[Handling method]
You do not need to do anything special when you can take over data of the authentication app to a new terminal after model change.
When you cannot take over data of the authentication app to a new terminal after model change, follow the procedure below.
1. Create a backup code with the reference below.
* Go to the next step if you already have a valid backup code.
Create a backup code after authentication with an existing terminal.
https://www.intra-mart.jp/document/library/iap/public/operation/user_guide/texts/apply_guide/apply_guide_9.html#link_generate_backup_code
2. Log in with the backup code after model change with the reference below.
* Use it if you already have a valid backup code.
Log in with the backup code.
https://www.intra-mart.jp/document/library/iap/public/operation/user_guide/texts/apply_guide/apply_guide_9.html#%E3%83%90%E3%83%83%E3%82%AF%E3%82%A2%E3%83%83%E3%83%97%E3%82%B3%E3%83%BC%E3%83%89%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%A6%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%99%E3%82%8B
3. Reset multi-factor authentication in a new terminal after logging in with the reference below.
3-1. Disable multi-factor authentication
https://www.intra-mart.jp/document/library/iap/public/operation/user_guide/texts/apply_guide/apply_guide_9.html#im_multi_factor_authentication_disable
* When you initialize multi-factor authentication, the information below is initialized, too.
・ Backup codes you have already obtained will also be unavailable.
・ Trusted browser information will also be initialized.
3-2. Enable multi-factor authentication with the new terminal after model change.
https://www.intra-mart.jp/document/library/iap/public/operation/user_guide/texts/apply_guide/apply_guide_9.html#%E5%A4%9A%E8%A6%81%E7%B4%A0%E8%AA%8D%E8%A8%BC%E3%82%92%E6%9C%89%E5%8A%B9%E5%8C%96%E3%81%99%E3%82%8B
-- Target ------------------------------------------------------------------------
iAP/Accel Platform/2018 Spring (Skylark) and later
----------------------------------------------------------------------------------
FAQID:679
I want to know the procedure for mobile terminal model change when multi-factor authentication is used.
