diff --git a/platformio_orig.ini b/platformio_orig.ini
index 80087854..4dd2263d 100644
--- a/platformio_orig.ini
+++ b/platformio_orig.ini
@@ -46,7 +46,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 2.0.16
+release_version = 2.0.17
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 3
diff --git a/src/configmanager.cpp b/src/configmanager.cpp
index d75bc8bd..51ccae59 100644
--- a/src/configmanager.cpp
+++ b/src/configmanager.cpp
@@ -24,7 +24,8 @@ static uint8_t buffer[cfgLen + cfgLen2];
 //
 // configuration frame structure in NVRAM;
 // 1. version header [10 bytes, containing version string]
-// 2. user settings [cfgLen bytes, containing default runtime settings (configData_t cfg)]
+// 2. user settings [cfgLen bytes, containing default runtime settings
+// (configData_t cfg)]
 // 3. magicByte [cfgLen2 bytes, containing a fixed identifier]
 
 static void defaultConfig(configData_t *myconfig) {
@@ -61,9 +62,7 @@ static void defaultConfig(configData_t *myconfig) {
 
 // migrate runtime configuration from earlier to current version
 static void migrateConfig(void) {
-  // currently no migration rules are implemented, we just reset config to
-  // factory settings
-  eraseConfig();
+  // currently no configuration migration rules are implemented
 }
 
 // save current configuration from RAM to NVRAM
diff --git a/src/platformio_orig.ini b/src/platformio_orig.ini
new file mode 100644
index 00000000..80087854
--- /dev/null
+++ b/src/platformio_orig.ini
@@ -0,0 +1,135 @@
+; PlatformIO Project Configuration File
+; NOTE: PlatformIO v4 is needed!
+;
+; Please visit documentation for the other options and examples
+; http://docs.platformio.org/page/projectconf.html
+
+
+; ---> SELECT THE TARGET PLATFORM HERE! <---
+[board]
+halfile = generic.h
+;halfile = ebox.h
+;halfile = eboxtube.h
+;halfile = ecopower.h
+;halfile = heltec.h
+;halfile = heltecv2.h
+;halfile = ttgov1.h
+;halfile = ttgov2.h
+;halfile = ttgov21old.h
+;halfile = ttgov21new.h
+;halfile = ttgofox.h
+;halfile = ttgobeam.h
+;halfile = ttgobeam10.h
+;halfile = fipy.h
+;halfile = lopy.h
+;halfile = lopy4.h
+;halfile = lolin32litelora.h
+;halfile = lolin32lora.h
+;halfile = lolin32lite.h
+;halfile = wemos32oled.h
+;halfile = wemos32matrix.h
+;halfile = octopus32.h
+;halfile = tinypico.h
+;halfile = tinypicomatrix.h
+;halfile = m5core.h
+;halfile = m5fire.h
+;halfile = olimexpoeiso.h
+
+[platformio]
+; upload firmware to board with usb cable
+default_envs = usb
+; upload firmware to a jfrog bintray repository
+;default_envs = ota
+; use latest versions of libraries
+;default_envs = dev
+description = Paxcounter is a device for metering passenger flows in realtime. It counts how many mobile devices are around.
+
+[common]
+; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
+release_version = 2.0.16
+; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
+; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
+debug_level = 3
+extra_scripts = pre:build.py
+otakeyfile = ota.conf
+lorakeyfile = loraconf.h
+lmicconfigfile = lmic_config.h
+platform_espressif32 = espressif32@2.0.0
+monitor_speed = 115200
+upload_speed = 115200 ; set by build.py and taken from hal file
+display_library = ; set by build.py and taken from hal file
+lib_deps_lora =
+    mcci-catena/MCCI LoRaWAN LMIC library @ ^3.2.0
+lib_deps_display =
+    bitbank2/OneBitDisplay @ 1.7.2
+    ricmoo/QRCode @ ^0.0.1
+    bodmer/TFT_eSPI @ ^2.2.20
+lib_deps_ledmatrix =
+    seeed-studio/Ultrathin_LED_Matrix @ ^1.0.0
+lib_deps_rgbled =
+    roboticsbrno/SmartLeds @ ^1.2.1
+lib_deps_gps =
+    mikalhart/TinyGPSPlus @ ^1.0.2
+lib_deps_sensors =
+    adafruit/Adafruit Unified Sensor @ ^1.1.4
+    adafruit/Adafruit BME280 Library @ ^2.1.1
+    adafruit/Adafruit BMP085 Library @ ^1.1.0
+    boschsensortec/BSEC Software Library @ 1.5.1474
+    https://github.com/ricki-z/SDS011.git
+lib_deps_basic =
+    bblanchon/ArduinoJson @ <6
+    jchristensen/Timezone @ ^1.2.4
+    makuna/RTC @ ^2.3.5
+    spacehuhn/SimpleButton 
+    lewisxhe/AXP202X_Library @ ^1.1.2
+    geeksville/esp32-micro-sdcard @ ^0.1.1
+    256dpi/MQTT @ ^2.4.7
+lib_deps_all =
+    ${common.lib_deps_basic}
+    ${common.lib_deps_lora}
+    ${common.lib_deps_display}
+    ${common.lib_deps_rgbled}
+    ${common.lib_deps_gps}
+    ${common.lib_deps_sensors}
+    ${common.lib_deps_ledmatrix}
+build_flags_basic =
+    -include "src/hal/${board.halfile}"
+    -include "src/paxcounter.conf"
+    -w
+    '-DCORE_DEBUG_LEVEL=${common.debug_level}'
+    '-DLOG_LOCAL_LEVEL=${common.debug_level}'
+    '-DPROGVERSION="${common.release_version}"'
+build_flags_sensors =
+    -Llib/Bosch-BSEC/src/esp32/
+    -lalgobsec
+build_flags_all =
+    ${common.build_flags_basic}
+    ${common.build_flags_sensors}
+    -mfix-esp32-psram-cache-issue
+
+[env]
+lib_ldf_mode = deep ; #632 Fixes compiler error with OneBitDisplay library
+framework = arduino
+board = esp32dev
+board_build.partitions = min_spiffs.csv
+upload_speed = ${common.upload_speed}
+;upload_port = COM8
+platform = ${common.platform_espressif32}
+lib_deps = ${common.lib_deps_all}
+build_flags = ${common.build_flags_all}
+upload_protocol = ${common.upload_protocol}
+extra_scripts = ${common.extra_scripts}
+monitor_speed = ${common.monitor_speed}
+monitor_filters = time, esp32_exception_decoder, default
+
+[env:ota]
+upload_protocol = custom
+
+[env:usb]
+upload_protocol = esptool
+
+[env:dev]
+upload_protocol = esptool
+build_type = debug
+platform = https://github.com/platformio/platform-espressif32.git#develop
+platform_packages = framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git