Sigma Pack 5 Activation allows you to Use Huawei secure data (certificate) files made by other Sigma smart cards Huawei certificate files are intended for working with IMEI codes of Huawei phones. Restore your phone s IMEI Share your Huawei certificate files / Use shared Huawei certificate files Read firmware from device Save the firmware from device with rare version/localization Read firmware from one phone and write it to the other one Users may share the firmware After successful transaction we will send your activation code on your email address within 1 - 24 hours