Difference between 1x and 3GSupport


  1. Rutgerskid

    Rutgerskid Active Member

    I was using Pandora tonight and it kept switching off between 1x and 3G...Is 1x roaming? I have my phone set to not transfer data when I am roaming (Very Expensive - Past Experience). Do I not have to worry about anything now? Is 1x just a lesser quality connection; the music was still coming through perfect.

    Thanks for the help. Love this forum!

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  2. Wakerider318

    Wakerider318 Active Member

    naw...it isn't roaming. just the signal strength basically 3g is gonna be the best right now
  3. jbass350z

    jbass350z Well-Known Member

    isnt 1x similar to EDGE? Slow as crap on my TP2
  4. i VTAK

    i VTAK Well-Known Member

    Think of the difference between dial-up internet vs. broadband. 1x is dial-up, 3g is broadband. Untill 4g gets here and 3g will seem like poo.
  5. jonbar87

    jonbar87 Well-Known Member

    I'm having the same problem. My incredible keeps switching between 3G and 1x, although my wife's droid does not. Beings both phones are in the same location it makes me think it might be a bug with the Incredible's software or hardware...? anyone else experiencing this issue?
  6. Wakerider318

    Wakerider318 Active Member

    exactly so no need to worry about roaming charges..
  7. woop

    woop novacane (OFWGKTA) VIP Member

    1x is voice, 3g is data.
  8. russell5

    russell5 Well-Known Member

    I had that problem when i had a droid. But it could of been the custom rom.

    But i havn't really noticed it yet with the inc
  9. ATP

    ATP Member

    I've been using the HTC diamond for the last year and a half. For some reason you can be sitting in one spot, and one min have full 3g, or whatever the max was for Diamond, and the next have nothing. I have to move my phone around and maybe "put it to sleep" and then bring it back. After that my connection is fine. It must be a "cell" thing. I don't know why. Don't think that probably helps, just giving you my experience.
  10. jbass350z

    jbass350z Well-Known Member

    No. You still get data, just not fast speeds.
  11. CRPercodani

    CRPercodani OFWGKTA VIP Member

    1X EVDO Rev A (3G)


    CDMA2000 1X (IS-2000), also known as 1x and 1xRTT, is the core CDMA2000 wireless air interface standard. The designation "1x", meaning 1 times Radio Transmission Technology, indicates the same RF bandwidth as IS-95: a duplex pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the forward link, orthogonal to (in quadrature with) the original set of 64. The 1X standard supports packet data speeds of up to 153 kbps with real world data transmission averaging 60–100 kbps in most commercial applications.[5] IMT-2000 also made changes to the data link layer for the greater use of data services, including medium and link access control protocols and QoS. The IS-95 data link layer only provided "best effort delivery" for data and circuit switched channel for voice (i.e., a voice frame once every 20 ms).


    EVDO Rev A (3G)



    Revision A of EV-DO makes several additions to the protocol while keeping it completely backwards compatible with Revision 0.
    These changes included the introduction of several new forward link data rates that increase the maximum burst rate from 2.45 Mbit/s to 3.1 Mbit/s. Also included were protocols that would decrease connection establishment time (called enhanced access channel MAC), the ability for more than one mobile to share the same timeslot (multi-user packets) and the introduction of QoS flags. All of these were put in place to allow for low latency, low bit rate communications such as VoIP.[7]
    In the United States, Verizon Wireless and Sprint Nextel have migrated 100% of their EV-DO Rev.0 networks to EV-DO Rev. A.
  12. jonbar87

    jonbar87 Well-Known Member

    That's odd....i never had the problem with the stock or rooted droid but do with the incredible.
  13. Cry0g3n1c

    Cry0g3n1c Active Member

    This is quickly becoming a huge problem for me, in places where my omnia and and razr both get fine 3g, my dinc is getting one or two bars of 1x... Anyone else having this issue? I'm getting genuinely concerned, is this means for a replacement phone? Any input?
  14. CRPercodani

    CRPercodani OFWGKTA VIP Member

    If your actually dropping to 1x where you didn't with other phones then something is wrong. I would look into a replacement.
  15. CM67

    CM67 Well-Known Member

    So you get charged for roaming data on Verizon? ... I never heard of that
  16. appleaj

    appleaj Well-Known Member

    True story.
  17. CRPercodani

    CRPercodani OFWGKTA VIP Member

    No, it's free. If you had a ungodly amount then they might terminate your account though.
  18. Brian_83

    Brian_83 Well-Known Member

    A couple things. You're on a nationwide plan which is also nationwide data. There is no roaming.

    As others have said 1X is slower than 3G. Voice travels over the 1X network. Text messages also travel over the 1X network. You may notice your phone display switching to 1X when sending/receiving text messages or on voice calls. This is normal. It should go back to 3G as soon as you're finished and normal data is resumed.
    Trooper likes this.
  19. ramcharger1979

    ramcharger1979 Well-Known Member

    You ever thing that the phone is switching off the 3g when not needed to save power?
  20. Trooper

    Trooper Well-Known Member

    Thanks for this post. I always wondered why my phone when to 1X when sending text messages.
  21. hexto

    hexto Guest

    1x is 2.5G...a stepping stone between 2G and 3G. 1G was analog, 2G was digilal (CDMA2000), 1xRTT was not enough of an improvement to be considered next gen so it was dubbed 2.5G, and EVDO with its always on data and faster speeds was enough of an improvement to be called 3G.

    You should still be able to stream music on 1x but video might get choppy if not paused to buffer.
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