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Hello, I replaced the battery and charging cable that I purchased from IFIXIT and now it reboots every 10 minutes.
Any suggestions on what to fix or do?
Ist dies eine gute Frage?
Rep: 607
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Looking at the panic log it looks like the lightning cable assembly is at fault. Some aftermarket parts have chips missing that are required to talk to the cpu. If you still have the old part, check the components between the two to identify any missing parts.
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Hi, I checked the new to the old part and they looked the same from what I remember. I still have the old part. The youtuber I did watch to assist in replacing the cable mentioned if the cable isnt authentic that this reboot issue can happen. https://www.youtube.com/watch?v=p8nouBKZ...
I can take a picture and send it. What is the next step?
I did notice that the old part at the port is brown in color and the new is gray colored. Could send a replacement?
Rep: 100,4 Tsd.
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First thing to do is find out why it's rebooting. Every time it does, it logs the cause in something called a panic log, which we can use to troubleshoot the problem. Use this wiki article to locate your newest panic log, then screenshot or copy'n'paste the first page of it. Come back and add that information to your question and we should be able to point you in the right direction.
This guide will help you add a picture to your question if you need to.
Adding images to an existing question - iFixit Repair Guide
The part of your log that gives us the vital clue is the section that says missing sensor(s): PRS0. That's the barometric pressure sensor and, as @ted53890 pointed out, is located on the lightning port assembly.
Having used iFixit parts many times, I'm not inclined to believe they're selling a part with missing components that will cause a continual boot loop in your phone; my experience has been that they source quality parts and stand behind their warranty.
I'd suggest you first unplug the connector on the motherboard and examine it carefully for any bent, broken or missing pins (check both the motherboard and the cable connectors; use a bright light and a magnifying glass. Bent pins can sometimes be straightened with fine tip tweezers, but obviously broken or missing pins are more problematic.
Assuming everything looks okay, clean both connectors with 90% or higher concentration of isopropyl alcohol, give them a minute to dry then reconnect and retest. Those long FPC connectors can sometimes be a little tricky to get seated correctly; I tend to hold the flex cable in one hand and place a finger gently on the top of the connector. Move the cable around a bit until you feel a slight drop telling you it's in place, then press in the center of the connector until you feel a slight click telling you it's seated.
As a last step you could try plugging in the original cable to verify that it stops looping; in that case it's a good bet the new part is defective. Although they strive to provide quality parts, there can always be one bad apple that slips through the cracks no matter how hard you try to find good parts.
If it still boot loops after that, you should contact iFixit support. They may have other suggestions for you, or they might offer you a replacement part under warranty. My experience with them has been very good; they were responsive and resolved my issue quickly.
If you need to contact them, you can do so through the FixBot assistant or email them at support@ifixit.com.
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Hi Thank you for help. I agree that ifixt parts are good and I always have ordered from them. Ill start taking things apart and checking them. I did connect the old battery and let the phone run on that which cause the same boot loop. I did check the connection for the port cable to the board and seemed good. But will do a better visually with my magnifying glass. Thank you and will post if this gets resolve.
@stevenp462 Interestingly enough, I was looking at the reviews for the lightning cable assembly, and it turns out another user had exactly the same problem you're seeing; a boot loop caused by a bad pressure sensor. In their case iFixit sent them a replacement, which fixed the problem.
Update on my repair saga for my XS Max Iphone. After installing a new battery and port cable, the phone went into a boot loop every 3 minutes or so. So I disassembled everything and examined all connectors and ribbons. I did not see any issues with any of that. I checked the part number for the port cable from the new and old, they matched. Cable looked good. I did find the root cause of my old port cable! Using my magnifying lens, the old port had massive amounts of lint, dirt, hay, that appears to have prevented the charging cable to fully insert. After cleaning all that out, I decided to put the old cable back in. Got the boot loop again, but my charger port worked after removing all the debris in there. PRO TIP- Check port for obstructions if not charging.
So I decided to buy a replacement port cable from EBAY, received that and then installed. Now it was stuck in a apple logo boot loop! Sometimes it booted up to where the phone was useable. At that point, I used a free panic log software.
only for PC from GitHUB. it gave me a i2c3::_checkBusStatus SCL is stuck low; last write status 00010110, which by researching various sites, it seemed to point to a bad screen. So I unplugged the three plugs for screen to see if it affect the boot, and it was intermittent. Sometimes it worked and sometimes it booted. SO I decided to buy a new screen off Amazon, and installed. ALL GOOD now, no boot loops and my phone is good so far! Hopefully this helps other people. I saved my self from a 1200 dollar new phone. Thank you.
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