There are many reasons given in the Terms of Service of 'why' you might be permanently deactivated for too much data usage.
Only you and ST can know for sure what happened, why you came to their attention.
Here's an excerpt of the general reasons 'why' for anyone reading this, followed by a link to the Terms of Service.
"6. STRAIGHT TALK UNLIMITED TALK, TEXT AND MOBILE WEB ACCESS PLAN INTENDED USE: Straight Talk Unlimited Talk, Text and Mobile Web Access Plans may ONLY be used with a Straight Talk handset for the following purposes: (i) Person to Person Voice Calls (ii) Text and Picture Messaging (iii) Internet browsing through the Straight Talk Mobile Web Service and (iv) Authorized Content Downloads from the Straight Talk Mobile Web Store. The Straight Talk Unlimited Plans MAY NOT be used for any other purpose. Examples of prohibited uses include, without limitation, the following: (i) continuous mobile to mobile or mobile to landline voice calls; (ii) automated text or picture messaging to another mobile device or e-mail address; (iii) uploading, downloading or streaming of audio or video programming or games; (iv) server devices or host computer applications, including, but not limited to, Web camera posts or broadcasts, automatic data feeds, automated machine-to-machine connections or peer-to-peer (P2P) file sharing; or (v) as a substitute or backup for private lines or dedicated data connections. This means, by way of example only, that checking email, surfing the Internet, downloading legally acquired songs, and/or visiting corporate intranets is permitted, but downloading movies using P2P file sharing services and/or redirecting television signals for viewing on laptops is prohibited. A person engaged in prohibited uses may have his/her service terminated without notice or a refund."
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answered 3 years, 7 months ago
Not sure, call straighttalk directly with your serial # to find out more.
answered 3 years, 8 months ago