| Summary of revenue |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Turkcell Türkiye | | Techfin | | Other | | Intersegment Eliminations | | Consolidated | | | 2025 | | 2024 | | 2025 | | 2024 | | 2025 | | 2024 | | 2025 | | 2024 | | 2025 | | 2024 | Telecommunication services | | 199,161,698 | | 179,628,578 | | — | | — | | 5,501,850 | | 4,768,363 | | (216,417) | | (280,026) | | 204,447,131 | | 184,116,915 | Equipment revenues | | 18,934,975 | | 17,715,566 | | — | | — | | 349,285 | | 268,468 | | (12,702) | | (14,507) | | 19,271,558 | | 17,969,527 | Revenue from financial services | | — | | — | | 13,688,815 | | 11,300,922 | | — | | — | | (1,232,267) | | (1,068,600) | | 12,456,548 | | 10,232,322 | Other | | 2,222,803 | | 2,398,253 | | — | | — | | 8,288,528 | | 5,937,727 | | (5,215,747) | | (2,494,714) | | 5,295,584 | | 5,841,266 | Total | | 220,319,476 | | 199,742,397 | | 13,688,815 | | 11,300,922 | | 14,139,663 | | 10,974,558 | | (6,677,133) | | (3,857,847) | | 241,470,821 | | 218,160,030 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Turkcell Türkiye | | Techfin | | Other | | Intersegment Eliminations | | Consolidated | | | 2024 | | 2023 | | 2024 | | 2023 | | 2024 | | 2023 | | 2024 | | 2023 | | 2024 | | 2023 | Telecommunication services | | 179,628,578 | | 162,586,486 | | — | | — | | 4,768,363 | | 4,320,270 | | (280,026) | | (379,595) | | 184,116,915 | | 166,527,161 | Equipment revenues | | 17,715,566 | | 21,230,404 | | — | | — | | 268,468 | | 346,012 | | (14,507) | | (42,561) | | 17,969,527 | | 21,533,855 | Revenue from financial services | | — | | — | | 11,300,922 | | 8,633,914 | | — | | — | | (1,068,600) | | (784,783) | | 10,232,322 | | 7,849,131 | Other | | 2,398,253 | | 2,440,762 | | — | | — | | 5,937,727 | | 6,737,927 | | (2,494,714) | | (2,659,883) | | 5,841,266 | | 6,518,806 | Total | | 199,742,397 | | 186,257,652 | | 11,300,922 | | 8,633,914 | | 10,974,558 | | 11,404,209 | | (3,857,847) | | (3,866,822) | | 218,160,030 | | 202,428,953 |
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| Summary of revenue by recognition |
| | | | | | | | | | | | | 31 December 2025 | | | Turkcell | | | | | | Intersegment | | | | | Turkiye | | Techfin | | Other | | eliminations | | Consolidated | Telecommunication Services | | 199,161,698 | | — | | 5,501,850 | | (216,417) | | 204,447,131 | At a point in time | | 1,635,865 | | — | | 9,037 | | — | | 1,644,902 | Over time | | 197,525,833 | | — | | 5,492,813 | | (216,417) | | 202,802,229 | Equipment Related | | 18,934,975 | | — | | 349,285 | | (12,702) | | 19,271,558 | At a point in time | | 18,040,795 | | — | | 349,285 | | (12,702) | | 18,377,378 | Over time | | 894,180 | | — | | — | | — | | 894,180 | Revenue from financial operations | | — | | 13,688,815 | | — | | (1,232,267) | | 12,456,548 | At a point in time | | — | | 8,129,149 | | — | | (1,194,728) | | 6,934,421 | Over time | | — | | 5,559,666 | | — | | (37,539) | | 5,522,127 | Other | | 2,222,803 | | — | | 8,288,528 | | (5,215,747) | | 5,295,584 | At a point in time | | 370,774 | | — | | 5,895 | | (2,015) | | 374,654 | Over time | | 1,852,029 | | — | | 8,282,633 | | (5,213,732) | | 4,920,930 | Total | | 220,319,476 | | 13,688,815 | | 14,139,663 | | (6,677,133) | | 241,470,821 | At a point in time | | 20,047,434 | | 8,129,149 | | 364,217 | | (1,209,445) | | 27,331,355 | Over time | | 200,272,042 | | 5,559,666 | | 13,775,446 | | (5,467,688) | | 214,139,466 |
