TC70 WIFI issues

We have TC70 Scanners running a mix of Lollipop/Marshmallow OS and we keep running into issues in our warehouse where the device shows full connectivity in terms of "WIFI BARS" but does the application shows signs of lagging (application shows spinning circle like its loading).. Warehouse workers keep saying device is "losing the wifi connection" when in reality it never disconnects from the wifi...

Is there any logging, tracing we can do to see if its WIFI related or application related?

Michal Keracik
Hi,IMHO first and easiest

Hi,

IMHO first and easiest check tool is ping for ensuring if the device really lost connection. If it's alive it would mean that its most probably application issue.

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Tyler Anderson
Ping always stays alive..

Ping always stays alive.. Maybe 1 timeout every 10 minutes. However, developers saying they see no application errors…

Tyler Anderson

System Administrator

HAVERTYS

780 Johnson Ferry Road NE, Suite 800

Atlanta, GA 30342

W: 404.443.4289

tyanderson@havertys.com<mailto:tyanderson@havertys.com>

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Michal Keracik
I don't know what application

I don't know what application (or what kind) is that and don't know where are devs looking and what kind of log level is set but maybe it's not error. or error they are "catching" ATM.

I hope that they don't expect uninterrupted connection because there is no such thing in wireless environment and application must expect small network outages and handle them properly (lower timeouts, more retries etc)

Maybe it's server, session, etc issue. Was different Android device tested or maybe Zebras on different WLAN infrastructure? For example take two APs with same ssid but with small signal "hole" between and install app on any other android smartphone and try to move between them how it would react. Or just one AP and move away and back while working in app to see what it does and if devs would see errors.

that are first thing that came to my mind but appropriate troubleshooting methods should be used at first of course

And also if default android debug logs are not providing informatins devs are looking for they should implement what they want directly to the app. Because IMHO if app is stucked devs should see it in logs so they can tell you (and also user notice in app) - server/database unreachable or so.

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Santhosh Penchala
Hi Tyler,we are also having

Hi Tyler,

we are also having the same issue with one of our applications.

were you able to solve this issue?

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Dmitry Prokhorov
Hello,Do you have it checked

Hello,

Do you have it checked with a ping command? Does it really lost WiFi connection?

In case your ping alway stay alive there is a chance that mobile or server-side part of your application has an issue.

Also you can check system messages with following command:

adb logcat

To execute this command you need your mobile device connected to your computer via USB and your mobile should have USB debug option turned on.

Dmitry Prokhorov

Software Engineer, Kutir Mobility

Posted on behalf of Zebra Technologies

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Pepe Parafa
a

a

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