: Dial *#06# on your phone or check the label under the battery of your modem/router.
: This version is highly effective for 3G devices (near 100% success), though it may not support all newer 4G or 5G hardware, which often require 16-digit codes. Implementation and Availability huawei unlock code calculator v3 download updated
Professional GSM technicians use boxes like Octopus Box, HCU Client, or SigmaKey to unlock Huawei phones via a direct USB connection. This method works where code generation fails, especially on newer HiSilicon Kirin chipsets. : Dial *#06# on your phone or check