Hi guys, I have one problem regarding the connection. I used an app to connect my ble sensor but seems failed. I used a sniffer to sniff it to see what happened and I found out the master sent the LL_CONNECTION_UPDATE_REQ but my sensor seems didn't response to it. When the master requesting something, the slave should response right but seems my slave isn't response to the message that my master sent to it. And I found out the feature set listed in LL_FEATURE_RSP of my slave are not used. Some phone can connect to the sensor but most of them can't, what wrong?
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