Steps:
1: Open 3uTool & Copy Your Device UDID From There
2: Place Order imei + udid On Server
2: Follow This Video, it Will Show You, How To Prepare Your Device After you order. ( VIDEO LINK )
Make Sure Follow STEPS EXACTLY Like in This Video. If You Do Something Wrong & Your Device is LOST CAN BE ERASED or LOCKED by Apple.
3: After You Follow Video Properly , you need to go to icloud Storage menu, You Will Get Reply From Server ( FMI OFF Done )
You Can Restore Your Device For Remove iCloud Account , Enjoy