How to distinguish whether the Japanese version of iPhone 5s has a built-in card sticker?

How to identify the built-in card application machine (fake without lock):

1. The number that receives the mobile phone text message will display 86 in front of it. The built-in card application machine has this feature.

2. iPhone can check the operator through settings-gt; general-gt; about this machine-gt; if the operator name is in English or garbled, such as: vodafone IE 14.0, it may be a built-in card sticker machine, but not absolutely (this method is more controversial, refer to it mainly)

3. Use a mobile SIM card to access the Internet. The built-in SIM card machine requires data roaming to be turned on to have 3G to access the Internet. Unlocked machines can only access the Internet. You need to turn on cellular data to get online. First turn off WiFi, as shown in the network settings below. If you can access the Internet, it is an unlocked machine. The built-in card sticker machine cannot be accessed under this network setting.

4. Check through the following two foreign websites The IMEI number can also be used to check whether it is locked. (The authority of the website is unknown, mainly for reference)

How to obtain IMEI: ① Settings-gt; General-gt; About this machine-gt; IMEI ② The IMEI number may be printed on the back of the mobile phone ③ There is a SIM card slot Print the IMEI number ④ In the dialing interface, enter *#06# and then press the dial key to view the IMEI number ⑤ Use the PC 91 Assistant to view the IMEI number