I have Huwawei E303 HSPA Dongal and it has already provided software for Linux.But I cant install it.

This is Dongal
https://lh3.googleusercontent.com/-fIdfg85yv1M/UdciqwwTdnI/AAAAAAAAAX0/Q7ObEgg4hkQ/s588-no/Screenshot+from+2013-07-06+01%253A06%253A08.png

I have very few knowledge about Ubuntu.I tried in terminal as fallowing.

root@nandika-OEM:~# su

root@nandika-OEM:/home/nandika# 

root@nandika-OEM:/home/nandika# /media/nandika/Mobitel/Linux/install

bash: /media/nandika/Mobitel/Linux/install: Permission denied



root@nandika-OEM:/home/nandika# dash /media/nandika/Mobitel/Linux/install

/media/nandika/Mobitel/Linux/install: 43: /media/nandika/Mobitel/Linux/install: LANGUAGESTRING[0]=zh: not found



/media/nandika/Mobitel/Linux/install: 44: /media/nandika/Mobitel/Linux/install: LANGUAGESTRING[1]=en_US: not found



/media/nandika/Mobitel/Linux/install: 45: /media/nandika/Mobitel/Linux/install: LANGUAGECODE[0]=0: not found



/media/nandika/Mobitel/Linux/install: 46: /media/nandika/Mobitel/Linux/install: LANGUAGECODE[1]=1: not found



/media/nandika/Mobitel/Linux/install: 49: /media/nandika/Mobitel/Linux/install: Bad substitution

root@nandika-OEM:/home/nandika#

Help to install.I cant get call,SMS without this.
But I Can connect internet.