware reporting double tap instead of tap and drag

    pseudo code is this...
    if double tap is reported check time between taps
    if time between taps is less than XXXX Nano seconds then ignore double tap and pretend its finger down

    but I given up now - I still use my 1520 but it makes me so sad and mad they did this to us :(
    ??? What are you talking about?
    12-27-2014 03:16 PM
  21. GoodThings2Life's Avatar
    Hi guys,
    Here's the update of one week with Denim.
    1- erratic scroll register as a tap is 95% corrected. Got only one wrong register in a week of use.
    2- aptX is working with my Sony SBH80 Bluetooth headset. Sound has improved significantly. On pair with my htc one m7.
    3- Giroscope is working fine.

    Overall L1520 has truly improved with this firmware.
    This is more important than "hey Cortana" thing..
    This is great news, and I hope we will all have similar reports when it gets pushed out globally. I'm not willing, however, to risk flashing an incorrect firmware on my phone.

    I think this glitch is the biggest reason I keep debating on switching phones. The size isn't ideal for me, but this glitch is genuinely infuriating, so I keep debating on 930 and 830. A fix would likely pacify me until a 1030 model is announced. :)
    12-28-2014 06:48 AM
  22. marratj's Avatar
    ??? What are you talking about?
    Well, he is right. I observed the same that the erratic touches during swiping manifest as double taps.
    madusmacus likes this.
    12-28-2014 08:44 AM
  23. Jerrycw's Avatar
    I could have fixed this hardware error years ago :( in software - but wth

    I tested this and the false tap instead of drag is because of hardware reporting double tap instead of tap and drag

    pseudo code is this...
    if double tap is reported check time between taps
    if time between taps is less than XXXX Nano seconds then ignore double tap and pretend its finger down

    but I given up now - I still use my 1520 but it makes me so sad and mad they did this to us :(
    It's a drag vs single tap instead of double tap. Code this
    12-28-2014 10:24 AM
  24. seb_r's Avatar
    Very funny....same topics over and over. First of all: there is a thread about this issue here already. There it is clearly stated (byme and others) that it is a hardware problem causing this erratic behavior and some possible explanations given, most likely a design flaw causing problems with capacitive coupling an / or proper grounding. What you seeing (with every firmware update or cold reboot) is simply the effects of the hardware being re-initialized and appear the problem has been cured. So many people reported as well that Cyan fixed it for them and then some weeks later admit it did not.
    FORGET ABOUT A SOFTWARE FIX FOR THIS PROBLEM!
    If there is any possible then only in a very limited way and only able to cure some symptoms and not the cause itself. Also keep in mind that the 1520 is an "old" phone already and Microsoft started releasing their own devices while Nokia / Microsoft did not even admit acknowledged issues of the 1520's sensitivity. So there nothing much to expect anymore from MS regarding this issue. Face it guys, but we riding a dead horse.
    12-28-2014 03:41 PM
  25. miguelsantos's Avatar
    Very funny....same topics over and over. First of all: there is a thread about this issue here already. There it is clearly stated (byme and others) that it is a hardware problem causing this erratic behavior and some possible explanations given, most likely a design flaw causing problems with capacitive coupling an / or proper grounding. What you seeing (with every firmware update or cold reboot) is simply the effects of the hardware being re-initialized and appear the problem has been cured. So many people reported as well that Cyan fixed it for them and then some weeks later admit it did not.
    FORGET ABOUT A SOFTWARE FIX FOR THIS PROBLEM!
    If there is any possible then only in a very limited way and only able to cure some symptoms and not the cause itself. Also keep in mind that the 1520 is an "old" phone already and Microsoft started releasing their own devices while Nokia / Microsoft did not even admit acknowledged issues of the 1520's sensitivity. So there nothing much to expect anymore from MS regarding this issue. Face it guys, but we riding a dead horse.
    IT's not to be funny, its a fact! Install Denim and then let's us know if you still have the same opinion, smartie
    striderbih likes this.
    12-28-2014 03:56 PM
47 12

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