Login - Samsung ProXpress M453x series Service Manual

4. Troubleshooting
Login (USIM Change)
1) Screen that is running
• Utilize your ID and password to login.
2) USIM Certification Error
• When present device USIM and USIM that used at sign up are different you can login after USIM Change Request.
3) USIM Change Request
• You can login via new ID and password after administrator approve USIM change.
• USIM information will be updated you cannot login with existing USIM.
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