Reboots every 3:08 Minutes.

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iPhone XS Max

发布于 2018 年 9 月 21 日。型号：A1921、A2101、A2102 和 A2104 / 提供 GSM 或 CDMA 版本 / eSIM 或 nano-SIM / 64、256 或 512 GB / 银色、金色或深空灰色（读作“iPhone 10 S Max”。）

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Smeargle @smeargle

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发帖于: 2020年12月7日

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Reboots every 3:08 Minutes.

Phone was updated from iOS 13 to 14 and, since then, has begun to reboot every 3 minutes.

Though there were no issues prior to the update, rear housing has been replaced and all parts are original except for the screen.

Have attempted:

Placing back the original screen
Removing the sim card
Booting it with all cables unplugged(including either the power or charge port cables)
Formatting through PC

The screen glitches just a bit prior to shutting down. Small greyer line in the bottom and flashes a bit. It looks exactly like a hard reset, actually. Performance is also noticeably slower. It doesn’t reboot when locked and idle. The phone is also peculiarly marked as a Demo model on 3uTools. No clue as to the origin. It will occasionally notify that the battery is not original, despite this being untrue.

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Chris Stables @imicrosoldering

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There could be a number of reasons it is re-booting but if it does it around a set time it usually turns out to be a faulty charging port or battery. I would put the logic board into a known good housing to rule out parts but this is usually not an option for the everyday person so I would be looking at the battery and charge port assembly.

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Should this not have come alight when I turned it on completely unplugged, though? Otherwise you imply the absence of these parts immediately causes the mentioned problem on all phones.

由 Smeargle 完成的 2020年12月7日

@Smeargle The parts I mentioned talk to the logic board as Devin said the charge port on the X Series up have a sensor and the battery sends data to the phone that’s why a set time it re-boots would point to either of these parts.

由 Chris Stables 完成的 2020年12月8日

I'll follow up after I give it a shot.

Better be the &&^&^$ case or I'll be dealing with a very serious loss...

由 Smeargle 完成的 2020年12月8日

Charge port done and did it.

Cheers.

由 Smeargle 完成的 2020年12月16日

Customer brought this issue into me with an xs max. After diagnosing, it turned out to be the power button flex. The power button still worked, but after disconnecting, and connecting a new one it began to work perfectly.

由 Scott 完成的 2023年10月21日

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Should this not have come alight when I turned it on completely unplugged, though? Otherwise you imply the absence of these parts immediately causes the mentioned problem on all phones. — Smeargle
@Smeargle The parts I mentioned talk to the logic board as Devin said the charge port on the X Series up have a sensor and the battery sends data to the phone that’s why a set time it re-boots would point to either of these parts. — Chris Stables
I'll follow up after I give it a shot.

Better be the &&^&^$ case or I'll be dealing with a very serious loss... — Smeargle
Customer brought this issue into me with an xs max. After diagnosing, it turned out to be the power button flex. The power button still worked, but after disconnecting, and connecting a new one it began to work perfectly. — Scott

Devin Marx @devinmarx 声誉积分: 67 3 · Answer 1 · 2020-12-07T20:06:00-07:00

Devin Marx @devinmarx

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Had this very same problem with an iPhone X immediately following a housing swap. I contacted STS Telecom (Which I totally recommend for data recovery) and the technician informed me that the iPhone X will restart by itself every 3 minutes if the charging port is not connected or it is broken. I went on eBay and ordered a high-quality replacement cable ($10-$15) and viola it was working good as new! I know this may not be the exact problem, but I hope this helps!

P.S From what I have heard, there is a temperature sensor on the cable and if the cable does not have that or it is damaged it will cause the phone to have a kernel panic and thus shutting the phone down. so make sure you have a good quality cable!

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I move the XS Max scarcely. Guess I'll have to take a gamble in ordering the part.

由 Smeargle 完成的 2020年12月7日

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iPhone XS Max

Reboots every 3:08 Minutes.

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