Weaksauce does not work on the Sprint variants.
I would give Firewater another shot as s-off will save you headaches like this down the road. I would also suggest doing it before you update HTC has a way of making thing harder for us with every OTA.
If your phone is inoperable at the moment use this guide to get up and running.

Frequently Asked Questions - HTC One-M7-Sprint(m7wls) | HTC Evo 4G LTE(Jewel) | HTC One-M8-Sprint(m8_whl)
ROM Cleaner | AROMA | Remove Bloatware | Backup Apps | Install Apps/Mods
ROM Cleaner for HTC Evo 4G LTE or ROM Cleaner for HTC One
My DIY guides on how to root your HTC Evo 4G LTE | HTC One(M7)-Sprint | HTC One(M8)-Sprint

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