Diagnostic report for Dejavoo Z11 intermittent cellular connectivity issues. Focus: SIM card, antenna, environmental factors. Non-invasive solutions only.
APN settings vary. Consult Rogers directly for current settings.
Warranty periods vary. Consult Dejavoo documentation for warranty information.
Factory resets vary by firmware. Consult Dejavoo documentation for instructions.
Cellular connectivity relies on the SIM card interfacing correctly with the Z11's baseband processor and antenna. Signal attenuation can be caused by physical damage to the SIM card or slot, environmental interference, or antenna malfunction. The Z11's firmware manages the cellular modem's power levels and band selection. Voltage fluctuations within the device could also affect cellular modem stability. ESD (Electrostatic Discharge) can damage sensitive components in the SIM card reader.
Intermittent cellular connectivity on the Dejavoo Z11 terminal. The device loses or fails to establish a cellular connection, impacting transaction processing. The signal strength fluctuates unexpectedly, and error messages related to network connectivity are displayed.
Electrostatic discharge (ESD) can damage the SIM card and terminal. Ground yourself before handling the SIM card, especially in dry environments. Safe Handling: Always disconnect the power supply before working on the terminal. Do not attempt to open the Z11's casing, as this will trigger the anti-tamper mechanisms and void the warranty. Any internal modification voids PCI compliance.
Try forcing the Z11 to use a specific cellular band in the configuration menu, if possible. Some bands may have better reception in the area. Check the cellular carrier's coverage map for optimal band selection. Ensure the SIM card is provisioned correctly with the cellular carrier.