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iPhone X restarts randomly after screen and battery replacement

Here’s my story:


I dropped my iPhone X a few weeks back (didn’t crack the screen, just had a black spot on the top right corner), following which I gave it to a reputed 3rd party repair centre in India for a screen replacement and a battery change (as I had gone down to 80% health in 3.5 years).


They replaced the screen and put in a new battery. After this my phone started restarting at around 50% battery and dropped down to 10%.


The phone would then restart again after a while and restore back to the level it restarted at.


The store replaced the new battery again and the phone worked fine for a week or so. Now I’m having the same problem again.


Any idea whether this is due to a flex cable problem or is it the battery itself or a motherboard issue?



iPhone X

Posted on Oct 23, 2020 1:33 AM

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14 replies

Oct 23, 2020 5:59 AM in response to Madhav Tiwari

Found this in the logs, in case someone can make head or tail of it.


{"timestamp":"2020-10-23 07:04:27.00 +0530","bug_type":"120","os_version":"iPhone OS 14.1 (18A8395)","incident_id":"07F25419-18B4-44B5-962A-9FE54FFB0C24"}

{"bug_type":"120","os_version":"iPhone OS 14.1 (18A8395)"}

Incident Identifier: F152E196-8387-4744-842E-06C16C2921CC

CrashReporter Key: 525e1ce811fd0e3bd82e772d0a2f2c882d71ed14

Date: 2020-10-23 07:04:27 +0530

OS Version: iPhone OS 14.1 (18A8395)


imagent: com.apple.persistentconnection[imagent,69,message-routing-timer-PendingSimpleTimer(0x10273c3a0)] NoIdleSleepAssertion == 255, held for 00:00:13

imagent: com.apple.persistentconnection[imagent,69,message-expire-state-timer-PendingSimpleTimer(0x102a49580)] NoIdleSleepAssertion == 255, held for 00:00:13

imagent: com.apple.persistentconnection[imagent,69,message-watchdog-timer-PendingSimpleTimer(0x10273ef60)] NoIdleSleepAssertion == 255, held for 00:00:13

runningboardd: xpcservice<com.apple.WebKit.WebContent([application<com.amazon.AmazonIN>:316])>:34132-316-472:WebProcess Foreground Assertion SystemIsActive == 255, held for 00:00:25

runningboardd: xpcservice<com.apple.WebKit.WebContent([application<com.amazon.AmazonIN>:316])>:33932-316-470:WebProcess Foreground Assertion SystemIsActive == 255, held for 00:00:40

runningboardd: xpcservice<com.apple.WebKit.Networking([application<com.amazon.AmazonIN>:316])>:31832-316-302:NetworkProcess Foreground Assertion SystemIsActive == 255, held for 00:01:26

runningboardd: daemon<com.apple.SpringBoard>32-60-155:FBSystemApp-PreventIdleSleep SystemIsActive == 255, held for 00:02:20


Foreground Applications: com.amazon.AmazonIN

Screen Brightness: 0.486830

Hardware Model: D22AP

Awake Time: 00:03:09 (189)

Standby Time: 00:03:29 (209)

Partial Charge: 0

Capacity: 100

Voltage: 4256 mV

Voltage Droop Time: 1194041

Voltage Droop Transitions: 0

PPMDebug has keys:

(

{

BaselineSysCap = (

46500

);

Client0 = {

Bdg = 100;

Car = (

8

);

Idx = 0;

Pwr = (

2846

);

reqBdg = 100;

};

Client2 = {

Bdg = 13001;

Car = (

15

);

Idx = 2;

Pwr = (

13001

);

reqBdg = 13001;

};

Client5 = {

Bdg = 65536;

Car = (

10

);

Idx = 0;

Pwr = (

5057

);

reqBdg = 65536;

};

Client6 = {

Bdg = 0;

Car = (

7

);

Idx = 0;

Pwr = (

1394

);

reqBdg = 0;

};

Client7 = {

Bdg = 4;

Car = (

0

);

Idx = 0;

Pwr = (

907

);

reqBdg = 4;

};

DroopCtrlEff = (

0

);

DroopPwrRemoval = (

0

);

ModeledSysCap = (

56640

);

NetSysCap = (

56640

);

OverrideSysCap = (

0

);

PPMBatteryModel = {

Iss = 359;

Pb = 4341;

Pp = 4438;

Ps = 56640;

R0 = 38;

R1 = 9;

R2 = 11;

R3 = 38;

RCParamsHash = {length = 20, bytes = 0x676613ef479f5761509bf68d7c2b20d4b2c5ac95};

Vgg = 3200;

avgRdcRatio = 100;

baselineR0 = 38;

baselineR1 = 9;

baselineR2 = 11;

baselineR3 = 39;

mPb = 0;

mPp = 0;

outputFlag = 2359296;

};

ProactiveSysCap = (

56640

);

TStamp = 1603416867458770220;

TotalDemandAdj = (

23205

);

TotalDemandRaw = (

23205

);

iPhone X restarts randomly after screen and battery replacement

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