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Latest recommended config:


"BluetoothSPP": {
  "On": true,
  "Filter": "",
  "PIN": "",
  "UseDeviceMajor": false,
  "UnpairAll": false,
  "DiscoveryOn": false,
  "BarcodeType": "FNC3",
  "ShowUnpairBarcode": false,
  "ScannerType": 111,
  "TerminatorWait": 0,
  "Terminators": ""


"Bluetooth": {
  "OnAtStart": true,
  "OffAtExit": false,
  "KeepPairingOnExit": true,
  "KeepPairingOnStartup": true

Tested successfully on:

Android Oreo (8.x)
Manufacturer Device Android Version Date Tnx version Recommended Config


Android Nougat (7.x) – No more tested on this version
Manufacturer Device Android Version Date Tnx version Config deviation / Notes
Zebra ET50 6.1.0 23/03/20 Emulator
BT Pairing
Vxt Engine
Vxt Calibrate
"UnpairAll": false,
"ScannerType": 111,
  • Build number 03-21-20.00-MN-U04-STD
  • The first time the scanners are paired, it is necessary to read the pairing barcode twice.
  • Scanner reconnected by clicking the Restore Key
  • Voice -> still not tested with the latest version



  • Use the Filter parameter as much as you can. It will be easier to establish the connection between devices.
  • The Bluetooth headsets don’t work properly on this ET50 device with Android Marshmallow (v6.0-6.1.1), but do work with Android Lollipop versions (v5.0-5.1.1)


Scanner Type 111:

  • The use of ScannerType: 111 for Zebra devices requires the BT Pairing service at Android Accessibility menu option to be activated. In addition, it is convenient to use UnpairAll: false, to avoid having to scan multiple times to connect the scanner. UnPairAll: true could be more problemathic when you stablish the connection between the device and the scanner.
  • Before using the scanner, please, scan the SPP mode and the Non-AutoReconnect barcodes: