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Questions and Answers
USSD code running, and then shows a message Undefined additional service. Contact customer center?
USSD not active, and then shows a message Undefined additional service. Contact customer center.
Before you contact your carrier for assistance, try the tricks below.
- 1Press the home button.
- 2Tap on "Apps".
- 3Tap on "Settings"
- 4Tap on "Location and Security".
- 5Disable "Mobile tracker".
- 6In "Settings" > "Application manager", uninstall or disable Blacklist Call or similar applications (Calls Blacklist, Call Blocker).
- 8If nothing helps, then contact your carrier as advised in the error message.
What procedure should I follow if my phone is Samsung note 5?
It shows "Undefine additional services.Contact customer center.",what procedure should follow because the producers given step 5 and 6 are available in Samsung note 5. My situation more less the same like other users by the procedure given cannot be applied to Samsung note 5. I have tried: I have tried to apply the procedure given for S4 with no success and also restarting the several times. I think it was caused by: A certain software in my phone is missing because even if I change the SIM card the problem is still the same
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Categories : Samsung Galaxy
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