# Configuration
VALTRACK-V4-VTS-ESP32-C3 can be configured using Bluetooth. An android application is made available on play store called VALTRACK-V4E-SETUP, which can be used to write and read the device parameters from the flash memory of ESP32-C3.\
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Procedure is very simple.
[Click here to Download the app](https://play.google.com/store/apps/details?id=com.valetron.valtrackv4e\&hl=en_IN\&gl=US)
* Turn on Bluetooth and Location
* Open the VALTRACK-V4E-SETUP app.
* Turn on the device
* Scan for devices and select CONNECT button infront of VALTRACK-V4-XX device name
* Once connected, press on SYNC button to read the services **(This is important)**
* MTU will change to 256
* Select the parameter name from Dropdown
* Press READ button to read the parameter, the read value will be displayed in the text box below and in the edit box above the button
* Enter the value to be written to the parameter in edit box and press write
* There is a clear button given for clearing edit box if it text becomes too big.
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