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Latest recommended config:


"BluetoothSPP": {
  "On": true,
  "Filter": "",
  "PIN": "",
  "UseDeviceMajor": false,
  "UnpairAll": true,
  "DiscoveryOn": false,
  "BarcodeType": "FNC3",
  "ShowUnpairBarcode": false,
  "ScannerType": 4,
  "TerminatorWait": 0,
  "Terminators": ""

Tested successfully on:

Android Oreo (8.x)
Manufacturer Device Android Version Date Tnx version Config details
Zebra TC51 8.1.0 24/07/19 Emulator
BT Pairing
Vxt Engine
Vxt Calibrate
"UnpairAll": true,
"ScannerType": 4

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

– Sometimes it is necessary reading the pairing barcode twice.

Build number 02-13-15.00-OG-U14-STD (May 16, 2019)


Android Nougat (7.x) – No more tested on this version
Manufacturer Device Android Version Date Tnx version Config deviation / Notes


  • 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.



  • On pairing perform, it is connected and disconnected once, but then connects automatically again.
  • Vysor app installed at the device may cause the scanner to lose connection