It is very simple to do and you require no special skills to do this.
The important among is the bin file.
Your Alcatel Y855V Mifi.
A USB Cable
A computer * recommended
Get your bin file from Here and extract it to a location you will remember.
Contact +233246229019 or firstname.lastname@example.org via mail.
And i will give you the files password. Some small donation token may be of help
Power your Mifi on.
Connect your Mifi to the computer via the USB Cable
Open the web UI dashboard in any browser 192.168.1.1 / 192.168.0.1
Login to the dashboard with the default details.
Go to settings > system > At the Reboot/Reset/Backup/Restore/Check for Update you should see Choose File
Click on Choose File
Locate where you kept the file and upload it.
Click on the Restore button.
After all these, your default password to the dashboard will change. I will give that to you when you contact KobicityTF.
Done. your device is now good to go. It can support all Network with any strength worldwide.