Yes, the credit will be applied to the primary account.
The credit for your free month of service will be applied after your first monthly payment is made.
Offer valid 4/17/18 – 7/16/18.
BYO Free Month Offer: Avail. for new customers activating on $50 plan, in sel. markets activating in a Boost Mobile store or boostmobile.com. Select iPhone and Android models only. Former Sprint devices not eligible. Req. initial payment of $50 at time of activation. Credit will be applied to account within one week of monthly recurring payment date. For Family Plans, credit applied to primary account. Customer must remain on initial device & plan to receive credit. Customer responsible for any incremental/additional charges beyond basic monthly service. Customer responsible for next month's payment for continued service. Not compatible with Boost Dealz. Other terms: Boost has no annual svc. contracts; svc. is subject to terms & conditions. Offers & coverage not available everywhere or for all phones/networks. Boost reserves right to modify, extend or cancel offer at any time. Prohibited network use rules, & other restrictions apply. See participating dealer for details. © 2018 Boost Worldwide, Inc. All rights reserved. All other marks are the property of their respective owners.