idevicecarrier -u <device_udid> set /path/to/carrier.ipcc
Scroll down to and tap it to verify that the version matches the newly loaded IPCC bundle.
Modifying carrier settings requires precision. Forcing an IPCC modification generally requires: A Windows PC or macOS computer. The latest version of iTunes (or Finder on modern macOS). A customized .ipcc file tailored to your target network.
configured to operate on the IMSI 7 protocol slot . load ipcc via imsi 7
These files contain settings for cellular data, MMS, voicemail, and hotspots. When you use an unlock chip, the phone often needs to "load" the correct carrier settings to enable data services. IMSI (7-Digit Code):
Before diving into the technical execution, it is essential to understand the underlying technologies: the IPCC file and the IMSI structure. What is an IPCC File?
stands for International Mobile Subscriber Identity . It is a 15-digit number stored on your SIM card/eSIM that identifies you to the mobile network. The IMSI structure is: idevicecarrier -u <device_udid> set /path/to/carrier
Open or Finder and navigate to the device summary page.
There are several scenarios where a user or developer might need to force-load an IPCC bundle using this method:
If the SIM-based method fails, you can manually push an IPCC file from a computer using 3uTools . Connect your iPhone to a PC via USB. Open and go to Toolbox > Install IPCC . Select your downloaded .ipcc file and click Install . The latest version of iTunes (or Finder on modern macOS)
After entering the IMSI, select and wait for the signal rsim5.com.
If the menu doesn't pop up automatically, go to (or Mobile Data > SIM Applications ). Select the "Edit IMSI" or "Input IMSI" option.
Locate the custom IPCC file you downloaded for your target network and click .