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Latest recommended config:


"BluetoothSPP": {
  "On": true,
  "Filter": "RS507",
  "PIN": "",
  "UseDeviceMajor": false,
  "UnpairAll": false,
  "DiscoveryOn": false,
  "BarcodeType": "FNC3",
  "ShowUnpairBarcode": false,
  "ScannerType": 2,
  "TerminatorWait": 0,
  "Terminators": ""


Tested successfully on:

Android Oreo (8.x)
Manufacturer Device Android Version Date Tnx version Recommended Config
Zebra TC51 8.1.0 24/07/19

BT Pairing
Vxt Engine
Vxt Calibrate

"ScannerType": 2,

– The test is old, we recommend using Scanner Type 111 (not tested)

– Sometimes it is needed to read the pairing barcode twice with ScannerType 6


Android Nougat (7.x) – No more tested on this version
Manufacturer Device Android Version Date Tnx version Config deviation / Notes
Zebra TC51 7.1.2 18/07/19 Emulator
BT Pairing
"ScannerType": 2
– Wait for the second beep when pairing scanner



  • Some devices are not available for testing, despite this, we recommend the use of Scanner Type 111
  • Use the Filter parameter as much as you can. It will be easier to establish the connection between devices.


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: