iPad cant find OTA update beta4 for ipad mini

help.. i have ipad mini ios 7 beta 2. when i go to software update, i cant find ios beta 4 for download or installing. why?
maybe i must update to beta 3 and go to beta 4?
from beta 2 to beta 4 not work?


now in my ipad mini "software is up to date" but ipad mini running ios 7 beta 2.

petvas said:

You have to go to beta 3 first, or download the ipsw file from the developer portal and use iTunes to update.

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Ohh okok. Thank u petvas. Now i downloading ipsw beta 4.