Apple's various LTE locks change to 4G latest IPCC download
1. First you need a computer and install the aisi assistant
Test mobile phone: iPhone Xs max US version
SIM card: China Unicom
System: ios 13.1.2
tutorial
Function introduction of aisi assistant to update IPCC file
IPCC (Carrier Kit) provides all the rules for carrier services, such as VoLTE, MMS, voicemail, etc. Usually, IPCC will be updated with the update of iOS version. For example, telecom users can update IPCC on iPhone to enable telecom VoLTE service only after upgrading to the official version of iOS 12.2. If you don't want to upgrade the system, you can use aisi assistant to install or update IPCC files separately.
Steps for usage
1. Download and install the latest version of aisi assistant on the computer, and connect the Apple device to the computer with a data cable.
2. After the connection is successful, open the aisi assistant "Toolbox - Update IPCC file" in sequence.
Use aisi assistant to update IPCC file tutorial
3. In this interface, you can view information such as the SIM card operator, the current IPCC version, and the recommended updated IPCC file version. You can also select a carrier manually.
Use aisi assistant to update IPCC file tutorial
4. You can click "Check for Update" to refresh, then click "Update Now" to start updating the IPCC file, wait for about 2 seconds to complete the update, and a prompt will appear after the update is successful.
Use aisi assistant to update IPCC file tutorial
5. If you want to manually download the IPCC file, you can click the "IPCC Introduction and File Download" below to view it, and download it according to your operator and region of use. After the download is complete, decompress and get a file with the suffix .ipcc.
Use aisi assistant to update IPCC file tutorial
Then you can click "Select Local IPCC", upload the .ipcc file just downloaded, and then click "Update Now" to update.
Use aisi assistant to update IPCC file tutorial
6. On the iPhone, open "Settings - General - About This Device" in turn, and you can see the current IPCC version number in the "Operator" column.
Practice effect
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IPCC download link:
China Unicom IPCC link
IPCC41.0: link: click to download
IPCC40.5: link: click to download
IPCC40.1: link: click to download
IPCC40.0: link: click to download
IPCC39.5: link: click to download
IPCC39.0: link: click to download
IPCC38.5: link: click to download
IPCC38.0: link: click to download
IPCC37.0: link: click to download
IPCC36.0: link: click to download
The mobile IPCC link is as follows
IPCC41.0: link: click to download
IPCC40.5: link: click to download
IPCC40.0: link: click to download
IPCC39.5: link: click to download
IPCC39.0: link: click to download
IPCC38.5: link: click to download
IPCC38.0: link: click to download
IPCC37.0: link: click to download
IPCC36.0.1: link: click to download
Telecom IPCC links are as follows
IPCC41.0: link: click to download
IPCC40.5: link: click to download
IPCC40.0: link: click to download
IPCC39.0: link: click to download
IPCC38.0: link: click to download
IPCC37.0: link: click to download
IPCC36.0: link: click to download
IPCC35.01.0: link: click to download
Restore the IPCC link as follows
Restore IPCC: link: click to download