Digitizer not functioning well.

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Reparo iPhone 4

iPhone de quarta geração lançado em 2010. O reparo é simples, mas o vidro frontal e o LCD devem ser substituídos juntos, como uma unidade. GSM / 8, 16 ou 32 GB de capacidade / Modelo A1332 / Preto e Branco.

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SIMRAN @simransingh

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Postado: 4 de abr de 2012

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Digitizer not functioning well.

iphone4 16gb stop responding to touch after talked on the phone. it was working well before i listened to call for near about 40min. after disconnecting the call touch of phone not working. i restored the phone 2 times. check the internals . nothing found out. changed the screen 3 times from the market and 1 from the working phone. touch of this phone is working in another phone but not in this phone. i takes out the logic board and remained un contacted from battery for 30 mins but still same . logic board looks fresh. phone never opened before. i checked only. help.........

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Nick @nick

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Postado: 11 de abr de 2012

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First, this is going to need a new display assembly. If that doesn't work, then it's the motherboard in the phone, or simply a defective replacement. Get another one if this is the case to confirm.

iPhone 4 Display Assembly Replacement

Should this be the motherboard, don't bother fixing it. The boards cost more then a phone and you have to be careful, since some of them are IMEI/ESN blocked. You can't verify a lot of these, since some sellers don't know or evade the question for obvious reason. I wouldn't bother.

They can also cost more then the phone is worth at times.

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i changed so many . the problem is in the logic board . have any idea ? i found 2 chips are responsible for this but very hard to get that .

11 de abr de 2012 por SIMRAN

You need to know compoent level soldering, whicj is that tough

12 de abr de 2012 por Nick

yup i will try with that . otherwise last option is to replace the logic board

12 de abr de 2012 por SIMRAN

like I said, you need to compare the cost and find the best deal, DO NOT buy used boards due to the IMEI block risk, only time you do is if you get a cracked 4 on craigslist and it is not stolen, and the IMEI is clean and checkable

12 de abr de 2012 por Nick

Here in india apple is replacing the phone on chargeable basis. i will go there becoz they are giving a new phone. then thats it the better option.

12 de abr de 2012 por SIMRAN

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i changed so many . the problem is in the logic board . have any idea ? i found 2 chips are responsible for this but very hard to get that . — SIMRAN
You need to know compoent level soldering, whicj is that tough — Nick
yup i will try with that . otherwise last option is to replace the logic board — SIMRAN
like I said, you need to compare the cost and find the best deal, DO NOT buy used boards due to the IMEI block risk, only time you do is if you get a cracked 4 on craigslist and it is not stolen, and the IMEI is clean and checkable — Nick
Here in india apple is replacing the phone on chargeable basis. i will go there becoz they are giving a new phone. then thats it the better option. — SIMRAN