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Repair information and guides for the iPhone 6 that was released on September 19, 2014. Model Numbers: A1549, A1586, and A1589

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not charging and taking along time to boot to home screen

@refectio i have an issue with this iphone 6. when i got it, it wouldnt boot. on dc and charger with battery disconnected it took around 0.23 amps. i removed tristar and tried dc again and got apple logo. put a new tristar on and as soon as the amps reach around 0.83 the phone restarts. it now eventually boots to the home screen after a few minutes but it wont charge, not showing the lighting symbol in the battery and it stays at 1%. i have already changed tigris aswell, tried a different cable, battery and port. do you have any ideas

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Hey Daniel. Did this phone just die out of the blue (the famous nightstand issue ;>) or was it dropped or came into contact with liquid?

You should probe around the charge circuit again looking for any anomalies. Specifically, check the SWI line (battery) and C1402/L1401 in the Tigris area. However, the fact that the phone takes a while to boot could be an indication that there is another issue at play here. Seeing as how you have already changed pretty much everything in the charge circuit, I would check out the PMIC and BBPMU outputs to see if another subsystem is causing any issues to the boot process.

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The pp3v3_acc cap above Tristar was short. All good now. Thanks for the advice tho

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@refectio I have a 6s here I replaced the lcd fpc on. Came on fine then I put it on charge and it was charging fine. Came back and stuck on apple logo. Replaced tristar and tigris and all nand voltages are normal. Any ideas

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Good news and bad news Bad news i only have the answer to 1 of your problems. and that problem is the battery problem. My sister has this problem. All you need to do is change the battery

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Was nothing to do with the battery there was a short on the board. Working now. But thanks

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@refectio

Hi,

i have a similar problem with an iphone 6. I have a question for you. What do you mean by “check c1402 and l1401” ? I have 4.38v on one side of that coil and 3.88 on the other side. Please help me because I don’t know what do try anymore. Already replaced tigris, tristar, checked all the voltages nearby and they all seem fine.

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