iPhone 5C 充電故障

一插上Lightning線，就整支當機崩潰，自己無限重啟(有時不會，出現奇怪畫面)
拔掉連接線後才會恢復正常

panic.plist圖
iPhone 5C 充電故障

內容如下:

{"os_version":"iOS 7.1.2 (11D257)","bug_type":"110"}
Incident Identifier: F558AEAD-3EA4-4F27-8CE1-6A669CA7792F
CrashReporter Key: 9fab5f3556d72d33b124b6c540e8c1e792f30d92
Hardware Model: iPhone5,4
Date/Time: 2014-08-10 17:17:19.307 +0800
OS Version: iOS 7.1.2 (11D257)

panic(cpu 0 caller 0x95822d71): "AppleTriStar2: could not find system ID: bad IPC message ID"
Debugger message: panic
OS version: Not set yet
Kernel version: Darwin Kernel Version 14.0.0: Thu May 15 23:10:37 PDT 2014; root:xnu-2423.10.71~1/RELEASE_ARM_S5L8950X
Kernel slide: 0x0000000015200000
Kernel text base: 0x95201000
Boot : 0x53e73883 0x00000000
Sleep : 0x00000000 0x00000000
Wake : 0x00000000 0x00000000
Calendar: 0x53e73883 0x000063a8

Panicked task 0x800a9c00: 5447 pages, 116 threads: pid 0: kernel_task
panicked thread: 0x802148e0, backtrace: 0x9305bde0
0x95319cf5
0x9531a8a3
0x95204b55
0x95822d71
0x9599dc73
0x9599e6c9
0x95283d15
0x95283bd5
0x95284375
0x954b38af
0x9521e61c

Task 0x800a9c00: 5447 pages, 116 threads: pid 0: kernel_task

重灌過好幾次，不知道是硬體還是軟體故障.....