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1. Worked fine last time I had used it, so hmm... intermittent crashes... so yeah, buggy at best... has potential to be so much betterThis app is crashing while updating calibration file on vehicle.... Even in 8gb ram phone....... That's not fair.... Please give a application update....and rectify the errors please..... Need corrective action of fault code in this app ... App is crashing frequently.....It is crashing every time I do service regeneration.

2. Zero starsThis application is not working at all, neither the image is being created nor any other work is being done.

3. Hard to navigate, won't work if it hasn't been used in a while, constantly have to uninstall and reinstall and then the login won't match the password to the username.

4. Never had issues in the past.It sometimes works, can't access log files offline, can't clear codes and can't see the engine's ecu inputs and outputs, no pids available.

5. Big waste of money.Deleted and reloaded to get it to work on Android phone.

6. Bumped it up to 3 stars since waiting a day it started working again.Decent if it works, but like the red motors it has tons of issues.

7. Needs serious revampingKeep getting mismatch date error first time trying to use it.

8. There is a lot of problem.App is trash, constantly needs uninstalled and reinstalled or it constantly crashes, won't pair to devices.

9. I have 2 phones, works on one, won't work on the other.

10. Just set a match to your equipment cause you will still need to spend the money on Insight to do any real troubleshooting.

11. App says pairing in process but you will kill your phone battery before it actually happens.

1. Fix Cummins Guidanz Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart Cummins Guidanz: Restarting the app will resolve most errors.
2. Update the Cummins Guidanz App. Here is how:
   1. On Android goto PlayStore » Search for "Cummins Guidanz" » Open Cummins Guidanz » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Cummins Guidanz » click "UPDATE".
3. Clear Cummins Guidanz app cache: Clearing cached data will force your app to retrieve the latest data directly from Cummins Guidanz servers.
   1. On Android, goto Settings » Apps » Select "Cummins Guidanz" » click Storage » click "Clear Cache".
4. Check Cummins Guidanz app permissions. If any of these permissions required to use your device's features are disenabled, Cummins Guidanz might not work.
5. Uninstall and reinstall Cummins Guidanz. If nothing else has worked, completely uninstall Cummins Guidanz then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing Cummins Guidanz not working

2. Fix Cummins Guidanz Server issues & Internet Connection

1. Check network connection: An unstable Internet will make Cummins Guidanz be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to Cummins Guidanz not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, Cummins Guidanz may not be able to connect to the Internet when running in the background.