Ok then try sending those 5 sats back. Phoenix and Breez are charging that fee for a reason: LN can't work without channels. In order to have a channel you need to pay an opening fee.
The only one wallet app that really do not charge an opening fee is SBW, that is using hosted channels, and also using immortan LN implementation.
SBW > Muun (much better several times more)
SBW seems to have liquidity issues recently. My payments are not going through for some reason :(
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So you are using SBW only with hosted channels. Use it with your own channels.
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