Why has my Lumia 521 started to download a new update?

[grdguez01]

Lumia 521 downloading a new update!!!

So my Lumia 521 just started downloading an update, I'm on developer preview and had the latest OS update so I curious to see what's this new update about. Anyone here receiving new updates????

 

[Dusan Randj]

Re: Lumia 521 downloading a new update!!!

Report OS, firware version after update. MetroPCS Lumia 521 started getting Cyan, maybe that?

 

[rc521]

Re: Lumia 521 downloading a new update!!!

I just checked for updates on my T-mobile 521 ( WP8.0 Lumia Black ) and it found no updates, not even WP8.1 or Cyan.