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General 3G Performance Hit with 2.1

Discussion in 'Android Devices' started by AAEBoiler, May 19, 2010.

  1. AAEBoiler

    AAEBoiler Newbie
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    I just updated my Eris to 2.1 on Monday and ever since then I haven't been getting the same 3G performance (i.e signal strength). Places where I usually saw 3 bars, I'm only seeing 1 ... or less.

    Has anyone else experienced this?
     

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  2. spanky412

    spanky412 Newbie
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    the burgh
    problem with 2.1 started with leaks stayed with ota

    have zero bars sometime and still able to make calls and get data
     
  3. BlazeD OnE

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    Very known problem. Same with 50% time without signal issue. and hopefully not the

    audio loss problems. Alothough you see only 1 bar. check to see what your signal -dBm

    is, the display is off, and even though it showns low bars you will have good service.
     
  4. AAEBoiler

    AAEBoiler Newbie
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    My signal strength is around -100 dBm ... I'm assuming that's bad. LOL! :eek:
     
  5. Frisco

    Frisco =Luceat Lux Vestra=
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    Not bad; terrible.

    The signal strength number in the menu is generally more accurate then the bars in the notification area display in 2.1.
     
  6. mikey517

    mikey517 Well-Known Member
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    Frisco, what would be a good reading? I currently have -88 dBm in my office in a concrete building. Using Speedtest.net, i get a speed of approximately 1MB. At home i have gotten speeds of 2 MB on 3G
     
  7. Frisco

    Frisco =Luceat Lux Vestra=
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    The lower the -dbm number the faster the carrier signal between your device and the tower.

    I see -53 a lot, and -49 at best.. that's indoors and outdoors.

    Right now it's sitting at -81 (I'm in a basement) and I've got two bars; browsing, calling and using texting seem fast enough, although I understand that around the high -80s we're getting about a "dial up" speed as far as measured numbers go.
     
  8. AAEBoiler

    AAEBoiler Newbie
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    Crud! I wish I had made a note of my signal strength before I updated to 2.1! :mad::mad::mad:
     
  9. Frisco

    Frisco =Luceat Lux Vestra=
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    Forgetting the bars and the device's stated -dbm data, how is the device working for calls, messaging, browsing, etc?
     
  10. AAEBoiler

    AAEBoiler Newbie
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    I'm having no problem messaging but I don't think I've taken any calls since I updated on Monday/Tuesday. Browsing seems slightly slower than before.

    I guess I'm mostly concerned about battery drainage while my phone struggles to do work with a low signal. I've resorted to turning off 3G unless I need it (for browsing, maps, Facebook, Twitter, weather, etc.).
     
  11. Peaser

    Peaser Well-Known Member
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    Well I'm confused. I read in another thread that -86 was a good reading! Can someone clarify?
     
  12. Merlin615

    Merlin615 Newbie
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    dbm is a measure of signal strength not a direct correlation of speed, however the further away from zero the worse the signal, kinda like moving away from a tv tower(for those that remember using the old rabbit ears, for every 3dbm difference the signal either double or cuts in half so -86dbm is twice as bad as -83dbm.
     
  13. Peaser

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    So what number is a good number....?
     
  14. Merlin615

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    While I haven't observed a solid number i get goo reception at work, in town, by a windows and I'm currently getting between -71 and -76 and on 1.5 that was 4-5 bars with good 3G, if we get more numbers we can get a range and figure a mean good number.
     
  15. Frisco

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  16. mikey517

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  17. Merlin615

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    The average cell tower transmits at +50 to +60dbm, keep in mind this is straight off the antenna, researching to see if I can find the average signal degradation for cell signals.
     

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