The $14.99 monthly unlimited tethering / mobile WiFi hotspot add-on for your phone that T-Mobile promised in time for the holidays will be getting real this weekend, hitting on Sunday, November 14th. Of course, owners of myTouch 4Gs, G2s with the latest firmware update, and a couple other models in the T-Mobile stable have already been enjoying the option, gratis, for a couple weeks — so it’ll be interesting to see how many subscribers they convert for the $15 upcharge. Certainly makes those roots seem a little more appealing, doesn’t it? Available at the same time will be the new 200MB data option for $10, though it won’t be available (smartly) in combination with tethering. On a related note, Big Magenta will be rolling out two promotional Even More plans on the same date: a 1,500 anytime minute individual package for $79.99 and a 3,000 minute family plan for $149.99, both including unlimited text and web. Both require re-upping your contract and will be available “for a limited time,” though the carrier isn’t saying just how long that “limited time” may be. Follow the break for the release. Continue reading T-Mobile’s $15 tethering option, tiered data available this Sunday T-Mobile’s $15 tethering option, tiered data available this Sunday originally appeared on Engadget on Fri, 12 Nov 2010 12:02:00 EDT. Please see our terms for use of feeds . Permalink