Step 1: Connect your iPhone to Wifi( Make sure the net speed is smooth), open the Safari browser in the mobile phone desktop.
Step 2: Input R-SIM 3G/4G 128K USIM patch address: www.rsim5.com/nano4g in your browser, click “GO” on the lower right corner, then click “ Free Installation”.
Step 4: After installation, it shows “complete iROse TOO Red Icon” in the desktop, click it and enter into the installation interface, click “iPhone 5 exclusive USIM patch” ,then “OK”.
Step 5: Click “Enable Patches”, power off, then reboot with the unlock card. Done.
Step 5: The hint of document installation will pop up in your 4s/5,click “install” and completed.
Step 6: After installation, click -SIM3 icon,open software, plug out the SIM card, then plug in. Then reboot your iPhone. The computer shows “installation completed” simultaneously.
After unlock, if using free patch, some functions of your iPhone may be invalid. cellular data may not appear, +86 problem, do not show contacts list and so on. If installed paid patch, it will be flawless unlock procedure. Please enter “setup”- “”generalization”-“cellular data network”, launch “data roaming”, APN: for Unicom users: input 3GNET, for mobile subscribers: input CMNET. Completed.