To add minutes to a Straight Talk prepaid mobile phone either select the "Prepaid" menu on the device, go to www.straighttalk.com/refill, or call the customer service line at 1-877-430-2355. Prepaid accounts may be refilled monthly using a debit or credit card, a Straight Talk Service Card or by using Auto-Refill.
Payments can be made using the Straight Talk app available on Google Play. The Straight Talk app allows customers to make payments using the same methods as the official website or set up Auto-Refill. Auto-Refill is a program from Straight Talk that allows customers to set up automatic payments to keep service active either monthly or when the account balance reaches a preset amount.