After battery replacement powerbutton not working and 3 min restarts

Question

iPhone SE 2020

Repair and disassembly information for the second-generation iPhone SE that was announced and released in April of 2020.

crwdns2934591:020crwdne2934591:0 crwdns2934593:0crwdne2934593:0 | crwdns2947278:019crwdne2947278:0 crwdns2947270:0crwdne2947270:0

Eppie @eppie

crwdns2934065:0crwdne2934065:0: 1

crwdns2931729:0crwdne2931729:0: Kho 3, 2023

crwdns2933897:0crwdne2933897:0

After battery replacement powerbutton not working and 3 min restarts

Ater battery replavement my powerbutton is not working.

Iphone start when pugging in lighning cable. (battery at 46%), however phone reboots every 3 minutes.

What could be the issue?

Crash log via 3u:

"panicString" : "panic(cpu 3 caller 0xfffffff016eaa818): userspace watchdog timeout: no successful checkins from thermalmonitord\nservice returned not alive with context : is_alive_func returned unhealthy : current 4fffffffffff, mask 1fffffffffff, expected 1fffffffffff. SD: 1 BC: 1 RC: 0 BS: 2, Missing sensor(s): mic1 \nservice: backboardd, total successful checkins in 203 seconds: 19, last successful checkin: 0 seconds ago\nservice: SpringBoard, total successful checkins in 174 seconds: 17, last successful checkin: 0 seconds ago\nservice: mediaserverd, total successful checkins in 203 seconds: 18, last successful checkin: 0 seconds ago\nservice: logd, total successful checkins in 203 seconds: 19, last successful checkin: 0 seconds ago\nservice: thermalmonitord, no successful checkins in 203 seconds\nservice: runningboardd, total successful checkins in 203 seconds: 19, last successful checkin: 0 seconds ago\nservice: wifid, total successful checkins in 203 seconds: 19, last successful checkin: 0 seconds ago\nservice: configd, total successful checkins in 203 seconds: 18, last successful checkin: 0 s\nDebugger message: panic\nMemory ID: 0x6\nOS release type: User\nOS version: 20F66\nKernel version: Darwin Kernel Version 22.5.0: Mon Apr 24 21:10:28 PDT 2023; root:xnu-8796.122.4~1\/RELEASE_ARM64_T8030\nFileset Kernelcache UUID: FF36128FA387F235D301B1B2E7BE3A10\nKernel UUID: 472BDDDB-68F8-3D70-AA5A-16908F61EEAE\nBoot session UUID: E520E9F9-166D-4027-840A-4C66AB33D82C\niBoot version: iBoot-8422.120.66\nsecure boot?: YES\nroots installed: 0\nPaniclog version: 14\nKernelCache slide: 0x000000000e844000\nKernelCache base: 0xfffffff015848000\nKernel slide: 0x000000000e84c000\nKernel text base: 0xfffffff015850000\nKernel text exec slide: 0x000000000f5a4000\nKernel text exec base: 0xfffffff0165a8000\nmach_absolute_time: 0x125164683\nEpoch Time: sec usec\n Boot : 0x647b580e 0x000604e6\n Sleep : 0x647b5a9d 0x000cfd90\n Wake : 0x647b5ab7 0x000d3b28\n Calendar: 0x647b5ade 0x00086ce6\n\nZone info:\n Zone map: 0xffffffddb8c78000 - 0xffffffe3b8c78000\n . VM : 0xffffffddb8c78000 - 0xffffffde9f2dc000\n . RO : 0xffffffde9f2dc000 - 0xffffffdeebfa8000\n . GEN0 : 0xffffffdeebfa8000 - 0xffffffdfd260c000\n . GEN1 : 0xffffffdfd260c000 - 0xffffffe0b8c70000\n . GEN2 : 0xffffffe0b8c70000 - 0xffffffe19f2d8000\n . GEN3 : 0xffffffe19f2d8000 - 0xffffffe285940000\n . DATA : 0xffffffe285940000 - 0xffffffe3b8c78000\n Metadata: 0xffffffddb2950000 - 0xffffffddb4150000\n Bitmaps : 0xffffffddb4150000 - 0xffffffddb49b8000\n Extra : 0 - 0\n\nCORE 0 recently retired instr at 0xfffffff01671a734\nCORE 1 recently retired instr at 0xfffffff01671a734\nCORE 2 recently retired instr at 0xfffffff01671a734\nCORE 3 recently retired instr at 0xfffffff0167191ac\nCORE 4 recently retired instr at 0xfffffff01671a734\nCORE 5 recently retired instr at 0xfffffff01671a734\nTPIDRx_ELy = {1: 0xffffffe0b813e8a8 0: 0x0000000000000003 0ro: 0x000000016d66b0e0 }\nCORE 0: PC=0x000000019e941db4, LR=0x00000001a67d11d4, FP=0x00000001702f2940\nCORE 1: PC=0x00000001fe67df94, LR=0x00000001fe66dd10, FP=0x000000016d280de0\nCORE 2: PC=0x000000019e9a7d8c, LR=0x000000019e9a7d0c, FP=0x000000016b068500\nCORE 3 is the one that panicked. Check the full backtrace for details.\nCORE 4: PC=0xfffffff0167157c4, LR=0xfffffff01661d2cc, FP=0xffffffe6418f3e80\nCORE 5: PC=0xfffffff01661d2c0, LR=0xfffffff01661d2c0, FP=0xffffffe641653ef0\nCompressor Info: 12% of compressed pages limit (OK) and 5% of segments limit (OK) with 0 swapfiles and OK swap space\nTotal cpu_usage: 65793845\nThread task pri cpu_usage\n0xffffffe0b813e8a8 watchdogd 97 0\n0xffffffe0b7b9ca40 backboardd 63 19951\n0xffffffe0b7d87cd0 dasd 29 7487\n0xffffffe0b8028058 ReportCrash 28 2354513\n0xffffffe0b81b50f8 trustd 27 1399578\n\nPanicked task 0xffffffdeed5f1f28: 308 pages, 5 threads: pid 57: watchdogd\nPanicked thread: 0xffffffe0b813e8a8, backtrace: 0xffffffe641893140, tid: 1599\n\t\t lr: 0xfffffff0165ebd30 fp: 0xffffffe6418931b0\n\t\t lr: 0xfffffff01671fe54 fp: 0xffffffe6418931d0\n\t\t lr: 0xfffffff016713aec fp: 0xffffffe641893240\n\t\t lr: 0xfffffff016712520 fp: 0xffffffe641893300\n\t\t lr: 0xfffffff0165af610 fp: 0xffffffe641893310\n\t\t lr: 0xfffffff0165eb6d4 fp: 0xffffffe6418936c0\n\t\t lr: 0xfffffff016cb8fc0 fp: 0xffffffe6418936e0\n\t\t lr: 0xfffffff016eaa818 fp: 0xffffffe641893700\n\t\t lr: 0xfffffff016eaa080 fp: 0xffffffe641893720\n\t\t lr: 0xfffffff016ea8ef0 fp: 0xffffffe641893840\n\t\t lr: 0xfffffff016c3409c fp: 0xffffffe641893870\n\t\t lr: 0xfffffff016c34390 fp: 0xffffffe641893a00\n\t\t lr: 0xfffffff0166e3e14 fp: 0xffffffe641893b20\n\t\t lr: 0xfffffff0165f1a38 fp: 0xffffffe641893ba0\n\t\t lr: 0xfffffff0165c6d68 fp: 0xffffffe641893c00\n\t\t lr: 0xfffffff0165de6bc fp: 0xffffffe641893ca0\n\t\t lr: 0xfffffff0165deb34 fp: 0xffffffe641893da0\n\t\t lr: 0xfffffff016708494 fp: 0xffffffe641893e50\n\t\t lr: 0xfffffff016712884 fp: 0xffffffe641893f10\n\t\t lr: 0xfffffff0165af610 fp: 0xffffffe641893f20\n Kernel Extensions in backtrace:\n com.apple.driver.AppleARMWatchdogTimer(1.0)[16D1C9C6-6D1D-3588-8384-4245D2029D10]@0xfffffff016ea6370->0xfffffff016eaa817\n dependency: com.apple.driver.AppleARMPlatform(1.0.2)[2FE0859D-1FC1-3DB4-8FAB-7AF9C9CF382B]@0xfffffff016e569a0->0xfffffff016ea6363\n\nlast started kext at 538758760: com.apple.plugin.IOgPTPPlugin\t1150.2 (addr 0xfffffff015f172a0, size 112010)\nloaded 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"panicFlags" : "0x802",

