How to check with iPhone and Android to see if the SIM lock of the smartphone has been released | @Dime at Daim

DOCOMO, AU, and SoftBank have a 20GB price plan that can be used in the 2000 yen range per month, and a 3278 yen price plan starts in April 2021 even if Rakuten Mobile uses 20GB or more.In addition, MVNO companies have been reducing basic rates one after another.

Many people are planning to change the fee plan and change the telecommunications company that has contracted at this time, and to reduce monthly expenses.

Therefore, this time, I will introduce how to check if there is a "SIM unlock" to use the smartphone you are using as it is even if you switch to a telecommunications company.

How to check if the iPhone you are currently using has been unlocked

If the smartphone you are currently using is an iPhone, it is relatively easy to check if the SIM is unlocked.The method described later is common to the iPhone purchased anywhere in the four carriers.

However, the following confirmation method is a method that can be done with the iPhone installed after "iOS 14".Check in advance whether it is updated from "General" and "Software Update" in the setting app.

Open the configuration app and proceed to "general".Next, proceed to the "information" displayed at the top.

If you scroll down, there is an item called "SIM lock", and if it is written as "no SIM lock", the SIM lock will be unlocked.

You can check if the iPhone you are currently using is locked in this work.

How to check if the SIM lock of the Android smartphone has been released

In the case of Android smartphones, there is a way to make sure that the SIM lock has been released depending on the model.This time, let's introduce how to check with "Xperia 5 II" purchased at au.The installed OS is Android 11.

Open the setting app and proceed to the "device information" at the bottom.

Tap "SIM card status".

If the "SIM lock status" displayed at the top is "permitted", the SIM lock has been released.

The above procedure is a method of checking the status of the SIM lock in Xperia 5 II, but even if other Android smartphones can also confirm that SIM locks are applied from the "terminal information (device information)" in the setting application.There is also.

By the way, in the case of the SIM -free model of "Google Pixel 4a (5g)" equipped with Android 11, "Device information" is confirmed from the Xperia 5 II, and there is no "SIM card status" item. did.

Since it is a SIM -free model, there is no SIM lock, and it may be deleted because it is an unnecessary item.

Rakuten Mobile, which has entered the market as the fourth telecommunications carrier, will be "SIM lock -free" with no SIM locks from the start of services.Is announced.

[See] Rakuten Mobile started services as a mobile carrier business in October (September 6, 2019)

Therefore, in the case of smartphones purchased from Rakuten Mobile, the SIM lock has been unlocked from the beginning, regardless of the iPhone or Android.

* The data was examined as of early May 2021.* 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