Yes — if you use your phone for DoorDash, a portion of your phone bill is tax-deductible. The key word is portion: you can only deduct the percentage of use that's actually business-related. As a DoorDash driver, your phone is basically your office. You use it for the app itself, GPS navigation, texting customers about drop-offs, and communicating with support. Because of that, the IRS allows you to deduct the business-use percentage of your phone bill as a work expense. Here