Extract Huawei B525s-23a firmware 11.236.01.00.07 on your computer
Install the firmware update file for Huawei B525s-23a downloaded from Huaweiflashfiles.com
Follow the procedure for updating firmware that is given in Package.

Huawei Flash File | Size: 84.9 Mo
Version: 11.236.01.00.07
Operator: Telia Sweden
Operating systems: Windows 7/8/10/XP/Vista
Huawei B525s-23a Firmware Download