手机无故卡死

我的手机用了大概一个多星期，卡死了两次，就突然卡在一个画面上面动也动不了

{"bug_type":"288","timestamp":"2021-02-04 01:10:14.00 +0800","os_version":"iPhone OS 14.4 (18D52)","incident_id":"EFBDFE44-F817-4331-8755-C34980BE1A4E"}

{

"build" : "iPhone OS 14.4 (18D52)",

"product" : "iPhone12,8",

"kernel" : "Darwin Kernel Version 20.3.0: Tue Jan 5 18:34:51 PST 2021; root:xnu-7195.80.35~2\/RELEASE_ARM64_T8030",

"tuning" : {

},

"incident" : "EFBDFE44-F817-4331-8755-C34980BE1A4E",

"crashReporterKey" : "c840dbe0df023fba901abeabed43666d2e91bdab",

"date" : "2021-02-04 01:10:14.51 +0800",

"reason" : "(1 monitored services unresponsive): checkin with service: backboardd failed to send ping message, backboardd watchdog request handling code likely hung 60 seconds since last successful checkin, 186 total successsful checkins since wake (0 induced crashes)",

"frontmostPids" : [

64

],

"exception" : "0x12adface",

"absoluteTime" : 2281353807787,

"pid" : -1,

"processByPid" : {

"0" :