please i need huawei e5577s-321 firmware
Found modem : E5577s-321
Model : Huawei AuthVer 4 modem (New)
IMEI : 86078203xxxxxx
Serial NR. : F5DDW17B28xxxxx
Firmware : 21.328.62.00.429
Dashboard version : WEBUI_17.100.19.00.429_MRE5
Web UI version : WEBUI_17.100.19.00.429_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 10 (unlock attempts left : 0)

I want to unlock my device. Because I want to use several SIM cards in different countries.

Kind regards
Dieter Küchenmeister