Latest Samsung Galaxy S21 (SM-G991U) - CHA firmware
| Model |
|
Date | PDA | Version |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2025-09-25 | G991USQSHHYI1 | 15 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2025-06-25 | G991USQSGHYF2 | 15 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2025-06-04 | G991USQSFHYE2 | 15 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2025-04-30 | G991USQUEHYDA | 15 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2025-02-26 | G991USQSEGYA5 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2025-01-14 | G991USQSEGXLB | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-12-15 | G991USQSEGXK3 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-11-13 | G991USQSEGXJ4 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-10-16 | G991USQSDGXJ2 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-09-12 | G991USQSCGXH2 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-08-20 | G991USQUCGXGA | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-07-14 | G991USQSCGXF3 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-06-16 | G991USQSBGXF1 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-05-22 | G991USQSBGXE2 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-05-09 | G991USQUAGXDE | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-04-11 | G991USQSAFXD2 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-03-17 | G991USQSAFXBD | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-02-20 | G991USQSAFXAF | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-01-23 | G991USQS9FXA4 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2024-01-08 | G991USQU9FWL6 | 14 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-12-18 | G991USQU9EWL2 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-11-14 | G991USQS9EWK2 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-10-08 | G991USQS9EWI8 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-09-27 | G991USQS9EWI7 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-09-10 | G991USQU8EWI5 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-08-16 | G991USQS8EWH1 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-06-29 | G991USQU7EWE5 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-05-03 | G991USQU6EWD3 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-02-23 | G991USQU5EWAI | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2023-02-01 | G991USQU5DWA8 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-12-18 | G991USQS5DVL3 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-12-01 | G991USQS5DVK7 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-11-22 | G991USQU5DVK3 | 13 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-09-28 | G991USQS5CVI8 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-09-15 | G991USQS5CVHB | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-09-06 | G991USQU5CVH8 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-08-09 | G991USQS5CVGA | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-07-31 | G991USQU5CVG9 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-06-28 | G991USQU5CVF1 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-05-15 | G991USQU5CVDB | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-04-06 | G991USQS5CVCB | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-03-21 | G991USQU5CVC4 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-02-10 | G991USQS5BVA6 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2022-01-24 | G991USQU5BULJ | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-12-30 | G991USQS4BUKK | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-12-01 | G991USQU4BUKF | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-11-21 | G991USQU4BUK7 | 12 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-10-13 | G991USQS4AUIN | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-09-28 | G991USQU4AUI7 | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-08-24 | G991USQU4AUGQ | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-08-03 | G991USQU4AUGE | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-07-08 | G991USQS4AUFD | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-06-21 | G991USQU4AUF5 | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-05-13 | G991USQU3AUDB | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-04-06 | G991USQU2AUC8 | 11 |
| SM-G991U | USA (Spectrum Mobile) (CHA) | 2021-03-03 | G991USQU2AUB5 | 11 |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2025-09-25 | G991USQSHHYI1 |
| Version | |
| 15 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2025-06-25 | G991USQSGHYF2 |
| Version | |
| 15 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2025-06-04 | G991USQSFHYE2 |
| Version | |
| 15 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2025-04-30 | G991USQUEHYDA |
| Version | |
| 15 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2025-02-26 | G991USQSEGYA5 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2025-01-14 | G991USQSEGXLB |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-12-15 | G991USQSEGXK3 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-11-13 | G991USQSEGXJ4 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-10-16 | G991USQSDGXJ2 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-09-12 | G991USQSCGXH2 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-08-20 | G991USQUCGXGA |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-07-14 | G991USQSCGXF3 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-06-16 | G991USQSBGXF1 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-05-22 | G991USQSBGXE2 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-05-09 | G991USQUAGXDE |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-04-11 | G991USQSAFXD2 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-03-17 | G991USQSAFXBD |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-02-20 | G991USQSAFXAF |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-01-23 | G991USQS9FXA4 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2024-01-08 | G991USQU9FWL6 |
| Version | |
| 14 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-12-18 | G991USQU9EWL2 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-11-14 | G991USQS9EWK2 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-10-08 | G991USQS9EWI8 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-09-27 | G991USQS9EWI7 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-09-10 | G991USQU8EWI5 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-08-16 | G991USQS8EWH1 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-06-29 | G991USQU7EWE5 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-05-03 | G991USQU6EWD3 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-02-23 | G991USQU5EWAI |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2023-02-01 | G991USQU5DWA8 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-12-18 | G991USQS5DVL3 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-12-01 | G991USQS5DVK7 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-11-22 | G991USQU5DVK3 |
| Version | |
| 13 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-09-28 | G991USQS5CVI8 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-09-15 | G991USQS5CVHB |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-09-06 | G991USQU5CVH8 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-08-09 | G991USQS5CVGA |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-07-31 | G991USQU5CVG9 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-06-28 | G991USQU5CVF1 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-05-15 | G991USQU5CVDB |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-04-06 | G991USQS5CVCB |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-03-21 | G991USQU5CVC4 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-02-10 | G991USQS5BVA6 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2022-01-24 | G991USQU5BULJ |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-12-30 | G991USQS4BUKK |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-12-01 | G991USQU4BUKF |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-11-21 | G991USQU4BUK7 |
| Version | |
| 12 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-10-13 | G991USQS4AUIN |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-09-28 | G991USQU4AUI7 |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-08-24 | G991USQU4AUGQ |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-08-03 | G991USQU4AUGE |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-07-08 | G991USQS4AUFD |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-06-21 | G991USQU4AUF5 |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-05-13 | G991USQU3AUDB |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-04-06 | G991USQU2AUC8 |
| Version | |
| 11 | |
| Model | Country/Carrier |
| SM-G991U | USA (Spectrum Mobile) (CHA) |
| Date | PDA |
| 2021-03-03 | G991USQU2AUB5 |
| Version | |
| 11 | |