Zebra MC220K not working with local DNS server

Question

I need help debugging something. My company recently purchased an Zebra MC220K, and it is unable to resolve internal DNS domains. I have tried all of the following:



  1. Forget the network.

  2. Enable / disable airplane mode.

  3. Change the wifi configuration to 'static' and manually put in the DNS server that we use.

  4. Install termux and doing a DNS lookup, which resulted in the correct ip should be referring to.

  5. Factory reset the device.

  6. Check a dozen other android devices (S8, S10, S20, Galaxy Tab, Google Pixel, etc), all of which work as expected.

  7. Run an android 10 vm, which also works as expected.


I am at a loss, I have no clue why I am still getting ERR_NAME_NOT_RESOLVED when using Chrome / Firefox / Edge / Samsung Internet / Brave / Opera. Literally any browser throws this error, clearly indicating something wrong in the software.


Are there any other tests I should perform, or do I just yeet back the product because it doesnt work?


— codam_hsmits | Sources

Answer

For whoever is banging their head against a wall, turns out it is an actual Zebra issue. They do not use the DNS provided in the DHCP config and always default to another DNS resolver. The affected versions are OS build 10.16.10 LG44 or LG79.


If you require a hotpatch, feel free to reach out to their customer support, they will be able to provide one to you.


— codam_hsmits | Sources

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