I make this because my ZTE AC 2726 modem always give me trouble. I cannot using it on my Ubuntu 11.10. On Network manager i always get network disconnect. So i decide to using wvdial to manage my connection via ZTE AC 2726.
Method 1 From canonical partners repository Go to Ubuntu Software Center then choose edit then click Software sources now you need to click on other software then select canonical partners,canonical partners (Source code) click ok. Then Now this will ask for source list update after this you can install the following packages from your command [...]