How can I connect XBEE to a smartphone using BLE

XBee & XBee Gateway XBee - Zigbee
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1

I want to connect smartphone and XBEE with BLE.
But SRP protocol is too difficult to understand.
Is there a way to easily authenticate with SRP?
Digi’s official smartphone app can connect, so there should be some way to do it

2

Digi’s mobile app connect with XBee3 mobiles using GATT services as described here:
https://www.digi.com/resources/documentation/digidocs/90001539/#reference/r_ble_behavior_services_xbee_api_ble.htm

3

Do you have the answer to this problem? Can I consult the results?