Monthly per line charge for domestic talk, text and data. Autopay required. Up to maximum of five lines for residential customers. Up to maximum of ten lines for small or medium businesses. New Altice Mobile lines only, cannot be applied to existing lines of service. Other monthly charges apply per line and may include $20 activation fee, roaming charges, taxes, gov’t fees and other Altice Mobile fees and surcharges (including USF fee). Pricing, offer and terms subject to change at any time. Offer only for Optimum (OPT)/Suddenlink (SDL) customers. Must maintain both Altice Mobile and OPT/SDL accounts in good standing. International talk/text from U.S. and talk/text/data while traveling abroad not included. Quality of Service (QoS): After reaching 1 GB or 3 GB data cap, or after reaching 20GB of Unlimited data use on a line in monthly bill cycle, data reduced to 2G speeds for remainder of bill cycle. Additional data purchases available once 1 GB/3GB data cap reached.  Subject to this QoS policy, tethering at 600 Kbps & video streaming at SD quality (about 480p). Domestic off-net (roaming), at 2G speeds. See our Broadband Disclosure for additional performance and network management details. Other Restrictions: Credit approval may be required. Offer subject to discontinuance at any time, not available everywhere or for all phones/networks, and may not be combined with any other Altice Mobile offers. Other terms and conditions apply; see alticemobile.com/plan for plan details. All rights reserved. ©2020 CSC Holdings, LLC.