Why can't I download and install OTAs on my HTC One M9?

[AC Question]

Can't download and install OTAs HTC One M9

I purchased an HTC one m9 used unlocked. As soon as I activated the new sim card it promped me to download OTA updates, but when I try to TWRP won't let me.
Is there a way to go back to stock recovery to enable OTA updates?

 

[IAmSixNine]

Re: Can't download and install OTAs HTC One M9

http://forums.androidcentral.com/htc-one-m9/597750-unable-download-install-otas-htc-one-m9.html