| Source | Example File Name | Notes | |--------|------------------|-------| | Huawei Firmware Database | B310s-925_UPDATE_21.328.01.00.00.BIN | Search for "unlocked" or "generic" | | 4pda.to forum (Russian, use translator) | B310s-925_Dialog_UNLOCKED.bin | User-uploaded, need registration | | DcUnlocker support files | – | Paid but verified |