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Is it possible to cache attributes without pairing/bonding?

I'm looking for a way to speed up connecting to a peripheral (IOS or Android device, nrf52 is central). I understood that caching data to avoid needing the discovery phase is key here. Unfortunately, I cannot pair/bond devices as the connection needs to work in background on IOS devices. So my question is: is it possible to cache peripheral discovery data without pairing/bonding to avoid the peripheral discovery process after the first connection?

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