You can check the version
Settings > About phone > Build number
You should find this no 8901.3.A0107.20210513
The 0107 is the key the last part is the date 2021 05 13 it was issued
You can check the version
Settings > About phone > Build number
You should find this no 8901.3.A0107.20210513
The 0107 is the key the last part is the date 2021 05 13 it was issued