The word "SIM lock", which has many opportunities to hear recently.If you want to insert and use a SIM card from another telecommunications company into a smartphone purchased in your career, you need to release it.
In this article, I will explain how to check if the smartphone you are using is unlocking the SIM lock and the conditions for canceling.
First, I will introduce how to check if the iPhone you are using has been unlocked.
The iPhone is a software version that changes the way to unlock the SIM.The old version takes time, so let's update it after "iOS 14".
Tap "Information" displayed at the top from "General" in the setting app.If you scroll down, there is an item called "SIM lock", and if this is "no SIM lock", it will be released.
Confirmation is this work.It is easy.
The detailed items of Android devices differ depending on the model, and the method of confirmation may be different for your terminal.I used Xperia 5 II this time.
Proceed to "Device Information" from the configuration app and tap "SIM card status".If the status is displayed as "Authentged", the SIM lock has been released.
Even if it is not permitted, if the terminal is performing the SIM lock procedure, you may be able to use the SIM of another company by pressing the "Update" button.
If the smartphone you are using has not been unlocked, the SIM card of another telecommunications company will not be used.
At DOCOMO / au SoftBank, you can perform SIM unlocking procedures from "My docomo", "My au", and "My SoftBank", so please check that.
Of course, the above three carriers can also unlock the SIM at each store.However, the procedure at the store costs a 3,000 yen fee, but it can be done online for free, so if you don't have to worry about it, we recommend online procedures.
To unlock the SIM, you need to meet the conditions set by each carrier.Let's take a look at the conditions as of November 2020.
The conditions for unlocking the SIM of docomo are as follows.
1.No locks such as network use restrictions and lock locks are not applied 2. When one of the following is the following -100 days have passed since the purchase of the model -The past SIM was unlocked on the line, and from the reception.100 -day passing ・ If the model is purchased in a lump -sum payment, or purchased by installment payment, and the settlement of the installment payment/installment payment is completed ・ In the representative line of the line (including the cancellation line) or the batch billing.If you set a credit card to pay for DoCoMo's mobile phone charges
In addition, when unlocking the SIM lock of a used terminal, the procedure can be performed by 100 days after the purchase in installments, in addition to the lack of various locks such as network use and lock lock.
[See] DOCOMO SIM unlock
The conditions for unlocking au SIM are as follows.
1. It is a model that supports the SIM unlock function released after April 23, 2015 2. It is not an au mobile phone that is restricted by network use 3. SIM after 101 days after purchasing the model, SIMIf the au mobile phone with a desire to unlock is the following, the SIM unlock procedure is possible even within 100 days from the date of purchase, and there is no remaining in installments (purchased in bulk, residual bond settlement, etc.).・ In the au line used in the desired terminal, if the SIM lock is unlocked, 100 days have passed since the last SIM unlocking ・ Pay the installment price of the desired terminal and the payment of the au usage fee for the linked line.When setting for a credit card
[See] Au SIM unlock
SoftBank will display the terminal used when you enter the contract content on the official website, which can unlock the SIM.For more information, please refer to the following URL.
[See] Softbank SIM unlock
By the way, the conditions for unlocking SIM of SoftBank are as follows.
1. It is a model released after May 2015 2. If the model price is paid in lump -sum payment, it can be canceled after the purchase date. If the model price is purchased by an installment payment by credit card, it can be released after the purchase date. If the model price is purchased by installment payment by a method other than a credit card, it can be canceled after 101 days after purchase. 5. If you have been able to unlock SIM in Softbank in the past (if it falls under 1 to 3) 1. SIM after December 1, 2017. If you have locked 2. 3. When the last SIM unlocking date is 101 days later. If the product that was unlocked last time was a product released after May 2015
In the case of Rakuten Mobile, which entered as the fourth carrier, the terminal to be purchased is not locked from the beginning.
For this reason, how to use other companies' products on Rakuten Mobile is written, but the method of unlocking the company's terminal is not specified.
[See] Rakuten Mobile How to use Rakuten Mobile SIM as it is
* The data was examined as of the middle of 2020 as of the middle of 2020.* The information is made thorough, but it does not guarantee the integrity and accuracy of the content.* Please use the product at your own risk.
Sentence/Fumihiko Sato