Confirm the usage of SIM unlocked and products sold by other companies with SoftBank
This guide will describe the registration procedures when using unlocked SoftBank mobile phones and mobile phones sold by other companies with a SoftBank USIM card.
How to use SIM cards purchased from another carrier/company
![SIM card purchased from another carrier→SoftBank mobile phone](/en/mobile/set/data/support/usim/img/fig_unlock.png)
Please read the following notes if you choose to use a SIM card purchased from another carrier using the SoftBank mobile phone.
How to use mobile phones purchased from another carrier/company
![SoftBank USIM card→Mobile phone purchased from another carrier](/en/mobile/set/data/support/usim/img/fig_port-out.png)
Please read the following notes if you choose to use a mobile phone purchased from another carrier using the SoftBank USIM card.