random blue flashing screen + dual vibration + dual sonar beep

Question

iPhone 4

iPhoneの第4代目で、修理はそのままパーツを直接交換するだけです。しかし、正面ガラスとLCDはセットで交換する必要があります。容量はGSM / 8,、16m32 GB / モデル番号 A1332 /本体カラーは黒と白色

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Zark @zark35676

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投稿日: 2011年3月14日

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random blue flashing screen + dual vibration + dual sonar beep

Hi, since i transformed my iphone (v4, IoS 4.2.1, jailbroken) with a white kit, i have a strange issue never faced before. From time to time, on a random basis, my iphone does a 1sec flashing blue screen + dual vibration + dual echo sonar like beeping.

It's not the usual signal for an email nor sms or notification, sound is different. And doesnt signal anything, just acts like that randomly. I wish it stayed quiet ! :)

I was wondering if someone would know how to fix this annoying issue ? already tried a search on the net, but not exactly documented. Also already tried a hard reset and a system reinstall, but unsucessfully fixed that.

I'm not sure if it's related to the white kit tranformation or something else...

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Majesty @majesty68214

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投稿日: 2011年3月14日

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This definitely sounds hardware related. I don't think it's software or jailbreak related as I've never heard of this issue. Did u install the conversion yourself, or did u have it done elsewhere? I would reopen the device and check all connectors to the LogicBoard.

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did install myself very carefully, but did suspect it could be that. As i still need to fix the proximity sensor too (it seems i need to darken a part to allow it to work with a white kit) i'll double check... Is there any place where some hardware alarm would be documented ?

Zark さんによる2011年3月15日

(update) i observed the thing and in fact it seems to happen only when it's network data connected during daytime... weird. i'll see if another cautious reopen and check will fix that...

Zark さんによる2011年3月16日

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did install myself very carefully, but did suspect it could be that. As i still need to fix the proximity sensor too (it seems i need to darken a part to allow it to work with a white kit) i'll double check... Is there any place where some hardware alarm would be documented ? — Zark
(update) i observed the thing and in fact it seems to happen only when it's network data connected during daytime... weird. i'll see if another cautious reopen and check will fix that... — Zark

iPhone 4

random blue flashing screen + dual vibration + dual sonar beep

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