"bug_type" : "210",

"otherString" : "\n** Stackshot Succeeded Bytes Traced 316633 (Uncompressed 802384) \n",

"repairStatus" : "1",

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0

Thanks Jerrry,

I reopened the iPhone and disassembled the mainboard again to be able to check all the connections. Probably the small connector of the Mic indeed was not connected properly. After putting everything back together, now the phone is starting up and not shutting down any more.
Unfortunately the power button still does not work. I checked on any possible damage to the cable to the mainboard, dismounted the button itself for checking but could not find any cause.

crwdns2934271:0Kho 5, 2023crwdnd2934271:0 Eppie crwdne2934271:0

@eppie Excellent, that's progress in the right direction! Given that you couldn't find anything on a visual inspection, the next logical step would be to go ahead and replace that power/volume flex cable. That's really the only repair possible before you get down to board level problem that require a lot of expertise to diagnose and even more to fix.

crwdns2934271:0Kho 5, 2023crwdnd2934271:0 Jerry Wheeler crwdne2934271:0

crwdns2934285:0crwdne2934285:0

crwdns2933315:02crwdne2933315:0

Thanks Jerrry,

I reopened the iPhone and disassembled the mainboard again to be able to check all the connections. Probably the small connector of the Mic indeed was not connected properly. After putting everything back together, now the phone is starting up and not shutting down any more.
Unfortunately the power button still does not work. I checked on any possible damage to the cable to the mainboard, dismounted the button itself for checking but could not find any cause. — Eppie
@eppie Excellent, that's progress in the right direction! Given that you couldn't find anything on a visual inspection, the next logical step would be to go ahead and replace that power/volume flex cable. That's really the only repair possible before you get down to board level problem that require a lot of expertise to diagnose and even more to fix. — Jerry Wheeler

score 4 · Answer 1 · 2023-06-04T20:43:17-07:00

Hi Eppie,

It is unusual for this many issues to occur as a result of a fairly straight-forward battery replacement. The three minute reboot cycle just happens to be the exact amount of time between the iPhone scanning its sensors. So you're seeing the phone detecting that it can't communicate with the mic1 sensor, whereupon it reboots the phone in an attempt to reinitialize and reestablish communications.

As indicated by @flannelist's excellent Wiki article, a missing mic1 sensor would tend to indicate a problem with the charge port flex cable.

iPhone Kernel Panics - iFixit

PRS0 and Mic1 are generally part of the charge port flex.

Normally I'd recommend replacing the lightning port assembly, but it's unclear why you should need to do this after a battery replacement unless the flex got damaged in the process. By any chance did the stretch adhesive break causing you to have to pry the old battery out? Here's what you would have to do to replace it.

iPhone SE 2020 Lightning Connector Assembly Replacement - iFixit Repair Guide

Again, I would usually suggest replacing the power/volume button flex cable to fix a malfunctioning power button, but again there's no reason the battery replacement should have affected it, but that's the most likely fix for the problem you're seeing. iFixit doesn't have a guide for that particular repair, but the French site SOSav does.

Power & volume tablecloth iPhone SE (2nd Generation) repair - Free guide - SOSav

I'd say you should probably start out by opening the phone back up and checking any connectors that were unplugged when the battery was replaced. If no problems can be identified, then all I can suggest is replacing those two parts and reevaluate whether the problems are still there.

Good luck; let us know what you find.

this is my problem

"panicString" : "panic(cpu 3 caller 0xfffffff02264e21c): SMC PANIC - ASSERTION FAILED: target\/d64\/target.cpp:263: 0, SMC BSC failure, spreadsheet ver(*10) 190\nS.sensor array 0 - 6 is 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0\nF.sensor array 0 is 0x0\n\n - Misc(2) OUTBOX1 not ready\nASSERTION FAILED: target\/d64\/target.cpp:263: 0, SMC BSC failure, spreadsheet ver(*10) 190\nS.sensor array 0 - 6 is 0x0, 0x1000, 0x0, 0x0, 0x0, 0x0, 0x0\nF.sensor array 0 is 0x0\n\n\nRTKit: RTKit-2062.40.13.release - Client: AppleSMCFirmware-3396.80.13.d64.REL\n!UUID: a0cf1858-47ac-3cf0-9a3d-03e174af64b3\nTime: 0x0000000294e67791\n\nFaulting task 2 Call Stack: — Rakib khan

score 1 · Answer 2 · 2023-09-12T11:09:58-07:00

Jerry Wheeler @dadibrokeit

crwdns2934065:0crwdne2934065:0: 72.3crwdns2936485:0crwdne2936485:0

131

63

99

crwdns2931729:0crwdne2931729:0: Ndz 12, 2023

crwdns2933897:0crwdne2933897:0

@rakibkhan90663 Assuming your phone is one of the iPhone 13 models, code 0x1000 indicates a problem with the front facing sensor cable. We would need to know which iPhone 13 you have, whether it's the base 13, the mini, pro or pro max model, but here's the part for the basic 13. Note: Updated for the correct phone model, iPhone 13 Pro Max.

iPhone 13 Pro Max Front Sensor Assembly

Note that this cable contains the microphone, ambient light sensor and proximity sensor. This cable is paired to the logic board and replacing it will cause you to lose Face ID. Only Apple can replace that part and keep your Face ID working, but the only way to get it replaced is to pay full price for a screen replacement. You can save a little bit of money by using the self repair program, but in my opinion the meager savings aren't worth it.

Here's the screen replacement guide for the 13 Pro Max showing how to swap out that front sensor cable assembly.

iPhone 13 Pro Max Screen Replacement - iFixit Repair Guide