E975信号问题，望大神进来看看，附logcat信息

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2013-8-16 14:31 上传

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搞了台二手的E975，卖家说是港版的，结果我查看IMEI号是台版的，现在信号有问题，很严重，具体问题是开机了信号时有时无，断断续续，连上了马上又没信号，过一会又找到信号。
现在刷了台版TOT包，也恢复了论坛里其他机友的台版底层，但是问题还是存在，这到底该怎么搞，求大神帮忙。
下面是出错的时候Logcat信息，我捕捉了一个循环，出现中国联通的是找到信号的时候，然后下面的error都是没信号的

08-15 15:11:24.451: E/GsmServiceStateTracker 2(928): SPN: PLMN: 中国联通ShowSPN: falseShowPlmn: true
08-15 15:11:24.451: E/GsmServiceStateTracker 2(928): mSimInfo.mcc: 460cellinfo: 46001mSimInfo.mnc: 01
08-15 15:11:24.451: E/Sharath5 GSMservicestatetracker(928): spn_name: plmn_name: 中国联通showSpn: falseshowPlmn: true
08-15 15:11:25.352: E/WifiStateMachine(554): Fetch RSSI NEW RSSI = -44
08-15 15:11:27.284: E/kickstart(12782): ERROR: function: rx_data:515 Read/Write File descriptor returned error: No such device, error code -1
08-15 15:11:27.284: E/kickstart(12782): ERROR: function: main:314 Uploading  Image using Sahara protocol failed
08-15 15:11:27.284: E/kickstart(12782): Wrote to /sys/power/wake_unlock
08-15 15:11:27.294: E/kickstart-efsks(618): ERROR: ks return code was 256, something failed
08-15 15:11:27.294: E/kickstart-efsks(618): Back from KS call, something went wrong, trying again
08-15 15:11:27.334: E/ThermalDaemon(1307): modem_clnt_error_cb: with -2 called for clnt 0x40023b10
08-15 15:11:27.334: E/ThermalDaemon(1307): modem_clnt_error_cb: with -2 called for clnt 0x40023ba8
08-15 15:11:27.344: E/LocSvc_api_v02(237): D/locClientErrorCb:1082]: Service Error -2 received, pCallbackData = 0x408aecd0
08-15 15:11:27.364: E/QMI_FW(1307): QMUXD: Service_id=24 not found over conn_id=0
08-15 15:11:27.364: E/QMI_FW(1307): QMUXD: Service_id=24 not found over conn_id=9
08-15 15:11:27.384: E/QMI_FW(1307): QMUXD: Service_id=24 not found over conn_id=0
08-15 15:11:27.384: E/QMI_FW(1307): QMUXD: Service_id=23 not found over conn_id=0
08-15 15:11:27.384: E/QMI_FW(1307): QMUXD: Service_id=24 not found over conn_id=9
08-15 15:11:27.384: E/ThermalDaemon(1307): qmi: Instance id 25 for fusion TMD
08-15 15:11:27.394: E/QMI_FW(1307): QMUXD: Service_id=23 not found over conn_id=9
08-15 15:11:27.394: E/ThermalDaemon(1307): qmi: Instance id 25 for fusion TS
08-15 15:11:27.394: E/QMI_FW(1307): QMUXD: Service_id=24 not found over conn_id=0
08-15 15:11:27.394: E/QMI_FW(1307): QMUXD: Service_id=24 not found over conn_id=9
08-15 15:11:27.394: E/QMI_FW(1307): QMUXD: Service_id=23 not found over conn_id=0
08-15 15:11:27.394: E/QMI_FW(1307): QMUXD: Service_id=23 not found over conn_id=9
08-15 15:11:27.404: E/Tethering(554): attempting to remove unknown iface (rmnet_usb0), ignoring
08-15 15:11:27.404: E/Tethering(554): attempting to remove unknown iface (rmnet_usb1), ignoring
08-15 15:11:27.414: E/Tethering(554): attempting to remove unknown iface (rmnet_usb2), ignoring
08-15 15:11:27.444: E/Tethering(554): attempting to remove unknown iface (rmnet_usb3), ignoring
08-15 15:11:27.454: E/CNE(554): CNE currently does not support this apnType=admin
08-15 15:11:27.464: E/CNE(554): CNE currently does not support this apnType=fota
08-15 15:11:27.464: E/CNE(554): CNE currently does not support this apnType=ktmultirab1
08-15 15:11:27.474: E/CNE(554): CNE currently does not support this apnType=entitlement
08-15 15:11:27.484: E/CNE(554): CNE currently does not support this apnType=dun
08-15 15:11:27.484: E/CNE(554): CNE currently does not support this apnType=ktmultirab2
08-15 15:11:27.484: E/CNE(554): CNE currently does not support this apnType=supl
08-15 15:11:27.484: E/CNE(554): CNE currently does not support this apnType=hipri
08-15 15:11:27.494: E/CNE(554): CNE currently does not support this apnType=tethering
08-15 15:11:27.494: E/CNE(554): CNE currently does not support this apnType=ims
08-15 15:11:27.504: E/Parcel(238): Reading a NULL string not supported here.


完整的我搞附件吧

按串号下载kdz刷机，wipe后看看，不行可能的原因1，底层可能破坏；1，硬件问题

hotfox 发表于 2013-8-17 16:11
按串号下载kdz刷机，wipe后看看，不行可能的原因1，底层可能破坏；1，硬件问题 ...

去修了，修手机的说硬件没问题，只能是软件的问题，软件方面我恢复了别人的底层，可还是一样，郁闷啊