About SIM unlock
To use the J:COM MOBILE SIM Card, customers using docomo/SoftBank line terminals (including iPhones) must unlock the SIM.
- For au lines, VoLTE compatible terminals released after August 2017 do not require SIM unlocking and can be used as is. Before that, even models released by au require SIM unlocking.
About SIM lock
If you are using a docomo/SoftBank line terminal, it is "SIM locked" and you will not be able to use your J:COM MOBILE SIM Card as is. You will need to complete the SIM unlock procedure in advance.
au terminal
| terminal | Unlock SIM |
|---|---|
| iPhone 8 or newer | there is no need. You can use it as is. |
| iPhone 6s/7 | SIM unlocked Is required |
| Android smartphone/tablet |
Some terminals may require SIM unlocking. Please check the compatibility of your device. Operation confirmation terminal to the checker |
Docomo/Softbank terminals
| terminal | Unlock SIM |
|---|---|
| iPhone 13 or newer | there is no need. You can use it as is. |
| Up to iPhone 12 | SIM unlocked Is required |
| Android smartphone/tablet |
SIM unlocked Is required |
| Regarding the band (frequency band) Confirmation Is required. |
SIM-free
| terminal | Unlock SIM |
|---|---|
| iphone Android smartphone/tablet |
there is no need. You can use it as is. |
- Devices that do not support VoLTE cannot be used.
Smartphone savings calculatorHow to unlock the SIM lock
To unlock the SIM lock, it is necessary to perform the procedure via the Internet on your own or at a store (carrier shop).
over the internet
Personal procedure
Softbank
Perform the SIM unlock procedure from "My SoftBank". In order to perform the SIM unlocking procedure, it is necessary to prepare in advance the SIM of another company that you plan to use after unlocking.
au
Check whether your au mobile phone can be SIM unlocked from "My au" and follow the procedures.
- This procedure is only available for models for which the purchase history can be checked under the current au contract.
| procedure fee | free |
|---|
- The above conditions and amounts are information as of December 1, 2017. Information is subject to change without notice and may differ in reality, so please contact and confirm details with each carrier/MVNO operator.
Procedures at stores (carrier shops)
Common to all carriers
Bring a device that satisfies the SIM unlocking conditions above and carry out the procedure at the carrier's shop.
| procedure fee | 3,000 yen for each company |
|---|
SIM unlock conditions by carrier
In principle, SIM lock can be unlocked for models released after May 2015.
Docomo, au, and SoftBank may be able to unlock SIM locks on devices released earlier. For details, please see the homepage of each carrier.
docomo
Various locks such as network usage restrictions and Omakase Lock are not applied.
100 days have passed since the date of purchase in installments at a DOCOMO store.
- You may be able to unlock the SIM lock within 100 days from the date of purchase of the model. For details, see the docomo website.
Softbank
It must be a SIM unlock compatible terminal released after May 1, 2015.
The network usage restrictions must not be locked.
Services that restrict product functions, such as Secure Remote Lock, have been canceled.
The target product must not be damaged or wet.
If the line contract has been canceled, it must be within 90 days from the date of cancellation.
However, if you purchased the device by installment payment, it must be 101 days or more after the device purchase date.
It must be 101 days or later from the date of purchase of the model
- You may be able to unlock the SIM lock within 100 days from the date of purchase of the model. For details, please see the SoftBank website.
au
It must be a SIM unlock compatible terminal released after April 23, 2015.
The au mobile phone must not be under network usage restrictions.
It must be 101 days or later from the date of purchase of the model.
- You may be able to unlock the SIM lock within 100 days from the date of purchase of the model. For details, see the au homepage.
New customers
Contact us by phone
(Free call)0120-989-970
AM 9:00-PM 6:00 [open all year round]
[About the amount including tax]
- Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.
