Wise User

A check list when you use the cellular phone service

Check charges for using

If phone bills are sent to you, you should check if fees are exactly charged as the rate system that you made the contract in membership. Take a careful look on the detailed record of the bill to prevent unoffered service, micro payment not used

Bill details

Bill details
Category	Content
Monthly minimum	Monthly minimum
Domestic call charges	Voice calls except calls related to data of the calls used in Korea are charged
Data call charges	These are charged by accessing the internet to use data
Discount details	Discount benefits including discount in areas and discounts of no-charge calls are applied
Text message usage fees	These are charged when you use the service related to text messages including SMS (Short messages) and LMS (Long messages)
Micropayment usage fees	The amounts including V.A.T are charged as the usage fees of the deferred micropayment service. In case of micropayments, the damage that unfair fees are charged according to double payment frequently occurs. You need to check the details that you used meticulously
Others	There are call forwarding service, charges for using the additional service including the background sound service, terminal installments, international call charges, and overseas roaming charges

If users have any objection against charges, they can have objections against them to the applicable business operators within 6 months from the billing dates. The business operators notify the applicable users of the results by investigating the validity of the contents of the objections that they received immediately
If there are payment in excess and mistaken payment of charges, carriers shall return all of them to users. And if they occur due to the companies’ reasons, they should return them to the uses by adding legal interest

Check the service quality

When the quality of call is bad in main residential area, check if there are any problems in the terminal by the A/S center. If there are no problems in the terminal, inquire to the telecommunication company’s customer service center to test the quality of call in that area
When the quality of calls is bad in main residential area like registered address, billing location, office, the contract can be cancelled in 14 days of sign up. After 15 days, cancellation is possible in 6 months, and 50% discount is offered for the last month’s basic charge. When telecommunication and terminal purchase contract is connected, the terminal and peripherals should be returned
Loss due to service suspension or error more than accumulated 6 hours in a month should be compensated. The accumulated time is calculated from the occurrence of suspension, error, and the minimum compensation standard is sixfold amount of basic and additional charge during the period when service was unavailable
Service suspension, error time is calculated from the time user notified the company or the time user realized the situation whichever occurred first, but when service was suspended due to force majeure (Like natural disaster) or advanced notice from the company (Line construction), and user’s intention or mistake, the period is excluded from calculating the suspension, error time. (Consumer dispute settlement regulation, 2004)

Prevention of Number forgery

Since the revised Telecommunications Business Act was applied from 2015.4.16, to prevent number forgery, telecommunication businesses should
Insert identification number for international calls
Deliver voice guidance or provide identification number for international calls
Block and notify the sms with changed number
Monitoring and suspension of private phone exchanger’s forgery
Block calls stealing numbers of public, financial institutes (Korea Communications Commission, Ministry of Science data, 2015.04.15.)

Users’ 10 safety rules for information security of smart phones (Korea Communications Commission)
Do not download doubtful applications Do not visit untrustworthy sites Delete the messages and mails that sender are unclear or doubtful Use the function to set passwords and change them regularly Turn on wireless interface including Bluetooth, etc., only when you use them If problems continue, check if phones have malicious codes Check and use the files that you downloaded if they have viruses Install a vaccine program in PCs and inspect if they have viruses regularly Do not randomly change the platform structures of smartphones Update the latest versions of operating systems and vaccine programs

Users’ 10 safety rules for information security of smart phones (Korea Communications Commission)

Do not download doubtful applications
Do not visit untrustworthy sites
Delete the messages and mails that sender are unclear or doubtful
Use the function to set passwords and change them regularly
Turn on wireless interface including Bluetooth, etc., only when you use them
If problems continue, check if phones have malicious codes
Check and use the files that you downloaded if they have viruses
Install a vaccine program in PCs and inspect if they have viruses regularly
Do not randomly change the platform structures of smartphones
Update the latest versions of operating systems and vaccine programs

Ten commands for security etiquette of smart phones (AhnLab Inc.)
Must inspect malicious codes if you install applications or download strange files First check reputation information by others carefully when you download applications Click URL in emails or text messages carefully when you connect to the internet with browsers or applications Make sure to check if files have malicious code when you receive them from PCs Check vaccine’s patches and keep the latest vaccine engine Block access of others by using the locking function of smart phones (set passwords). Change the passwords used in the locking function frequently Turn on Bluetooth only when you need it because it is automatically infected Do not save IDs or passwords in your smartphones Do not make a blank of information by having frequent backups when you lose smart phones Do not use smart phones by changing them or releasing copy protection randomly

Ten commands for security etiquette of smart phones (AhnLab Inc.)

Must inspect malicious codes if you install applications or download strange files
First check reputation information by others carefully when you download applications
Click URL in emails or text messages carefully when you connect to the internet with browsers or applications
Make sure to check if files have malicious code when you receive them from PCs
Check vaccine’s patches and keep the latest vaccine engine
Block access of others by using the locking function of smart phones (set passwords). Change the passwords used in the locking function frequently
Turn on Bluetooth only when you need it because it is automatically infected
Do not save IDs or passwords in your smartphones
Do not make a blank of information by having frequent backups when you lose smart phones
Do not use smart phones by changing them or releasing copy protection randomly

If there is an objection to the fee, etc., the user may file an objection with the relevant business operator, and the business operator must immediately investigate the validity of the received objection and notify the relevant business operator of the result
The mobile telecommunication business operator shall return all of these charges in case of overpayment or mis payment, and if it occurs due to reasons attributable to the company, it shall be returned by imposing a legal interest rate

Change and pause of contract details

Change of contract details

If you intend to change the contract, such as the method of payment of usage fees, type of service, etc., you must notify the business operator of the change

Confirmation of service opening

The opening time should be recognized as the opening time when the user confirms the opening of the service after applying for the opening of the service or when the business operator notifies the opening by phone, fax, e-mail, or mail
The business operator notifies the user of the fact by phone, fax, e-mail, mail, tetc., if a delay in opening is expected after the user’s desired date of opening is agreed

Pause

이If there are the reasons that users cannot be provided with the service during a certain period, they can ask the applicable carriers for pause
Users can ask each carrier to be able to receive within a set period during the pause period. If they ask for pause, separate pause fees can be charged
If users try not to use cellular phones that pause is done, it is good to ask for cancelation. Otherwise, they can continue to pay monthly minimum as it is returned to the original membership after the pause period ends