Under similar circumstances, if you put in a SIM card of another carrier, then it might end up changing the CSC code stored in the MSP Code Preconfig. Fortunately, you could stop that from happening, in other words, prevent CSC from changing when you use a different SIM card. Follow along.
How to Prevent CSC from Changing when you use a Different SIM Card
These were the steps to prevent CSC from changing when you use a different SIM card. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.
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