Which PC suite software is the best for my mobile phone 6010D?
The PC Suite that you need to download is actually called OneTouchManager and it's available on the official website in the Support section. You can use the link posted below to download the installation package.
Download page: http://alcatelonetouch.com/global-en/products/smartphones/one_touch_star.html#.VoDiD_l96Uk
Download the package, disconnect the phone from PC, install it, connect the phone, accept the warning regarding driver's installation and that's it.
