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Discuss [sleep mode] no incoming call at the General - Hackint0sh.org; Originally Posted by Locked Did you guys try another SIM card? may be it has ...
  1. #31
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    Quote Originally Posted by Locked View Post
    Did you guys try another SIM card? may be it has something to do with the chip on the SIM.
    tryed another sim, like locked sugested!

    nothing survieves the restore,
    no software on your iPhone is going to stay, just the kernel!

    • -

    *̡͌l̡*̡̡ ̴̡ı̴̴̡ ̡̡͡|̲̲̲͡͡͡ ̲▫̲͡ ̲̲̲͡͡π̲̲͡͡ ̲̲͡▫̲̲͡͡ ̲|̡̡̡ ̡ ̴̡ı̴̡̡ *̡͌l̡*


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    Quote Originally Posted by shodanjr_gr View Post
    The iphone could be entering a low-power mode or something related and some sims or phone networks might not support that.

    It CAN NOT be a custom application issue if people RESTORE via itunes, a restore brings the iphone OS to its virgin state, NO custom applications or hacks survive through it.

    Try swapping sims for starters.

    edit: another interesting theory on the apple forums is that the incoming calls arrive while iphone is using EDGE to recieve mails/update stocks/whatever while in sleep mode, thus causing the calls to go to voicemail.

    Swapped sim (3 different operators), the problem remains...

    I have thought about edge, but it is not related to this. I disabled edge (removing apn server) and the problem persisted

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    Disabling EDGE might not always help since removing the AP does not actually disable the service.

    The iphone WILL try to startup a connection and fail to do so due to not having the settings, but calls might still get dropped during that time...

    Another theory (that's mine btw ) is that during sleep mode the iphone goes into low-power GSM and drops your signal...how strong is your signal when the phone is awake?

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    Quote Originally Posted by shodanjr_gr View Post
    Disabling EDGE might not always help since removing the AP does not actually disable the service.

    The iphone WILL try to startup a connection and fail to do so due to not having the settings, but calls might still get dropped during that time...

    Another theory (that's mine btw ) is that during sleep mode the iphone goes into low-power GSM and drops your signal...how strong is your signal when the phone is awake?

    It happens all the times the iphone is in sleep mode, not in awake mode. And when i awake the phone, I get the missed call info. So I believe it is not related to edge.

    My signal is very high (all five 5bar), and I have already tried in different locations....

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    I am having a similar problem with my iPhone.

    From what was indicated above, it appears that power to the communications board is interrupted when the phone goes to sleep. This interruption may not occur if the phone is plugged into a power source. If this is truly the case, then no amount of relocking/unlocking is going to help because it is NOT a commboard issue. It sounds more like a logic board issue. I also doubt it's software because - logically - a restore should solve that.

    I have a spare (broken commboard) iPhone lying around. I will attempt to swap the logic boards and see what happens. Don't hold your collective breaths because I am not sure when I'll get down to it, or if it will even work.

    Roy


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    I have to remind you, that if iPod launched then iPhone ring too. So I doubt of it have something to do with power. And what the difference between locked sleeping iPhone and unlocked sleeping iPhone? But if it isn't locked then it rings.

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    I am not sure if I understand you, TapaH.

    I am assuming that the commboard is functioning properly if the phone works when it's not sleeping. My assumption is that when the phone goes to sleep while running solely on battery power, the logic board stops supplying the commboard with the necessary juice to keep it running.

    I have noticed that when I wake the phone from sleep (under battery power), the signal strength is invariably at zero. It will then briefly show "No Service", then regain full strength, register network, etc. When it's plugged into a power source, waking the phone from sleep reveals full signal strength without any interruption.

    On another hand, it could still be a commboard problem if it doesn't like low-power scenarios. I am hoping it's not a commboard issue.

    Anyone else with theories?

    Thanks!

    Roy

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    Quote Originally Posted by mauler View Post
    I am not sure if I understand you, TapaH.

    I am assuming that the commboard is functioning properly if the phone works when it's not sleeping. My assumption is that when the phone goes to sleep while running solely on battery power, the logic board stops supplying the commboard with the necessary juice to keep it running.

    I have noticed that when I wake the phone from sleep (under battery power), the signal strength is invariably at zero. It will then briefly show "No Service", then regain full strength, register network, etc. When it's plugged into a power source, waking the phone from sleep reveals full signal strength without any interruption.

    On another hand, it could still be a commboard problem if it doesn't like low-power scenarios. I am hoping it's not a commboard issue.

    Anyone else with theories?

    Thanks!

    Roy
    Just to inform you. I have the similar problem, but when I awake my iphone, my signal does NOT change. It keeps as high as it should (NO no service, or register again in the network)..... ( I tested a few times to check).
    The proof that the signal remains is that I always have the missed call messages after I awake the phone, so the commboard received and registered the call...
    See that THUMBS UP ON THE LEFT? Its used to add reputation points! If you think my post was useful, please click!:p

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    Wait a few hours. My friend said me that he had fixed this bug by software. I'll get my phone back and check, then I'll tell if it's true.

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    Quote Originally Posted by TapaH View Post
    Wait a few hours. My friend said me that he had fixed this bug by software. I'll get my phone back and check, then I'll tell if it's true.
    If it is true. I will need a picture of you and of your friend to put over my desk, as my mentors!
    See that THUMBS UP ON THE LEFT? Its used to add reputation points! If you think my post was useful, please click!:p


 

 

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