Originally Posted by Global_Hi_Flyer

I can't tell you what you should or shouldn't do.

All I can tell you is that *I* made the choice to buy the TIM prepaid SIM based on the comments on the prepaidgsm.net site and I was able to successfully activate the INTERNET100 feature & use my mifi.

This was my exchange with Telestial prior to purchasing the SIM:



For me, it turned out that the prepaidGSM site's comments about being able to activate data with any TIM prepaid voice SIM was correct.

My tolerance for risk may be different than yours, however, so you may want to take that into account. For me, the risk was the $100 or so in cost to Telestial for the SIM and the slim possibility that it wouldn't work the way I wanted it to. My fallback plan was to walk into a TIM store there and buy the SIM locally & set that up on data (it would have saved money, but at the cost of additional time that I didn't want to spend on logistics).

It's possible that things have changed since I went 6 months ago. It's also possible that Telestial doesn't have all the facts or doesn't want to take any risk on their end.

FWIW, the following is currently on the TIM website (translate with Google):