Wireguard, pls explain ( 2 WANS )

RouterOS General
1

Hello,
Could someone help me please understand why this is happenning.
I have two wans on router,
i created wireguard server
configured android phone

and then whats happening:
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how to force wireguard to respond with the same address to witch he gets connection from . Tried src-nat in response but no luck.
Help me please ?

2

Provide phone settings
Provide router settings

In both cases hide any public IPs, keys

/export file=anynameyouwish ( minus router serial number, public WANIP info, keys, long dchp lease lists )