Now close the dashboard/software of your modem.Now run the Unlock and Flash code generator software and through Huawei tab generate the unlock code and flash code for your IMEI.Here is a step by step guide on how to the installation of a downloaded huawei firmware update file :. Download Huawei E303 Firmware Update.21.157.31.00.850ĭownloaded Zip/Rar files extract in a folder using unzip/Winrar software, and procedure as mentioned in the specific post.
