The following are procedures and important considerations for unlocking a SIM card with an au mobile phone.
After you have read and understood the Important Considerations Regarding Sim Unlocking, please follow the procedures below.
Check if your au mobile phone can be SIM unlocked and perform the procedures. (No processing fee)
Call center (temporary line) : 0120-590-057 (Business hours: 10:00 to 18:00, 365 days a year)
You can check the detailed method of the SIM unlocking procedure in English on My au.
Apply at any au shop.
SIM unlocking may result in the alteration or loss of data (such as address books, image data, content and e-mails) and settings information. au assumes no responsibility for any such alteration or loss which may occur as a result of SIM unlocking, and customers are encouraged to backup their data on an external medium (SD card, PC, etc.).
au makes no guarantee regarding the operation of any au mobile phone which is being used with another company's SIM card.
In addition, restrictions may apply to the usage of services, functions, applications (both those pre-installed on your phone and those which you have downloaded), content, etc.
The usage fees established by the SIM card provider shall apply.
For details about usage fees, please contact your telecommunications service provider directly.
Even if you performed SIM unlocking, au will still handle repair issues for the physical au phone/device.
Excluding cases of willful or gross negligence, au is neither financially liable nor in any way responsible for anything which may result from SIM-unlocking an au mobile phone or using a SIM-unlocked au mobile phone with another company's SIM card.
Check the "Status" shown on the SIM Card Status screen (the third operational screen above).