Extract Huawei B618s-22d firmware 11.189.00.00.154 on your computer
Install the firmware update file for Huawei B618s-22d downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Huawei Flash File | Size: 40.9 Mo
Version: 11.189.00.00.154
Operator: Sunrise Switzerland
Operating systems: Windows 7/8/10/XP/Vista
Huawei B618s-22d Firmware Download