BTECH UV-50PRO firmware v0.8.12

New Signaling format selector in Signaling Settings (choose BSS or APRS). Custom Location override for cases without GPS or when a fixed position is preferred.

Improvements

• BK4819 RF driver hardening: added host-write error detection and automatic recovery on PLL loss-of-lock.
• Refined display communication validation to reduce false “Communication Error” reports.

Fixes

• APRS Mic-E: default icon set now applies when no icon is configured in the app, preventing malformed/incorrect packets.
• Audio Relay: resolved occasional silent transmit due to audio re-sampling.
• Network channel binding status now displays correctly.

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