What can you do if SIM Card not remain locked inside GSM Box with spy cheating earpiece

When you put sim card inside gsm box with mini spy invisible earpiece for cheating on exam or test, and if SIM Card not remain locked inside gsm box, you can ceck this video to see what can you doo for fix this problem.
If you observe exactly as in the video the correct position of inserting the sim card into the cheating device, the card will remain inside thanks to the self-locking system.

You have to push with your fingernail or an object: a nail file, a pair of tweezers, a knife but not with a very sharp tip, etc. until you hear a click. This click will be heard when the sim card is pushed to the end (until it has nowhere to go back). Sometimes if you do this operation with a nail that is not big enough, you may not be able to push the card all the way and the card will not stay inside. If you don’t succeed with your fingernail, help yourself with something not very sharp.

Do not force the SIM card when inserting it into the cheating device!

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Source by Casca de Copiat cu Camera