HEICARD SIM7 TUTORIALORIAL（4G/2G) HEICARD SIM7 TUTORIAL —-For unlocking TDD-4G and WCDMA -4G Network standard The steps just for Foreign custom version and it is ppropriate for Network standard WCDMA -4G and TDD-4G，the better unlocking need Mobile phone system requires IOS 9~10.2 and 4G SIM Card. First: Put the heicardsim and SIM card into he phone, it will show the black LIST named heicardsim 7. STEP 1: Select unlock SIM mode iphone5S~7 USIM 4G ( 4G SIM card Network standard) 
STEP2: Select phone carrier you will see the black LIST change to Select carrier, this one you need choose your phone carrier, such as US AT&T. Press ACCEPT to finish setting. ( if you are not find your phone carrier, you can use website to search the carrier code and click the INPUT IMSI enter the carrier code.) website：http://ultra.chinasnow.net/opcode 
Finally;: after you have finished the first step correctly, you will enter into your phone desktop and will see the change of the signal. if it not show the 4G, please check does it on of DATA ROAMING or the 4G.( you will find it on cellular network.) PLESAE ATTENTION THAT(FOR 4G SIM MOED): 1,Before you put the heicard to your phone, please only put your SIM card into your phone to see what the signal show . if show 3G or first show 3g than change to 4G, it that means the SIM card can’t support the heicard. the heicard just support sim card which the signal show 4G . 2, but if your country not have 3G signal, just have 4G. the heicard sim 7 can not be used. HEICARD SIM7 TUTORIAL —-For unlocking 2G GSM Network standard The steps just for Foreign custom version and it is appropriate for Network standard GSM-2G，the better unlocking need Mobile phone system requires IOS 9~10.2 and 2G SIM Card. First: Put the heicardsim and SIM card into the phone, it will show the black LIST named heicardsim 7. STEP 1: Select unlock SIM mode iphone5S~7 SIM ( 2G SIM card Network standard) 
STEP2: Select phone carrier you will see the black LIST change to Select carrier, this one you need choose your phone carrier, such as US AT&T. Press ACCEPT to finish setting. ( if you are not find your phone carrier, you can use website to search the carrier code and click the INPUT IMSI enter the carrier code.) website：http://ultra.chinasnow.net/opcode Finally, after you have finished the first step correctly, you will enter into your phone desktop and will see the change of the signal. if it not show the 4G, please check does it on of DATA ROAMING or the 4G.( you will find it on cellular network.) STEP 3:pull out the sim card cato and then insert it. (don’t turn off the phone)finished the setting. if you use heicard with some problems，pls contact us！ we chat QR Code（ Scan a QR Code ）： 
skype：huczi@live.cn
STEP2: Select phone carrier you will see the black LIST change to Select carrier, this one you need choose your phone carrier, such as US AT&T. Press ACCEPT to finish setting. ( if you are not find your phone carrier, you can use website to search the carrier code and click the INPUT IMSI enter the carrier code.) website：http://ultra.chinasnow.net/opcode 