Before iTunes or Finder will allow you to select a local IPCC file, you must enable carrier testing:
New iOS updates from Apple often block these bypass methods. How It Is Typically Done load ipcc via imsi 7
Many users find Aisi Assistant (爱思助手) more reliable than iTunes for loading IPCC files: Before iTunes or Finder will allow you to
In the context of this keyword, it is often used on "carrier-locked" iPhones (devices restricted to a specific operator) equipped with a chip card. By modifying the IMSI parameters (including the 7th digit) provided by the chip card to the iPhone, a user can "trick" the iOS system into loading the IPCC file of another operator, thereby bypassing certain restrictions or enabling specific network features. The International Mobile Subscriber Identity (IMSI) is a
The International Mobile Subscriber Identity (IMSI) is a unique 15-digit number stored on your SIM card that identifies you to the mobile network. Its structure is as follows:
button (or slide down) until you see "Software Update Complete," then release. Immediately press the power button to turn off the screen. Wait roughly 10–15 seconds
: Choose options like "Auto via IMSI" or "Manual via IMSI" .