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CDMA interference/noise?

Discussion in 'GENERAL Wireless Discussion' started by TWX, Apr 11, 2011.

  1. TWX

    TWX Mobile Enthusiast
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    Hey Guys,

    Recently I switched from AT&T to Verizon Wireless. I purchased a CDMA iPhone 4 because it fits my needs. However, it's been about 8 years since I was on a CDMA network. I love the call clarity and 3G data speed in my area. However, once in a while when I am within the first few minutes of a call, I will hear an odd "zzzzht" "zzzt" zapping noise. This sometimes goes on for 10 seconds or more/less, then disappears for the remainder of the call. I never heard this on my GSM iPhone besides the interference with some speakers.

    Have any of you on a CDMA network heard this while on a call? Or is it my iPhone's earpiece?
     
  2. crood

    crood Senior Member
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    I was on Verizon for years and am now on Sprint. I've never experienced anything like that. I suspect the phone. Do you know anyone else with a Verizon iPhone?
     
  3. TWX

    TWX Mobile Enthusiast
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    I have another Verizon iPhone on a different line. I tested calls between it today and heard nothing on either phone. In fact, I heard no buzz or zapping noise all day. The last time I heard it was in my basement, which was with 2 or 3 bars of signal. Also, my WiFi booster was about 12 feet away from me, so maybe that had something to do with it. I remember reading somewhere that on the Verizon iPhone, some units get affected by WiFi when the phone is near a WiFi router/booster.
     
  4. QLR

    QLR RIP Note!
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    This is weird, but sometimes I have my Zune too close to my Incredible and I hear some noise through my earplugs...but this only happens to me at work. Zune + Computer/monitor + phone yields the buzz on my earbuds. I never heard it on a phone call at all.
     
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  5. TWX

    TWX Mobile Enthusiast
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    I think I may have figured out the problem/cause. When talking on my iPhone 4, if I push the earpiece with more force against my ear/face, the more the earpiece speaker makes the "static: ssszzht" noise. It's faint but I can hear it without listening for it during calls. I really don't want to get a replacement because I had to replace my original iPhone 4 for Verizon about 2 weeks ago. Since then I put Steinheil screen/backplate protectors on the replacement and did a really nice job. If I get a replacement, I'll have to buy new protectors and redo the entire process.
     

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