Hi Guys,
[please help me unlock my Huawei E1820 modem. I seem to be getting an error

My IMEI is 358133030387242
using the Universal master code generates the info below

HWCALC V2.0
IMEI: 358133030387242

Entsperren / Unlock: 42812763
Flashen / Flash: 46627909

(c) SERGEY/MKL 2010

when inputting to the code write it generates this error
Found Phone, Phone Info:
- Manufacturer    :huawei
- Model        :E1820
- Revision    :11.831.03.00.94
- Phone IMEI    :358133030387242

Send Unlock Command... ERROR
tafadhali saidia