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Invalid SIM# message trying to change to previous SIM


2 months ago I bought a new SIM and changed to it. Today I tried to go back to previous Sim Card and got invalid SIM# message. Anyone knows why?

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Userlevel 6
Badge +4
Activating a new SIM on a prepaid account invalidates any previous SIM.
Userlevel 7
Badge +4
Mihut Aronovici wrote:

Is there any way to reactivate it or do I need to purchase a new prepaid SIM?

You would need to purchase a fresh SIM.

Is there any way to reactivate it or do I need to purchase a new prepaid SIM?
Ray wrote:

Activating a new SIM on a prepaid account invalidates any previous SIM.

Thank you!

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