Offer ends 8/20/20. Monthly per line charge for unlimited domestic talk, text and data. Reflects $5 AutoPay discount. Up to maximum of five lines. Other monthly charges apply per line and may include $20 activation fee, roaming charges, taxes, gov’t fees and other Optimum Mobile fees and surcharges (including USF fee). Exclusive pricing available only for Suddenlink (SDL) customers. Must maintain both Optimum Mobile and SDL accounts in good standing and Optimum Mobile service at current level to maintain promotional pricing. Failure to maintain either account in good standing, disconnection or termination of SDL service, or changes to level of Optimum Mobile service will result in loss of promotional pricing, after which regular rates will apply. Quality of Service (QoS): After 20GB of data use on a line in monthly bill cycle, data reduced to 2G speeds for remainder of bill cycle. 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 change or discontinuance at any time. Offer not available everywhere or for all phones/networks. May not be combined with any other Optimum Mobile offers. Other terms and conditions apply. Optimum LTE leverages the Sprint LTE and AT&T LTE networks in certain locations to deliver 99% nationwide coverage. See our terms and policies for performance and network management details. All rights reserved. All trademarks and service marks are the property of their respective owners. ©2020 CSC Holdings, LLC.