Legal disclaimer: Select customers (3+ years of service) can add a line to their family plan for free. Limited-time; subject to change. Family plan account req’d. Plus taxes & fees for certain plans. $10 device connection charge req'd with monthly bill credits. Subject to change. Free new line for qualifying existing accounts with 2+ voice lines on a family plan and a max of 2 current free lines. Plus taxes & fees for accounts paying for a T-Mobile wireless line with additional taxes & fees; monthly Regulatory Programs (RPF) & Telco Recovery Fee (TRF) totaling up to $3.99 per voice line, and federal and local surcharges apply. Qualifying credit and qualifying regularrate postpaid plan required. Promotional, segmented, single line plans, accounts with multiple single line plans, and Essentials Saver plans are excluded from offer. If you have cancelled lines in past 90 days, you may need to reactivate them first. Credits may take up to 2 bill cycles; credits will stop if you cancel any lines or change plans. $10 device connection charge due at sale. Limit 1/account. May not be combined with some offers, discounts, or promotions including other service discounts, device offers, or 5 year guarantee; choosing free line gives up access to Experience More and Experience Beyond device offer features for this line only. See rep for details.