Windows Phone 8.1 Update 2 ανακοινώθηκε για πρώτη φορά τον Μάρτιο στο MWC 2015 στη Βαρκελώνη και σύντομα μετά από την ανακοίνωση, η Microsoft δήλωσε ότι η ενημέρωση θα είναι διαθέσιμη μόνο για τα νέα μοντέλα mobile phones, such as the Lumia 640 and the Lumia 640 XL. 
Last weekteam, however, rumors starting to circulate online suggested that more phones could receive GDR2 in the coming months as Microsoft prepares the way for Windows 10.
So it seems that Windows Phone 8.1 Update 2 has arrived much earlier than expected, as with the release of Windows 10 for Phones preview build 10051 η company started to have this updated version on more phones.
Details of which models can receive this update are not yet available but Microsoft has confirmed that Windows Phone 8.1 Update 2 is required if you want to obtain Windows 10 for Phones build 10051.
At this time, it seems that too many mobile devices can receive the update, such as Lumia 830 and 930, despite the fact that the latter has not been announced.
Microsoft does not provide any direct update method to download it Windows Phone Update 8.1 2. But you can download it with a simple trick if the update is indeed available for the device you.
The Windows Insider app is the app that will give you access to GDR2. Just download it, and select the “Fast” channel when prompted and check for them updates that you can receive.
After installation του Update 2 μπορεί να σας ζητηθεί να εγκαταστήσετε τα Windows 10 for Phones build 10051. Βεβαιωθείτε ότι δεν θα αποδεχτείτε την αίτηση, όταν σας ζητηθεί να εγκαταστήσετε την technique preview if you don't want it.
Download it Windows Insider app on your device
