A merge between https://github.com/OneOfEleven/uv-k5-firmware-custom and https://github.com/fagci/uv-k5-firmware-fagci-mod
APACHE-2.0 License
Bot releases are hidden (Show)
Up to date manual available in a Wiki section.
F
+ 1 BAND
or long press 1 BAND
. These bands are available in BK1080, and not defined by me. The main benefit is that you can set the band that is used in your country and auto scan function won't scan outside of it.Published by egzumer 10 months ago
⭐ Dedicated CHIRP driver available at uvk5-chirp-driver
Up to date manual available in a Wiki section.
Published by egzumer 10 months ago
Up to date manual available in a Wiki section.
Published by egzumer 10 months ago
Up to date manual available in a Wiki section.
Published by egzumer 11 months ago
Up to date manual available in a Wiki section.
5 NOAA
, ScnRng
label should show up* Scan
5 NOAA
or EXIT
, or switch VFOs to exit ScnRng mode2 VFO/MR
switches channel/frequency mode* Scan
starts auto scan* Scan
starts manual scanPublished by egzumer 11 months ago
Up to date manual available in a Wiki section.
EXIT
turns off monitor modePublished by egzumer 11 months ago
RxDCS
and RxCTCS
(not well known function, enter the menu and press * SCAN
)TxEnab
hidden menu removed. Added new option in hidden menu F Lock
, DISABLE ALL
with the same functionality. If you used TxEnab
you will have to set up the new option.Published by egzumer 12 months ago
DEMODU
)SWITCH DEMODUL
)Published by egzumer 12 months ago
BatTyp
. 1600mAh has very different curve, this was causing wrong indications when 2200mAh battery was used.ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 0
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
ENABLE_REDUCE_LOW_MID_TX_POWER:= 0
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 0
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer 12 months ago
VFO/MR
MENU
button now saves frequency/channel scan result (same as PTT
, EXIT
still discards the search and goes back to initial channel/frequency)PTT
or MENU
as stated above)BLMin
, BLMax
. BLMax
is what ON was before, BLMin
is what OFF was.ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 0
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer 12 months ago
MENU
button to 1 BAND
function buttonMENU
button (menu: M Long
)ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 0
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
Reset
moved to the hidden menu.ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
T VFO
and DUALRX
consolidated into one RXMODE
. The functionality is exactly the same, but representation is more clear I think.
MAIN ONLY
- Tx and Rx on the selected upper or lower frequency, no dual watchDUAL RX RESPOND
- monitors both frequencies, if transmission is received on secondary frequency it becomes a Tx frequency for a couple of seconds so you can respond to a callCROSS BAND
- primary frequency always for Tx, secondary always for RxMAIN TX DUAL RX
- Tx always on primary frequency, monitors both frequencies for RxENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 0
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 1
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/83c3c8ce1c5377e0a79ab667608ac6bc44a16a9f (not all of the changes)
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
ENABLE_CLANG := 0
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 0
ENABLE_PWRON_PASSWORD := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 1
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_MORE_SENSITIVE := 1
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/5397b3ee88b1c63b85207f5d0f1f8c3e48c2c758
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
Scan
button while scanning channels)ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_VOX := 1
ENABLE_ALARM := 0
ENABLE_TX1750 := 1
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_MAIN_KEY_HOLD := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 1
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_LOWER := 0
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_COPY_CHAN_TO_VFO := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/a6324ffcf8f68d47e6bae3e83b73c436699f34ea
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
❗❗❗USE k5prog-win FOR UPLOADING❗❗❗
The original Portable Radio Updater incorrectly reports oversized file
ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_ALARM := 1
ENABLE_TX1750 := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_MAIN_KEY_HOLD := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_COMPANDER := 1
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 1
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_LOWER := 0
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/f8aaf47374a3572e7f4da6f2bd249e2547949649
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936
Published by egzumer about 1 year ago
❗❗❗USE k5prog-win FOR UPLOADING❗❗❗
The original Portable Radio Updater incorrectly reports oversized file
BLT RX
menu option (backlight on RX)ENABLE_SWD := 0
ENABLE_OVERLAY := 0
ENABLE_LTO := 1
ENABLE_UART := 1
ENABLE_AIRCOPY := 0
ENABLE_FMRADIO := 1
ENABLE_NOAA := 0
ENABLE_VOICE := 0
ENABLE_ALARM := 1
ENABLE_TX1750 := 0
ENABLE_BIG_FREQ := 1
ENABLE_SMALL_BOLD := 1
ENABLE_KEEP_MEM_NAME := 1
ENABLE_WIDE_RX := 1
ENABLE_TX_WHEN_AM := 0
ENABLE_F_CAL_MENU := 0
ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1
ENABLE_MAIN_KEY_HOLD := 1
ENABLE_BOOT_BEEPS := 0
ENABLE_COMPANDER := 1
ENABLE_SHOW_CHARGE_LEVEL := 1
ENABLE_REVERSE_BAT_SYMBOL := 1
ENABLE_CODE_SCAN_TIMEOUT := 0
ENABLE_AM_FIX := 1
ENABLE_AM_FIX_SHOW_DATA := 0
ENABLE_SQUELCH_LOWER := 0
ENABLE_FASTER_CHANNEL_SCAN := 1
ENABLE_RSSI_BAR := 1
ENABLE_AUDIO_BAR := 1
ENABLE_SPECTRUM := 1
This firmware was built with a new experimental option that reduces size of compiled firmware but might break EEPROM reads.
https://github.com/OneOfEleven/uv-k5-firmware-custom/tree/f8aaf47374a3572e7f4da6f2bd249e2547949649
https://github.com/fagci/uv-k5-firmware-fagci-mod/tree/ffe1573a4b6726a9d870f30d8ef567189c95c936