Sign into that modern device using the linked to your iOS 9.3.5 device.
Some reports indicate periodic errors connecting to the Apple ID server or the App Store entirely. App Crashes: appstore ios 9.3.5
Several third-party web platforms host archived IPA files tailored for iOS 9 systems. Sign into that modern device using the linked to your iOS 9
iOS 9.3.5 is the final security-patched release for older 32-bit iPhones and iPads that cannot upgrade to modern iOS versions. If you’re still using a device on 9.3.5, the App Store experience has practical limits and a few useful workarounds. This review explains what to expect and how to get the most from the App Store on iOS 9.3.5. appstore ios 9.3.5