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Surf and talk at the same time

Discussion in 'Droid RAZR MAXX' started by Miklb58, Sep 12, 2012.

  1. Miklb58
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    Miklb58 New Member

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    I could swear when I received my Maxx back in March that I could surf the web while talking on the phone. And am 99% certain that I made sure that Wi-Fi was off when testing it. My son asked me today if I could talk and surf and said he can't on his Maxx. So I tried it and I cannot.
    Originally I was on GB, and now ICS & v211. During a test today, I noticed that (with Wi-Fi off) my 3G icon disappears as soon as my phone rings.
    Am I losing my mind here?
  2. drew96dawg
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    drew96dawg New Member

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    you have to be on 4g. 3g cannot do voice and data simultaneously

    Sent from a Droid2 Using Xparent Blue Tapatalk
  3. bsweetness
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    bsweetness Moderator

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    With the RAZR MAXX, when not connected to WiFi, you can only surf and talk at the same time if you have a 4G connection. In that situation, data is transmitted via the LTE connection while voice is carried by the CDMA connection. If you're only connected to 3G, you won't be able to talk and surf at the same time.

    There are some devices on Verizon that can do voice and data simultaneously over 3G, including the Thunderbolt, Rezound, Incredible 4G, and Galaxy S3. They have separate hardware that allows this to work. The MAXX does not have the necessary hardware, so it's unable to do both over 3G at the same time.
  4. Miklb58
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    Miklb58 New Member

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    Thanks. You've confirmed that I am losing my mind. I am in a 3G only area so I could never have achieved this as I could've sworn that I did...... :(
  5. Bilgediver
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    Bilgediver New Member

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    Which is sad, because cdma supports svdo (simultaneous voice and data). The thunderbolt was the first phone to get the radio firmware which supports this, and i guess Motorola has never supported this.

    Sent from My Droid RAZR MAXX with Tapatalk.
  6. bsweetness
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    bsweetness Moderator

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    SVDO requires a separate hardware radio in order to work, so it has to be planned from the beginning stages of the phone's design. While the network is capable of it, Verizon doesn't officially support SVDO, so most manufacturers have seen no reason to include it (particularly because LTE should alleviate the issue). HTC has been the only one to actively include it with the Thunderbolt and the Rezound. The Snapdragon S4 chip that powers the Galaxy S3 has the hardware for SVDO by default, so no planning is really necessary if that chip is used. Since the RAZR M, RAZR HD, and the RAZR MAXX HD all have the S4 chip, they should all support SVDO.
  7. Miklb58
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    Miklb58 New Member

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    Are you by chance saying that when my Max was new, and on GB that it may have worked on 3G??
    Please say yes (you can even lie) so that I can pretend that my mind isn't lost.... :)
  8. bsweetness
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    bsweetness Moderator

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    No. The MAXX could never talk and surf over 3G at the same time. :)

    I was saying that SVDO requires special hardware. The MAXX has never had that hardware, so it has never been able to do it. Gingerbread and ICS have nothing to do with it. :)
  9. Miklb58
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    Miklb58 New Member

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    I have lost my mind...:(
    Well I guess tough love is better than no love.......
  10. jntdroid
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    jntdroid Super Moderator Premium Member

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    The S3 has the SVDO chip? Didn't know that... nifty.
  11. bsweetness
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    bsweetness Moderator

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    Yep. It's built into the Snapdragon S4, so any phone on Verizon with that chip should support SVDO (unless it's disabled for some odd reason by the manufacturer).
  12. jntdroid
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    jntdroid Super Moderator Premium Member

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    Ah, cool, so the M, Maxx HD, etc (pretty much all of them now I guess) should then?
  13. bsweetness
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    bsweetness Moderator

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    Yeah, they all have the necessary hardware for it. I haven't seen any confirmation of it working on the M, but I can't imagine that Motorola would disable it.
  14. jntdroid
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    jntdroid Super Moderator Premium Member

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    It doesn't on the M (just tested). As soon as a phone call starts, 3G disappears. I tested it anyway to make sure, and definitely no data when you're on the phone.
  15. bsweetness
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    bsweetness Moderator

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    Strange. It should be capable of doing it. Maybe Motorola decided to disable it for some reason, or perhaps it has a slightly modified S4.
  16. Bilgediver
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    Bilgediver New Member

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    Motorola has to enable that capability in the radio firmware, too. Maybe they have tested that they couldn't maintain the same signal quality with it activated? Considering Motorolas quality radios, they may not want to lose that reputation
    Until its been thoroughly tested?
    Sent from My Droid RAZR MAXX with Tapatalk.
  17. Barkleyfan
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    Barkleyfan New Member

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    The Qualcomm chips support svdo. We have TI chips. Not sure why Moto moved to Qualcomm, but the next gen mottos will have them, thus support svdo. Which makes me wonder about the big facility TI just built in Texas recently. I'm gonna have to research that.
  18. dlic
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    dlic New Member

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    working for rarz m

    On the RAZR m it woks on 4g not sure on 3g. Though I live in the country they just put up a new 4g tower so haven't been able to check it out on 3g yet
  19. xmguy
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    xmguy New Member

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    Wonder if the Razr Maxx HD will support this? SDVO.
  20. xmguy
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    xmguy New Member

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    Adding to my own post the RAZR HD and MAXX HD >>DOES<< indeed support SDVO on 3G

    Sent from my DROID RAZR MAXX HD

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