T-Mobile today to begin offering accessories under its equipment installment plan, allowing users to purchase various iPhone and iPad accessories and pay for them over 24 months. The equipment installment plan is available for accessories priced between $69 and $250 and does not require a downpayment for qualified customers. Customers must have a T-Mobile Simple Choice plan and if T-Mobile service is cancelled, the remaining accessory payments are due upon cancellation. On its website, T-Mobile offers a wide array of accessories, including , , , and more. T-Mobile is also currently offering a deal that includes a $100 MasterCard with the purchase of both an iPhone and an iPad. T-Mobile will begin selling accessories via payment plan on Sunday, July 20.