MTK6580校准报1685，慢校PASS

如题，Fail log：
2016/04/27 00:42:18.968  DTSMInfo:capid_index = 0
2016/04/27 00:42:18.968  DTSMInfo:capid_okay_cnt = 0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[0]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[1]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[2]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[3]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[4]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[5]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[6]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[7]=0
2016/04/27 00:42:18.968  DTSMInfo:pre_capid_cal_ok[8]=0
2016/04/27 00:42:18.968 CGSMCapIdClass::Set_CapId()
2016/04/27 00:42:18.968 CGsmCapIdClass::Get_CapId()
2016/04/27 00:42:18.968 CAP ID = 0
2016/04/27 00:42:18.968 CGsmAfcRemove32kClass::EvaluateCalibrationResult()
2016/04/27 00:42:18.968 [LPM] Cload frequency offset 0
2016/04/27 00:42:18.968 [LPM] ok 0
2016/04/27 00:42:18.968 [LPM] is_perform_cal 0
2016/04/27 00:42:18.968 LPM Cal failed
GSM_FHC_AFC_CHECK_FAILED => 1685
##

Calibration and NSFT total cost time is: 24.48s
不选FHC可校准PASS，用风枪加焊26M晶振也可快校，这是什么道理呢?求解！

不懂，帮顶

找找补丁

小编，你是怎样解决的?我也遇到这种情况