So SIM toolkit, which is tied to the SIM card is not the right solution. USSD or SMS services are more portable. Plus all the SIM toolkit apps are developed by the big SIM vendors (Gemalto, G&D/Smarttrust, Oberthur) who are located in Europe or China.
Freezing Cooked Tilapia. Leftover tilapia dishes can be wrapped tightly and frozen. Once in the freezer, the tilapia can remain for up to six months. Fresh tilapia can be stored for up to six months as well.
Step 1. Defrost tilapia fillets before cooking them. You can bake frozen fillets in the oven, but it takes longer and yields unevenly cooked results. Stick these thin fillets in the fridge overnight or soak them in their airtight wrappings in a bowl of cold water for about 45 minutes, replacing the water with colder water halfway through.