You just put a new SIM card into your iPhone, but something isn’t working right. Your iPhone is telling you that the SIM card isn’t supported. how to fix this problem when it says “SIM not supported” on your iPhone!
An iPhone usually says a SIM is not supported because your iPhone is locked to your carrier. This means you can’t insert a SIM card from a different carrier if you switch.
How to Fix Sim Not Supported on iPhone with grayRhino, jailbreak is required.
Get rid of SIM carrier lock ! this does not work on iCloud Bypassed devices or any kind of bypassed device since you will need to know original account in order to be able to activate your device, this tweak should work on all jailbroken devices from iOS 12 to 14.x.
NOTE : This tool will not work with icloud bypassed device and carrier blacklisted
HOW TO USE GRAYRHINO iOS CARRIER UNLOCK
Fully Untethered Carrier Unlock
Call, SMS, Cellular Data Perfectly Worked
If Restored Use The Tweak For Again
Step 1 : Turn Off the FMi (Find My iPhone)
Step 3: Install “Cydia”
Step 4: Open Safari
Step 5: Visit Link – panyolsoft.yourepo.com
Step 6: Add Repository panyolsoft to Cydia
Step 7: Open Cydia and Open the Repository
Step 8: Click Tweaks in the Panyolsoft Repository
Step 9: Install GrayRhino Tweak inside
Step 10: Device will Respring and Open Settings in iPhone
Scroll Bottom to find the GrayRhino Tweak
(If you don’t find GrayRhino tweak in the Settings menu then – Step 8 / Step 9 not done)
Step 11: Open GrayRhino in settings
Step 12: Buy license with telegram at @appletool /
Step 13: add license and wait till registered Success in server
Step 14: Click Respring after Success Message in iPhone Settings > GrayRhino
Step 15: Put Sim inside iPhone
Step 16: Activate device
JAILBREAK SUPPORTED DEVICES
Checkra1n – iOS12, iOS13, iOS14.x ( iphone 5S ,iphone 6, iPhone 6S, iphone 7, iphone 8, iPhone X )
Unc0ver iOS 11.0 – 14.3 ( iphone 5 up to iPhone 12 Pro )
Taurine Supports iOS 14.0-14.3 ( iPhone 6S up to 12 Pro )
SIM Not Supported On iPhone Unlock SIM carrier with Grayrhino