Razr M Antennagate?

Discussion in 'Droid RAZR M' started by zbaba4, Sep 15, 2012.

  1. zbaba4
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    zbaba4 New Member

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    Already have a Razr Maxx. Got a Razr M for my wife. I noticed it was dropping down to 3G a lot (at home), my Maxx stayed locked on to 4G. Checked signal level. Typically Maxx @ -95 dbm (3 or 4 bars), M @ -112 dbm (1 or 2 bars). That's a lot lower. I played with it and quickly noticed that if I wasn't holding it, the M was -103 dbm. That is, holding it with my left hand. Sound familiar ? The Maxx had a sleeve so I took it off, no difference. Improvised a sleeve for the M, level -103 db.

    I will try it around town today but I expect it will track. Result expected, M signal level is either 7 or 17 dbm lower than Maxx depending on whether you are holding it or not and sleeved or bare. I know from back in the iPhone antenna problem days we were made aware all phones can be effected by how you hold them but a 10 db difference seems like a lot.

    So there are two issues here:
    Is the Razr M weaker than the Razr Maxx (or Razr) in 4G signal level detection? Not just num of bars, It drops down to 3G
    Does the Razr M have an antenna problem like the iPhone did when you hold it ?

    Can anyone run some tests to confirm?
  2. speedy328
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    speedy328 New Member

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    This is very interesting and disappointing. I always considered Motorola to have the best radios.

    Since reading this OP I've noticed at least a 10 point improvement in signal strength when NOT holding the phone placing it flat on desk), regardless of hand or on the top or bottom.
  3. geoff5093
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    geoff5093 New Member

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    I hope the RAZR MAXX HD doesn't have this issue...
  4. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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  5. tjk629
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    tjk629 New Member

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    Wonder if the Razr HD will have a similar design.
  6. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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    those with problems may try sending your info to the forum manager they are currently looking into the issue.
  7. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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    no razr hd is designed differently.
  8. str0ntium
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    str0ntium New Member

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    I have no issues, with the radio. In fact, it's pretty kick ass. Those of you that are having problems need to focus on the towers and the load in your area. Stop blaming the hardware, off the bat. It gets old. If your towers are overloaded, tough. Switch providers. The radio, in this phone (hardware and all) is tight.
  9. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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    Calm down the op is not the only one noticing issues. For motorola to be looking into it there may be a problem even if it is a software issue. I would not be surprised to see a baseband update for the razr m.
  10. jntdroid
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    jntdroid DF Super Moderator Premium Member

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    A few things to keep in mind - and I'm by no means saying this isn't an issue:

    • Every time, and I mean every time, Verizon releases a new LTE device, they seem to have network issues for the first week or so.
    • It was discovered quite awhile back that a lot of the LTE connectivity issues were due, in part, to authentication issues between the network and said LTE device.
    • Between those two issues, it's quite possible that these are simply growing pains in the first days of a new LTE device on the network.
    • Software patches helped *most* Bionic users and *most* Gnex users, so if my theory above is wrong, there's still hope.
    • I say all of that knowing that I've had a M for a few days now and the signal strength has been excellent, easily on par with previous devices (which includes all devices mentioned in this thread so far). So my hope is that these issues are isolated.

    - sent from my Razr M -
    Last edited: Sep 16, 2012
  11. josh1980
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    josh1980 New Member

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    I'm not an RF engineer, but if you're holding the phone in your hand you are shielding some of the signal... so no surprises there. "How much" it affects it is a different story.
  12. zbaba4
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    zbaba4 New Member

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    pc747, thanks for pointing me to the Moto owners forum. I am happy to see I am not the only one discovering this.

    You say Moto is working on it. Where did they say that?

    In a different post in this forum I said I returned it. Verizon has their refund restrictions and I don't want to wait for a potential fix.



    For

  13. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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    It will be after your 15 days. Being it could be isolated go to vzw and get a new razr m. If you still have that problem then get your refund before the 15 days.

    Sent from my Galaxy Nexus using Tapatalk 2
  14. jntdroid
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    jntdroid DF Super Moderator Premium Member

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    Not trying to nitpick PC, but I believe it's 14 days, not 15... I'd just hate to see him walk in on day 15 and them say, "sorry, missed it by a day!" :)

    And z, I don't blame you at all, and again wasn't intending to say that you weren't experiencing something legit. If I was in your shoes, I'd do the same thing. Don't want to use an upgrade on a phone that's going to spend 6 months acting like that if it turns out to be a more complicated fix. Might as well wait until they drop the Maxx to $100 and get another one of those!
    Last edited: Sep 17, 2012
  15. zbaba4
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    zbaba4 New Member

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    I went to 2 Verizon stores. I tried the demo M phones side by side with their Razr Maxx. The Ms had 1 or 2 less bars and was switching to 3G and back. More importantly the signal strength on the M in 4G was 20 dbm lower than the Maxx. Proves its not just my phone so I returned it! I'm back to my Droid X and I'll watch the forums for a fix. Still need a phone.

    Also, you said Moto is working on it. Is that posted anywhere by Moto??


  16. jntdroid
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    jntdroid DF Super Moderator Premium Member

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    I think he was simply referring to the fact that Matt, the forum manager over on the Moto forums (who also is "in charge" of soak tests, etc.) was looking into it. Correct me if I'm wrong pc!
  17. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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    u right I believe it is 14 days thanks for the correction.
  18. liftedplane
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    liftedplane Well-Known Member

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    Why so hostile? Just because you aren't having issues does not mean they don't exist. The op ran the m vs his maxx and still noticed a difference. Therefore there its an issue. Don't come into a thread and accuse people of automatically blaming hardware.

    On topic, I'm sorry to hear this is happening, I'm waiting for the note 2 myself or maybe Motorola's new device. Either way hopefully Motorola can fix this.

    Sent from my frozenly delicious bionic.
  19. pc747
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    pc747 DF Administrator Staff Member Rescue Squad

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    Correct. Plus vzw is very bad at pushing software patches even emergency ones. When they released the tbolt they pushed an ota that sent the already battery hungry phone into bootloops. Despite devs finding a fix within a day it took vzw 3 to 4 months to push a fix. So yeah even if motorola had a fix today vzw would drag their feet to push it. So I would not recommend waiting for it.
  20. jntdroid
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    jntdroid DF Super Moderator Premium Member

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    To add a bit to this... :frown:

    All I have is my wife's iPhone to compare with. 3G dbm's were comparable on both (upper 60s to low 70s). LTE dbm's were on average 10 or so higher than 3G, for whatever that may or may not be worth.

    We live within 100 yards of a Verizon tower. I could see how someone in a fringe area, or even farther from a tower, might have an issue with it switching back to 3G too often, especially if you're carrying it without a case. I wish I had a Maxx to test this with, as well, but it appears the M has similar attenuation "issues" to the iPhone. Again, the good part is it's not dropping data altogether, so a software tweak could possibly (?) tell it not to switch back as "easily". You'll probably have to expand these to see the numbers. Sorry about that, each video was taken with the other phone. (Sidenote: the iPhone does a much better job at capturing the true light/colors in the room! )

    M:



    iPhone:

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