The iOS 9.3.5 jailbreak can now be installed on all 32-bit devices, a special thanks goes out to all the hardworking individuals behind it. The process in semi-untethered in nature, which means the jailbreak app will have to be re-run once the device reboots itself back to its original state.
How to jailbreak iOS 9.3.5
Here's a step-by-step guide on how to jailbreak iOS 9.3.5 on 32-bit devices using the Phoenix jailbreak app:
Step 1: Download the Phoenix jailbreak IPA for iOS 9.3.5. Download link here.
Step 2: Download the Cydia Impactor tool either for Mac or Windows.
Step 3: On your iPhone, iPod touch or iPad, disable the Find my iPhone and your Passcode. Activate them again after the jailbreak, if you want.
Step 4: Connect your iPhone, iPod touch or iPad to your computer where the Cydia Impactor tool was downloaded.
Step 5: Open Cydia Impactor.
Step 6: Copy the Phoenix IPA file and paste it into Cydia Impactor.
Step 7: Input your Apple ID and password.
Step 8: Cydia Impactor will side load the Phoenix jailbreak app to your device. Once the Home screen opens, that means the side loading is done.
Step 9: Do not be surprised if Phoenix will not run. That means have restricted permission for such activity. Change it accordingly by going to Settings > General > Device Management > Trust the Certificate.
Step 10: Go to your Home screen, then run the Phoenix jailbreak app once again.
Step 11: Choose Prepare for Jailbreak to start the jailbreak process.
Step 12: Wait for your device to reboot and complete the entire process. Once the jailbreak process is finished, the Cydia icon should now be on your Home screen.
Reminders
Make sure to put the device into jailbroken state after each reboot. To do this, launch the Phoenix jailbreak app and select Kickstart Jailbreak.
Once the Phoenix jailbreak app certificate expires, you will have to repeat the whole process again starting from the side loading of the Phoenix jailbreak app into your device.
You can now begin installing your favourite tweaks and features with Apple restrictions.