Well, if this is your case do not worry, because the 25PP, a team of hackers who are behind with Pangu jailbreak, has confirmed that soon will be compatible with 32 - bit devices.
32bit devices will support the next tool
19:57 - 24 jul 2016
Thus, my recommendation is not actualize unless you meet in a higher iOS 9.1 version, especially knowing that Apple probably will not launch any new iOS update in September.
Moreover, they have also confirmed that the Mac version will come this week, so all that you can not access a PC with Windows just have to wait a few days to be published.
Mac tool in This week Pangu+pp jailbreak.
22:11 - 24 jul 2016
We remain vigilant to inform any developments that may occur during the next few hours.