register with http://www.zyb.com/
No need to give a penny to your mobile networks to save your contacts or any other site while you can have it free of cost and in more reliable way.
I am using it for more than a year. It’s getting really useful and interactive more and more. Regularly updates.
- Online synchronizing of your contacts and calendar entries free of cost.
- Extended methods to manage your contacts.
- Impressive UI.
Only you need a SyncML supported phone and an internet connectivity on it.
Check if your phone is good for it. http://zyb.com/info/help/phones
Other suggestions will be nice for users.