Why my phone gets very hot in seconds and drains insane the battery

Question

iPhone 6s Plus

Дата выхода 25 сентября 2015 г. Модель A1687 / A1634. Ремонт данного устройства схож с предыдущими моделями, требующий отвертки и инструменты для вскрытия. Доступен в версиях GSM или CDMA; с 16, 64 или 128 ГБ памяти; в цветах: Серебристый, Золотой, «Серый космос» и «Розовое золото».

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Alin Ghetu @alin92

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Опубликовано: 21 янв 2018 г.

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Why my phone gets very hot in seconds and drains insane the battery

My iphone 6s plus does not charging any more and if i put a charged battery it get stuck on apple logo, i can put it in recovery mode or dfu mode( it recognise the cable) but does not connect with the pc, can it have something else than the u2 chip?

Now if i put the phone on airplane mode it work fine, even on antutu benchmark with airplane mode off i hot 80000 and airplane mode on 135000, it does not drains battery and does not get hot, can i fix it?

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Minho @refectio

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Your Tristar (U2) IC is probably damaged. This IC handles all communications with whatever is connected to the Lightning port...that includes the battery charger and computer. However it can happen that the charging is affected but not communications with the computer.

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Thanks for help, i took it to a repair shop and they told me its not the u2 ic because its not booting, can there be something else?

21 янв 2018 г. из Alin Ghetu

A failed U2 can also cause boot issues...it depends how the circuit fails. Did they even open it up and take a look at it?

22 янв 2018 г. из Minho

Yes, they have change the u2 and now the phone is charging but still not booting or connecting to pc, i am not sure ifthey did it right

22 янв 2018 г. из Alin Ghetu

Since they already changed U2, then tristar isn't the fault here as it's still getting stuck on apple logo.

Have you tried updating the phone first to see if that helps? If you get an iTunes restore error, post it here.

Also if you want you can also try restore but only do that option if you dont have any data to backup from the phone.

22 янв 2018 г. из Ben

Problem solved, it was a faulty rezistor and the u2 chip, now it works, thank you for your help

24 янв 2018 г. из Alin Ghetu

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Thanks for help, i took it to a repair shop and they told me its not the u2 ic because its not booting, can there be something else? — Alin Ghetu
A failed U2 can also cause boot issues...it depends how the circuit fails. Did they even open it up and take a look at it? — Minho
Yes, they have change the u2 and now the phone is charging but still not booting or connecting to pc, i am not sure ifthey did it right — Alin Ghetu
Since they already changed U2, then tristar isn't the fault here as it's still getting stuck on apple logo.

Have you tried updating the phone first to see if that helps? If you get an iTunes restore error, post it here.

Also if you want you can also try restore but only do that option if you dont have any data to backup from the phone. — Ben
Problem solved, it was a faulty rezistor and the u2 chip, now it works, thank you for your help — Alin Ghetu

iPhone 6s Plus

Why my phone gets very hot in seconds and drains insane the battery

Update (01/24/2018)

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