LG GS290 mic trouble can't make calls or record voice messages

Fault description:Due to some hardware reason LG GS290 mobile got mic trouble. This is a minor fault in LG mobile but due to this we can’t complete any call and also can’t record any voice message.    Fault solution:For this mic solution we have to change mic from five point mic to ordinary two leg universal mic using 1k resistor and two jumpers. 1.       First remove that default mic 2.       Then pick universal mic and connect first point to default mic’s first point as shown with black line in image below. 3.       Then connect second...

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LGkp500 mic trouble no voice

Fault description:In lg mobile sometime mic starts not responding during call so at callers end no voice generates. Due to this we can’t record voice in voice recorder and can’t make any call properly. Fault solution:For this mic solution we have to follow all these procedure step by step:1.       First we should change new mic and then check for voice sound.2.       Then clean both mic connectors positive and negative for proper voltage.3.       If proper voltage appearing on point then use following jumpering solution as shown in image: 4.      ...

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BlackBerry bold 9700 problem can't access sim in mobile

Fault description:Blackberry bold 9700 sometimes shows insert sim card message while sim has been inserted into the mobile. This problem occurs because there is some internal track missing from the sim tray to the sim IC and sometime due to a shorted sim IC. So we can't access the sim in the mobile. Fault solution:For a quick and proper solution for this error we have to follow all these steps carefully: 1. First we should change the sim card because sometimes the sim card has internal shorting in a circuit so we can't use it. This is a hidden defect and one you aren't going to detect until you see the insert sim card message on your screen...

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BlackBerry bold 9000 speaker pops in handsfree problem

Fault description:BlackBerry bold 9000 sometimes has a handsfree problem. So we can't use the earphones and sometimes the mobile shows the handsfree logo on the screen permanently. We got this error due to some settings being mismatched and sometimes due to hardware problems.  Which brings us to another point to be made. If ever you can't figure out the reason for some type of disruption to service occurring, always check for hardware problems. It happens more often than you think. It could be something minor, or it could be something far more serious. Fault solution:For solving this problem we have to first check the setting for a...

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IPhone 3g home button not working

Fault description: IPhone mobile have just one button on front side that is home button. Sometime home button doesn’t work in this case we can’t start menu or any program in iPhone. Even we can’t unlock iPhone because home button is main key for all programs. Fault solution: For solving this problem we have to carefully follow all these below described steps:1.       For quick solution of this problem we have to first clean flex connector from any dust or carbon 2.       Than try to replace keypad filter as shown in yellow mark in image  and  check button 3.      ...

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IPhone mobile refuses sim card

Fault description: In IPhone sometime mobile refuse to accept sim card it shows no service message instead of network indication. In some case we get network error that automatically no service message appears and we can’t connect call this is due to sim card IC problem Fault solution: For this problem solution we have to first check that weather flight mode is set to off mode then try following methods:1.       First try to change sim card then check problem2.       Secondly change the sim card jack and check for solution3.       If no success then check...

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