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.
It doesn't last very long at all. You can send me any venison you may have that is older than 2 months and I will properly dispose of it. ;). Seriously though, I have kept venison vacuum sealed and frozen for up to 3 years. I've had butcher paper wrapped burger last over a year. If it is freezer burned or in otherwise poor shape, eat it.