diff --git a/variants/heltec_v4/platformio.ini b/variants/heltec_v4/platformio.ini
index 5acc3f62..34f5e84a 100644
--- a/variants/heltec_v4/platformio.ini
+++ b/variants/heltec_v4/platformio.ini
@@ -165,15 +165,19 @@ extends = heltec_v4_oled
 build_flags =
   ${heltec_v4_oled.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=350
+  -D MAX_CONTACTS=2000
   -D MAX_GROUP_CHANNELS=40
   -D DISPLAY_CLASS=SSD1306Display
   -D BLE_PIN_CODE=123456   ; dynamic, random PIN
   -D AUTO_SHUTDOWN_MILLIVOLTS=3400
   -D BLE_DEBUG_LOGGING=1
   -D OFFLINE_QUEUE_SIZE=256
+  -D BOARD_HAS_PSRAM=1
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
+  -D GPS_BAUDRATE=38400
+  -D GPS_EN_ACTIVE=PIN_GPS_EN_ACTIVE
+  -D SDCARD_CS=-1
 build_src_filter = ${heltec_v4_oled.build_src_filter}
   +<helpers/ui/SSD1306Display.cpp>
   +<helpers/ui/MomentaryButton.cpp>
@@ -184,17 +188,47 @@ lib_deps =
   ${heltec_v4_oled.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
+; ---------------------------------------------------------------------------
+; Heltec V4 BLE Companion — HEADLESS (no display)
+; Pure BLE-to-phone bridge, no OLED. Ideal for V4 boards without screens.
+; ---------------------------------------------------------------------------
+[env:heltec_v4_companion_radio_ble_headless]
+extends = Heltec_lora32_v4
+build_flags =
+  ${Heltec_lora32_v4.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=2000
+  -D MAX_GROUP_CHANNELS=40
+  -D BLE_PIN_CODE=123456
+  -D AUTO_SHUTDOWN_MILLIVOLTS=3400
+  -D BLE_DEBUG_LOGGING=1
+  -D OFFLINE_QUEUE_SIZE=256
+  -D BOARD_HAS_PSRAM=1
+  -D GPS_BAUDRATE=38400
+  -D GPS_EN_ACTIVE=PIN_GPS_EN_ACTIVE
+  -D SDCARD_CS=-1
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${Heltec_lora32_v4.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${Heltec_lora32_v4.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
 [env:heltec_v4_companion_radio_wifi]
 extends = heltec_v4_oled
 build_flags =
   ${heltec_v4_oled.build_flags}
   -I examples/companion_radio/ui-new
-  -D MAX_CONTACTS=350
+  -D MAX_CONTACTS=2000
   -D MAX_GROUP_CHANNELS=40
   -D DISPLAY_CLASS=SSD1306Display
   -D WIFI_DEBUG_LOGGING=1
   -D WIFI_SSID='"myssid"'
   -D WIFI_PWD='"mypwd"'
+  -D BOARD_HAS_PSRAM=1
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 build_src_filter = ${heltec_v4_oled.build_src_filter}
@@ -218,6 +252,7 @@ lib_deps =
 ; ---------------------------------------------------------------------------
 [env:meck_wifi_repeater_heltec_v4]
 extends = heltec_v4_oled
+upload_port = /dev/cu.usbmodem101
 build_src_filter = ${heltec_v4_oled.build_src_filter}
   +<helpers/esp32/*.cpp>
   -<helpers/esp32/SerialBLEInterface.cpp>
@@ -279,12 +314,14 @@ board_build.filesystem = spiffs
 ; ---------------------------------------------------------------------------
 [env:meck_wifi_repeater_heltec_v4_headless]
 extends = Heltec_lora32_v4
+upload_port = /dev/cu.usbmodem101
 build_src_filter = ${Heltec_lora32_v4.build_src_filter}
   +<helpers/esp32/*.cpp>
   -<helpers/esp32/SerialBLEInterface.cpp>
   +<../examples/simple_repeater/*.cpp>
 build_flags =
   ${Heltec_lora32_v4.build_flags}
+  -D ESP32_CPU_FREQ=240
   -D FIRMWARE_VERSION='"Meck HV4 WiFi Rptr v0.1"'
   -D FIRMWARE_BUILD_DATE='"5 Apr 2026"'
   -D ADVERT_NAME='"Heltec Repeater"'