| | | | | | | | | | | | | 31 December 2024 | | | Turkcell | | | | | | Intersegment | | | | | Turkiye | | Techfin | | Other | | eliminations | | Consolidated | Telecommunication Services | | 179,628,578 | | — | | 4,768,363 | | (280,026) | | 184,116,915 | At a point in time | | 1,162,258 | | — | | 7,910 | | — | | 1,170,168 | Over time | | 178,466,320 | | — | | 4,760,453 | | (280,026) | | 182,946,747 | Equipment Related | | 17,715,566 | | — | | 268,468 | | (14,507) | | 17,969,527 | At a point in time | | 16,885,389 | | — | | 268,468 | | (14,507) | | 17,139,350 | Over time | | 830,177 | | — | | — | | — | | 830,177 | Revenue from financial operations | | — | | 11,300,922 | | — | | (1,068,600) | | 10,232,322 | At a point in time | | — | | 5,689,927 | | — | | (984,127) | | 4,705,800 | Over time | | — | | 5,610,995 | | — | | (84,473) | | 5,526,522 | Other | | 2,398,253 | | — | | 5,937,727 | | (2,494,714) | | 5,841,266 | At a point in time | | 436,886 | | — | | 48,541 | | (5,081) | | 480,346 | Over time | | 1,961,367 | | — | | 5,889,186 | | (2,489,633) | | 5,360,920 | Total | | 199,742,397 | | 11,300,922 | | 10,974,558 | | (3,857,847) | | 218,160,030 | At a point in time | | 18,484,533 | | 5,689,927 | | 324,919 | | (1,003,715) | | 23,495,664 | Over time | | 181,257,864 | | 5,610,995 | | 10,649,639 | | (2,854,132) | | 194,664,366 |
| | | | | | | | | | | | | 31 December 2023 | | | Turkcell | | | | | | Intersegment | | | | | Turkiye | | Techfin | | Other | | eliminations | | Consolidated | Telecommunication Services | | 162,586,486 | | — | | 4,320,270 | | (379,595) | | 166,527,161 | At a point in time | | 2,752,270 | | — | | 5,441 | | — | | 2,757,711 | Over time | | 159,834,216 | | — | | 4,314,829 | | (379,595) | | 163,769,450 | Equipment Related | | 21,230,404 | | — | | 346,012 | | (42,561) | | 21,533,855 | At a point in time | | 20,260,290 | | — | | 346,012 | | (42,561) | | 20,563,741 | Over time | | 970,114 | | — | | — | | — | | 970,114 | Revenue from financial operations | | — | | 8,633,914 | | — | | (784,783) | | 7,849,131 | At a point in time | | — | | 4,203,924 | | — | | (710,770) | | 3,493,154 | Over time | | — | | 4,429,990 | | — | | (74,013) | | 4,355,977 | Other | | 2,440,762 | | — | | 6,737,927 | | (2,659,883) | | 6,518,806 | At a point in time | | 220,110 | | — | | 58,716 | | — | | 278,826 | Over time | | 2,220,652 | | — | | 6,679,211 | | (2,659,883) | | 6,239,980 | Total | | 186,257,652 | | 8,633,914 | | 11,404,209 | | (3,866,822) | | 202,428,953 | At a point in time | | 23,232,670 | | 4,203,924 | | 410,169 | | (753,331) | | 27,093,432 | Over time | | 163,024,982 | | 4,429,990 | | 10,994,040 | | (3,113,491) | | 175,335,521 |
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