4-inch iPhone released in March 2016 with similar hardware specifications to the 6s. Available in Silver, Space Grey, Gold, or Rose Gold with 16/64 GB storage options. Model A1662 and A1723.

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iPhone red battery when plug in

iphone had a crack screen got wet it work for a day. It stop working battery show red level when plug in so i replace the battery and screen all when well but still shows battery red level . Could the logic board be bad or should i stop spending money on this phone.

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Sounds like a board issue where the U2 Tristar Charging IC, a communication chip that controls charging of the battery and power being provided to the phone, has gone faulty from liquid damage.

It's going to cost quite a bit to get this problem fixed as it requires micro soldering to replace the chip which is usually on the other side of the board and is covered by metal shields.

You will have to look for someone that does micro-soldering if you want to get an issue like that fixed.

You could try charging port but that requires spending more money on trying out replacement parts.

Try to look for a shop with a no-fix no-fee model as they are generally good mobile phone repair shops.

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