| Schedule of trade accounts receivables |
5.c. Breakdown | | | | | | | | | | | | | 12.31.2025 | | 12.31.2024 | Services and goods(1) | 12,250,210 | | | 11,001,308 | | Interconnection amounts(1)/(2) | 634,221 | | | 632,033 | | | Vivo Pay I - FIDC | 348,848 | | | 360,411 | | Amounts from related parties (Note 29)(1) | 50,292 | | | 63,240 | | | Gross accounts receivable | 13,283,571 | | | 12,056,992 | | | Estimated impairment losses | (2,380,452) | | | (2,215,251) | | | Net accounts receivable | 10,903,119 | | | 9,841,741 | | | | | | | Current | 10,619,617 | | | 9,471,592 | | | Non-current | 283,502 | | | 370,149 | |
(1)The consolidated include R$3,024,347 and R$2,752,975 to be billed to customers on December 31, 2025 and 2024, respectively. It also includes the amounts of contractual assets (Note 25.a.), shown in item d), of this Note. (2)Refer to billed amounts from other telecommunications operators.
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| Schedule of changes in contractual assets arising from the initial adoption of IFRS 15 |
5.d. Changes in contractual assets | | | | | | | | | | | | | | | | | | | Contract assets, gross | | Provision for losses | | Contract assets, net | | Balance on December 31, 2023 | 117,796 | | | (24,690) | | | 93,106 | | | Additions | 342,286 | | | (4,787) | | | 337,499 | | | Write-offs | (311,114) | | | — | | | (311,114) | | | Balance on December 31, 2024 | 148,968 | | | (29,477) | | | 119,491 | | | Additions | 362,389 | | | — | | | 362,389 | | | Write-offs / reversals | (345,775) | | | 368 | | | (345,407) | | | Balance on December 31, 2025 | 165,582 | | | (29,109) | | | 136,473 | |
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| Schedule of changes in estimated losses for impairment |
5.e. Changes in estimated losses for impairment | | | | | | | | | | Balance on December 31, 2023 | | (2,437,845) | | | Supplement to estimated losses, net of reversal (Note 26.) | | (1,523,263) | | | Write-off | | 1,750,394 | | | Business combination - IPNET (Note 1.c.3.) | | (4,537) | | | Balance on December 31, 2024 | | (2,215,251) | | | Supplement to estimated losses, net of reversal (Note 26.) | | (1,581,337) | | | Write-off | | 1,417,791 | | | Business combination - Samauma (Note 1.c.1) | | (786) | | | Business combination - FiBrasil (Note 1.c.2) | | (869) | | | | | | Balance on December 31, 2025 | | (2,380,452) | |
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