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Maintenance Update
Note
This interim Release is intended to provide an update of firmware binary for a certain SoftRF Edition only:
Users of other SoftRF Editions should continue to operate with Release 1.9
Major improvement
An upgrade of Prime Mk.II sub-1GHz radio 
with the most recent Semtech LR2021 chip 
Tip
The LilyGO T-LR2021 modules ( p/n H809-A ) pictured below have been delivered from LilyGO Store
Schematics: https://github.com/Xinyuan-LilyGO/T-Display-P4/blob/main/project/LR2021_868_915_V1.0.pdf
The upgrade for Prime Edition Mark II uses Semtech LR2021 radio that can receive ADS-B ES @ 1090 MHz
Known issues
- same that previous Release 1.9 has.
Binary downloads and flashing instructions
Firmware binaries of the Maintenance Update have been released for certain platforms / SoftRF Editions only:
- ESP32 ( Prime Mk.II
)
Users of other SoftRF platforms should either
- build the Maintenance Update firmware from source by themselves or
- wait until next official Release.