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  1. Thread Author  Thread Author    #1  

    Default Cell "Time Without Signal" ~ 50%

    On my Evo, I was able to reduce this by running that "Network" App (from market) and setting cdma -auto (prl).

    When I try and run the same app on my Epic 4G, it forces close, and doesn't let me change it.

    Question:
    How can I set the network to be cdma- auto (prl) and stop the hunting for he non-existant GSM?

    HELP! It's slurping down the battery to the point where it might need to be returned.

    Thanks,
    Mike
  2. #2  
    NSS
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    Well if you know where your at with no service turn it to flight mode by holding down the lock/power button. I don't get service in my little office at work so I just turn it flight mode and save A LOT of battery.
  3. #3  

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    Quote Originally Posted by NSS View Post
    Well if you know where your at with no service turn it to flight mode by holding down the lock/power button. I don't get service in my little office at work so I just turn it flight mode and save A LOT of battery.
    I keep hearing this answer to signal concern questions and this doesn't really solve the problem. The OP wants to connect to CDMA, not eliminate all questions. If I was going to put my phone in flight mode to save battery at work then I'd just go ahead and turn it off. I still want to receive text messages...
  4. Thread Author  Thread Author    #4  

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    Does this problem exist on Verizon??

    It's 2010. Why would a Sprint CDMA phone try to connect to GSM anyway?

    Mike
  5. #5  

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    Quote Originally Posted by pcguys View Post
    Does this problem exist on Verizon??

    It's 2010. Why would a Sprint CDMA phone try to connect to GSM anyway?

    Mike
    On the Eris (Verizon), it was a huge problem. The phone is not trying to connect to a GSM tower. Android, however, does work on GSM networks so the capability is in the OS

    OP -- It's not just you. Looks like there may be a network programming issue that needs addressed by Sprint. Keith Newman is working on a temporary fix, as he has the same issues. I'll holler at him to come visit this thread
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    Ok so i just checked my girlfriends Epic and her time w/o signal is at 50% and we have been in the same location where my Evo's time w/o signal is at 0% obviously this is a major problem and causing a lot of unnecessary battery drain. Also I downloaded the "Network" app and tried setting it to CDMA auto PRL but when I exit and return it shows it set to WCDMA (a.k.a. GSM 3G).

    I think the problem is that this is a galaxy S phone and all the others are GSM so they have the GSM radios in it by default. Which in itself is not a problem but they need to be turned off. The phone needs to be able to be set to not look for GSM towers. Since the network app won't work nor does *#*#4636#*#* I have no clue as to how this will get fixed w/o a software update from Sprint/Samsung.
    Please thank me if I have helped!

    Current Phone - Sprint GS3

    Previous Phone - Evo 3D - Evo 4G
  7. #7  
    AndroidOne's Avatar

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    OK I checked, my time without signal is also 50% and I am on a strong Sprint area where I have good reception at all times. Don't know what to make of this information as I don't have any battery drain issues as some of you do.
  8. #8  

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    Guys, who are having this problem, what is the build date of your device?? It is posted under the battery. I am trying to see if there is a relationship between these issues and device's build date.
  9. #9  

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    Quote Originally Posted by NSS View Post
    Well if you know where your at with no service turn it to flight mode by holding down the lock/power button. I don't get service in my little office at work so I just turn it flight mode and save A LOT of battery.
    I did this last night and I must say, it has saved me a TREMENDOUS amount of battery life! Initially, I read about this on the XDA forums and I noticed how people it's a quick fix until a permanent fix is available. So I did it before I went to bed and left my phone off of the charger to see how much battery drain there would be. Battery drainage decreased drastically and so far today, my battery is doing excellant. Yesterday, my cell standby was around 58% and today ... it's 8%. That's a MAJOR difference.

    Edit: I just wanted to clarify that I didn't actually leave flight mode on. Per directions over on the XDA forums, it says to turn flight mode on and then turn it right back off. That resets the radio.

