Difference between Insider slow, fast and release preview?

[ErJaspreetSingh]

difference between Insider slow, fast and release preview

what is difference between Insider slow, fast and release preview?

which one should I choose for my one n only primary phone?

 

[Maurizio Troso]

Re: difference between Insider slow, fast and release preview

what is difference between Insider slow, fast and release preview?

which one should I choose for my one n only primary phone?

Fast is for Windows10 born phone for testing Redstone build; Slow and Release are for all the others (now 10586.164 build).

Use release