To know if your Android device is compatible with Band 28 (700 MHz), the one Red Compartida operates you need to check the TAC number on your device (the first 8 digits of your IMEI)

This query is important so your preferred service provider can validate your access to Red Compartida with that specific device.

  • Verify smartphone compatibility (Video spanish only)
  • Insert your TAC number
  • (8 digits)


  • Change manually smartphone APN to use ALTÁN Network (Video spanish only)
  • Set smartphone to ALTÁN Network (Video spanish only)
  • Get to know Vozapp (Spanish only)