2FA FAQ

The LTS OTP/SMS OTP is a security enhancement that provides an additional layer of protection for your Online trading account and information from unauthorized access.

The LTS OTP is a 2FA token that will be set up and installed on your mobile phone within the limtan Mobile App (iPhone/iPad/Android), which can be downloaded for free from App/Play store.

Minimum limtan Mobile App requirement: Version 2.62 and above

You can use it to authenticate access to all Lim & Tan trading platforms (limtan.com.sg and limtan Mobile channels - iPhone/iPad/Android).

• LTS OTP: A feature within the limtan Mobile App that generates a 6-digit One-Time Password (OTP).
• LTS SMS OTP: A 6-digit OTP via SMS will be sent to the mobile number you have registered with LTS.

Until further notice, you can choose not to register for LTS OTP/SMS OTP if you had previously selected to continue to login without 2FA authentication.

For new clients who would like to continue without 2FA authentication, please click "Continue".

You would then be shown the 2FA Risk Awareness Statement. Please read this carefully and you would be required to do a one-time acknowledgement that you have read and understood the 2FA Risk Awareness Statement.

limtan.com.sg (Web channel)

Mobile channels (iPhone/iPad/Android)

1. For New Lim & Tan Securities clients:
a) To setup for LTS OTP, select "Register".

b) Upon selection, enter the mobile number you have registered with Lim & Tan Securities (LTS). If you have not registered or would like to change your mobile number, please contact your Trading Representative or the Online Trading Helpdesk.

c) A 6-digit One-Time Password (OTP) via SMS will be sent to the mobile number you have registered with LTS. Enter the OTP to complete your registration.

Please note that the LTS SMS OTP will be automatically enabled once you have registered successfully.

2. For Existing Lim & Tan Securities clients who has previously registered for OneKey Token and SMS 2FA from Assurity:
a) To setup for LTS OTP, select "Register". You are required to register for LTS OTP/SMS OTP to login to your account.

Upon selection, please refer to Part 1b-c above.

3. For Existing Lim & Tan Securities clients without 2FA authentication:
a) To setup for LTS OTP, select "LTS OTP".

Upon selection, please refer to Part 1b-c above.

1. For New Lim & Tan Securities clients:
a) To setup for LTS SMS OTP, select "Register".

b) Upon selection, enter the mobile number you have registered with Lim & Tan Securities (LTS). If you have not registered or would like to change your mobile number, please contact your Trading Representative or the Online Trading Helpdesk.

c) A 6-digit One-Time Password (OTP) via SMS will be sent to the mobile number you have registered with LTS. Enter the OTP to complete your registration.

d) To setup for LTS OTP, please refer to Qn 3 above for step by step guide.

2. For Existing Lim & Tan Securities clients who has previously registered for OneKey Token and SMS 2FA from Assurity:
a) To setup for LTS SMS OTP, select "Register". You are required to register for LTS OTP/SMS OTP to login to your account.

Upon selection, please refer to Part 1b-d above.

3. For Existing Lim & Tan Securities clients without 2FA authentication:
a) To setup for LTS SMS OTP, select "Personal Configurations" icon on the trading platform.

Upon selection, please refer to Part 1b-d above.

To generate an OTP:

• limtan.com.sg (Web channel)

Launch the limtan Mobile App and select "LTS OTP".

Enter the generated 6-digit OTP and select "GO". Alternatively you may select "here" to receive the OTP via SMS.

• limtan Mobile channels (iPhone/iPad/Android)

Authentication will be done seamlessly in the background on your LTS OTP enabled device. However, to login your account on an alternative mobile device, the generated 6-digit OTP from your LTS OTP enabled device will be required. Alternatively you may select "Send SMS OTP" to receive the OTP via SMS.

2FA is not compulsory for trading through Lim & Tan Securities. Nonetheless, you are strongly encouraged to use 2FA to safeguard your Online trading account.

The LTS OTP is a feature within the limtan Mobile App that generates a 6-digit One-Time Password (OTP) whereas the OneKey Token from Assurity is a physical token.

The LTS OTP eliminates the need for a physical token to generate OTP and can be used to authenticate access to all Lim & Tan trading platforms (limtan.com.sg and limtan Mobile channels - iPhone/iPad/Android).

The current OneKey Token and SMS 2FA from Assurity has ceased on 27 February 2021. Therefore, you are strongly encouraged to register for LTS OTP/SMS OTP now.

The OneKey Token and SMS 2FA from Assurity will be disabled automatically on 27 February 2021. You are required to register for LTS OTP/SMS OTP to login to your account.

If you had previously selected to continue to login without 2FA authentication, you can still continue to do so. Do download the 2FA Risk Awareness Statement to read and understand the risks involved.

Your OneKey Token and SMS 2FA from Assurity will no longer be in use after you have registered successfully for LTS OTP/SMS OTP. Please keep your OneKey Token if you are using it to access other financial services.

The LTS OTP is free.

No. The LTS OTP is a feature within the limtan Mobile App. Therefore, you can only setup the LTS OTP via limtan Mobile channels (iPhone/iPad/Android).

No. For security purposes, you are not allowed to register the LTS OTP on more than one mobile device.

To login your account on an alternative mobile device, you are required to enter the generated 6-digit One-Time Password (OTP) from your LTS OTP enabled device.

You may setup your LTS OTP on your new mobile device and the LTS OTP on your previous device will be disabled automatically.

You can still use the LTS OTP to generate One-Time Password without any data or network connection.

Please note that data or network connectivity is still required to login your account via limtan Mobile channels (iPhone/iPad/Android).

You will need to update the limtan Mobile App if it is currently not running on Version 2.62 and above. Please visit App/Play store to update your version.

All accounts will be eligible for this service.

No. You can only register the LTS OTP for one account on one mobile device.

For security purposes, the LTS OTP and SMS One-Time Password (OTP) is only valid for 30 seconds and 2 minutes respectively. If the OTP is expired, please re-enter the new generated OTP.

You can delink your LTS OTP/SMS OTP under "Personal Configurations" icon on the trading platform.

Yes, you will still receive the SMS OTP to the mobile number you have registered with us except for Philippines, Indonesia, US and China mobile numbers.

Please click here for a step by step user guide.