No, personal information such as mobile numbers are kept private by Twitter.
It depends if you are using an app or not on your mobile. If you are simply using 'Twitter Mobile' then avatars aren't supported and won't appear. Most apps have this function though and your avatar should be visible.
You can access Twitter on any mobile device through Twitter Mobile or Mobile Internet.
You can access Twitter through Mobile Twitter or Mobile Internet.
You can use Twitter Mobile or Mobile Internet.
This isn't possible.
On your Twitter account, go to settings then to mobile. You follow the instructions and type in your phone number. You should receive a text verifying your number. After that, you can text your updates to 40404 (Twitter) and it will show up online.
Yes you can use Twitter Mobile.
You can use mobile internet to access Twitter.
You have to have Twitter mobile enabled.
No, the only thing that will happen is that certain tweets will be sent to you as a text.
Unless you have a mobile phone plan that supports Twitter, then yes, Twitter will charge you money.
You can use your mobile internet to access Twitter.