Rsim HeiCard Chip Unlock iPhone 

HeiCard Sim - iPhone Carrier Unlock - Compatible with iPhone 7/8/XSMAX/XR/11/12/13/14
If ICCID unavailable Please USE IMSI and TMSI Mode
Built-in a variety of logic, such as ICCID, IMSI and TMSI;
It can be edite iccid for perfect activation;
It suppoort all iOS version, inclduing the newest iOS 15.4.
Menu introduction:
1. ICCID Perfect Unlock
This is perfect unlock for all model(required IOS support), but now there is not ICCID for perfect unlock, so it doesn’t work. Unless the perfect unlock ICCID is published, it will work again.
2. ICCID with AT&T IMSI
This is ICCID+MNC mode only support non-AT&T/AU device. Because the mode need a MNC code of AT&T, if the locked carrier of iPhone is AT&T or AU carrier, the iPhone can enter desktop but can‘t be unlocked. Using methods: click “ICCID with AT&T IMSI” on menu, it will enter an ICCID input window, just type in an available ICCID and send, then activate iphone, if your iphone enter desktop, it will be unlocked successfully, if you see “SIM not support”, maybe the ICCID is invalid, you should change an ICCID. If all ICCIDs show “SIM not support”, that means this mode have been blocked, it will not work.
3. Set IMSI Auto Unlock
This mode is TMSI/IMSI mode, it is unstable unlock mode, it means iPhone will lost signal if you are in weak signal area, but it can search signal automatically. This is only difference with“Set IMSI Manual Unlock” Using method: click “Set IMSI Auto Unlock” on menu, it will enter a list for carrier options. Select a corresponding carrier according to the carrier of your iPhone, and then waiting for your iPhone search signal automatically.
4. Set IMSI Manual Unlock
This mode is TMSI/IMSI mode, it is unstable unlock mode, it means iPhone will lost signal if you are in weak signal area, you need to search signal by click “reload signal” in the menu of SIM Application Program(Settings - Cellular - SIM Application Program). Using method: click “Set IMSI Manual Unlock” on menu, it will enter a list for carrier options. Select a corresponding carrier according to the carrier of your iPhone, and then activate your iPhone.
How to get the menu?
Dial “ * ” in emergency calling, it will show an error, it is normal, just close it. And then it will popup the menu. Or switch another sim card, it will popup menu again. See “New SIM Popup On”.