Registered Device cannot be Deleted [03/2017 - 05/2023]: Procedure

1. Check if a registered portable player can be deleted normally.

   OK

   Registered portable player can be deleted normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [03/2017 - 09/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2018 - 06/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [06/2019 - 04/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [04/2020 - 10/2022]  , or refer to  PROBLEM SYMPTOMS TABLE [10/2022 - 05/2023]