The subject device has was returned to sorc.Sorc checked the subject device and found the reported phenomenon, and also found that this phenomenon was attributed to the deterioration.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported phenomenon could not be conclusively determined.However, based upon the information from sorc, omsc surmised that this phenomenon was attributed to the stress during use, the external factor and/or the user handling.If additional information is received, this report will be supplemented.
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