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After you file
To add your mobile device number as a business expense on TurboTax follow the instructions from this article:
- Navigate to the Schedule C section:
- TurboTax Online/Mobile: Go to the Schedule C screen under Wages & Income.
- TurboTax Desktop:
- Go to Federal Taxes.
- Go to Wages & Income.
- Under Wages and Salaries, select Start or Update next to Business Income and Expenses (Sch C).
- Answer Yes to Did you have any self-employment income or expenses? and answer the questions until you get the Select any expense categories you have screen.
- Select your expenses, then Continue.
- If you've already worked in this section, select Edit or Review next to your business.
- Then select Start or Edit next to an expense type that you had.
- Enter your expense description and amount, and follow the onscreen instructions.
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‎February 7, 2026
5:31 AM
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