What is the difference between tmsi and iccid?

The difference between tmsi and iccid: 1. When unlocking Tmsi, you need to distinguish the mobile phone operator version, but when unlocking Iccid, you do not need to distinguish the operator version; 2. When unlocking Tmsi, the three networks of the A13 device can be all telecom, and Iccid unlocking At this time, [A12-A13] equipment can be connected to three networks of telecommunications.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

The difference between tmsi and iccid:

1. When unlocking Tmsi, you need to distinguish the mobile phone operator version, while when unlocking Iccid, you do not need to distinguish the operator version.

2. When Tmsi is unlocked, the three networks of A13 devices can all be Telecom. A8-A12 devices need to distinguish between two or three networks according to the operator; when Iccid is unlocked, A12-A13 devices can all You can use the three telecommunications networks. Generally, those with new numbers but with the 4G logo need to activate VOLTE. A8-A11 devices need to be distinguished according to whether there is a meid column on the machine. Those with no meid column need to activate VOLTE.

The method to check the Iccid code on iPhone is as follows: First open the "Settings" application of the phone, then click on the "General" option, then click on the "About This Mac" option, slide down the screen to see the phone's Iccid code.

The Iccid code is also printed on the SIM card and card tray of the mobile phone. If you can't find the card tray, you can also go to the business office where the number belongs with your original valid ID to check.

Tips for using iPhone: Forgot the password to unlock the phone - first you need a computer with iTunes software installed. At this time, please turn off the iPhone, then press and hold the Home button on the phone and use a data cable to connect the phone to In the computer, wait a few seconds and the phone screen will show that it is connected to the iTunes software, and then the iTunes software will show the relevant information of the iPhone.

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