Hello! i am still having the problem, just bought the Huawei W1 5 days ago, when i update to 8.1 it gives the same error code while installing and it can't update to 8.1.
The windows phone twitter account send me to this page to reply for help.
Here is the information:
Name: Windows Phone
Model: HUAWEI W1-U00
Firmware Windows * Phone 8.0.10211.204
Screen resolution: 480x800
Country: Netherlands
Provider (simlock): Vodafone Prepaid
CHIP-SOC-Version: 8230
Revision number hardware: HD1U8835M Ver.B
IMEI: 868624011883277
I hope you can help me, would love to upgrade a friend of my already upgraded and 8.1 is way better!
Thanks!