Astro Warna is now available in HD with effective of 11 May 2017 on Astro channel 124. Astro Warna HD will be available for free to all Astro subscribers from 11 May until 17 May 2017.
All Astro customers (except Family Lite dan NJOI) able to enjoy free channels preview in all channels in Mustika pack from 17 until 23 February 2017, which consists of Astro Warna, Astro Citra, Astro Bella & Astro Mustika HD.
Do note that Astro B.yond box is required to watch Astro Mustika HD.
Source: Astro 
From 1 Sept 2016, customers can now enjoy Astro Arena in HD permanently, as well as Astro SuperSport 4 HD. The channel number are 802 and 836 respectively. Prior to this, Astro Arena HD is only available as a temporary HD version of Astro Arena channel on selected major sports events only, while Astro SuperSport 4 is available only in SD quality (4:3 aspect ratio).
NOTE: Effective 1 Oct 2018, the "Subscribe/Upgrade Astro services" form are no longer accepting further submissions.