    Even though this fixes the problem temporarily, Sprint|Samsung seriously need to come out with an update that will rid problems like these. Hopefully it'll be one soon.
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    Toggling on and off airplane mode fixes the issue until next reboot. But it also breaks gps. There is a bigger programming issue here. Can't wait for froyo.
  11. #11  
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    I am also showing 50% without signal even though my signal has been consistent all day.
  12. #12  

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    Have you guys updated the PRL? Mine started giving me high TWS, and it was suggested on another forum to update it. Ever since then it's gone back down to 0-2%.
  13. #13  
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    Wanna elaborate?
  14. #14  

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    It's under "About Phone"->"System Updates" and then choose update Profile and PRL. Supposedly Sprint updates the network and which towers to use, what carriers to roam on, etc and when you update the PRL it can help with the high TWS situation. Yesterday mine was getting 50 and 51% and so I tried it and it worked and instantly went back down.
  15. #15  

    Default Re: Cell "Time Without Signal" ~ 50%

    I'm kinda new here with android, hoe are you guys checking the time without signal? I can't find any status menu for that on my Epic



    Sent from my SPH-D700 using Tapatalk
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    Quote Originally Posted by Toast95135 View Post
    It's under "About Phone"->"System Updates" and then choose update Profile and PRL. Supposedly Sprint updates the network and which towers to use, what carriers to roam on, etc and when you update the PRL it can help with the high TWS situation. Yesterday mine was getting 50 and 51% and so I tried it and it worked and instantly went back down.
    The reason updating your PRL seemed to work is because a PRL update forces the radio to restart, the same effect turning airplane mode on and back off has. The PRL is still 60670 and has been for a few weeks. Just thought I'd point this out
    Former Android user trying iOS on for size.
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    Quote Originally Posted by Miles.C View Post
    The reason updating your PRL seemed to work is because a PRL update forces the radio to restart, the same effect turning airplane mode on and back off has. The PRL is still 60670 and has been for a few weeks. Just thought I'd point this out
    Exactly, reboot phone and you'll notice time without signal going back up.
  18. #18  
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    How do we contact Samsung or Sprint about this?
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    Quote Originally Posted by KoukiFC3S View Post
    How do we contact Samsung or Sprint about this?
    Beyond calling CS for both companies a few times, I don't think there's really much that can be done until Froyo is rolled out for the device. It's only been a week since the phone was released and those of us used to dealing in the mobile tech world know all too well how issues often arise early on with the release of a device.

    One would assume that both companies are aware of this issues, as well as others that will be fixed with Froyo. At this point, it's simply a matter of waiting patiently.
    Former Android user trying iOS on for size.
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    Quote Originally Posted by yellowxboy View Post
    I'm kinda new here with android, hoe are you guys checking the time without signal? I can't find any status menu for that on my Epic
    I was confused for a good while too; I couldn't find it anywhere :/ Just go to battery use under "about phone" and tap on Cell Standby, it will tell you there!
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    Got an error and ended up double posting - sorry :x
  22. #22  

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    I live in Florida but took the Epic to NY for a few days right after I got it. In NY, my time without a signal was less than 2% and the battery got stronger each day I was there with each re-charge(and the radio reset trick each morning). I am back in Florida and so far my time without a signal is 18% and the battery is definitely draining faster.

    Ultimately, if this lack of signal strength at my home and work causes the battery to drain to quickly I will need to return my Epic and leave Sprint. This is my first experience with Sprint and will be disappointed to have to part with such an Epic phone.
  23. #23  
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    Quote Originally Posted by madlaw1071 View Post
    I live in Florida but took the Epic to NY for a few days right after I got it. In NY, my time without a signal was less than 2% and the battery got stronger each day I was there with each re-charge(and the radio reset trick each morning). I am back in Florida and so far my time without a signal is 18% and the battery is definitely draining faster.

    Ultimately, if this lack of signal strength at my home and work causes the battery to drain to quickly I will need to return my Epic and leave Sprint. This is my first experience with Sprint and will be disappointed to have to part with such an Epic phone.
    You could just toggle airplane mode on and off every time you reboot the phone. That would fix your time without signal issue.
  24. #24  

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    Quote Originally Posted by Andrew Ruffolo View Post
    Toggling on and off airplane mode fixes the issue until next reboot. But it also breaks gps.
    Is this why there are GPS issues?
  25. #25  

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    Quote Originally Posted by Andrew Ruffolo View Post
    You could just toggle airplane mode on and off every time you reboot the phone. That would fix your time without signal issue.
    Yes, I've been doing that daily since the tip was posted but since I've returned to FL I think I have a crappy signal at home and thus the % is rising and battery deteriorating.
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