Microsoft is planning to start rolling out its Windows 10 Mobile Creators Update on April 25th, but not many handsets will actually receive it. ZDNet reports that a small subset of Windows phones will receive the update.ZDNet has published a list of the 13 devices that are expected to receive the Windows 10 Mobile Creators Update:
Alcatel IDOL 4S
Alcatel OneTouch Fierce XL
HP Elite x3
Lenovo Softbank 503LV
MCJ Madosma Q601
Microsoft Lumia 550
Microsoft Lumia 640 / 640XL
Microsoft Lumia 650
Microsoft Lumia 950 / 950 XL
Trinity NuAns Neo
Microsoft hasn’t officially revealed its update list, but the company explained to ZDNet that not all devices will be upgraded to Windows 10 Mobile Creators Update. 

Minimum Hardware Specs for Windows 10 Mobile **Creators Update. **

Microsoft  has updated the list of supported SOC’s for Windows 10 Mobile. The devices which sport the following SOC’s can update to Windows 10 Mobile Creators update -810, 808, 801, 800, 617, 410, 400, 210, 200, S4 Plus.