If you are HTC smartphone user, then there is a good and bad news for you. The good news is that HTC is updating its cloud backup service and revamping HTCSense.com. And the bad news is that the site will shut down completely on April 30 and it is anybody's guess when it will come online again.

HTC Sense is used to backup important user data like contacts, call history, text messages, calendar data, etc. The backup service will be unavailable after April 30 and HTC will delete all the customer data from its servers. HTC has urged users to download their data from the web site. Download is available as a single compressed file.

Features previously available on HTCSense.com are no longer available. If you have been using HTCSense.com to sync your Contacts, Messages, Footprints or Call History, you can download your data through April 30, 2012, states HTC in an official note on HTC Sense Web site.

HTC has not revealed yet what changes it will be making while the Web site will be down. Last year, HTC acquired mobile backup services developer Dashwire, so some new tweaks and increased free storage limit is being expected. Also, HTC offers 25GB of free Dropbox storage to its One X smartphone owners. So, some new surprising updates are for sure. But, the way HTC is doing it is objectionable. HTC could have avoided bothering the users. It should have developed a new cloud service and moved user data to it, instead of deleting everything and leaving its valuable users afloat. It is unlikely that users will look at HTC with same trust as before.

Also there is no firm date when the backup service will open again. Just we know that the Taiwanese company is revamping its cloud backup Web site and its current serviced will be down for unknown time.

(reported by Johnny Wills, edited by Surojit Chatterjee)