HUAWEI E5573s-856 ALL NETWORKS UNLOCK AND NO SERVICE FIX
SUPPORTED VERSIONS
21.328.62.00.1133
21.328.63.......1133
21.333............1133
METHOD :
Install Huawei drivers. Run the file and enter exe password. Connect the deive to the PC/LAPTOP.
Open the DC Unlocker, click on the search button and wait for some time until you see the device software information on DC unlocker. Now enter the AT^GODLOAD command, your device will go into download mode, then run the unlock file and let it complete. As soon as the file is complete, the device will turn on. Now you repair the security and after that run th AT^INFORBU and then run the AT^RESET command. Your device will restart and turn on normally.
Now you can use any SIM card.