Limitations with INCH
Currently we only support upgrading INCH chargers to 4.x with serial greater than 19420xxx.
You can also check if your station is eligible for new firmware with checking CC Hardware version.
To check version go to Menu → Diagnostics → CC hardware version.
Not compatible versions:
0.93
0.94
0.95
Compatible versions:
1.02
1.2
1.3
1.4
Before upgrading
Make backups of data and settings. For data go to Menu → Diagnostics → Backup Data, for configuration click Backup Configuration. Data (Users, sessions,…) is lost after upgrade, and config can be restored from backup.
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Upgrade to version 4.x requires multiple steps. Every step is done in same manner. See section https://etrelchargingsolutions.atlassian.net/wiki/spaces/Home/pages/3003678750/Upgrade+INCH+to+4.x#How-to-upgrade-INCH.Before that make sure your station is on version 1.13.9. Check first section of this page how to upgrade it to 1.13.9
It is important that you are following this guide precisely. Don’t skip any step.
First step
Download Install_1.13.11_Etrel.zip and go to web interface of the station and apply this upgrade. Do not open .zip file
This step takes quite some time, atleast 15 minutes, on some stations a lot more. After a while, station should reboot by itself and you can check under Diagnostics menu if version 1.13.11 was installed. If not, delete your browser cache and refresh page to confirm that update was in fact installed.
Second step
Download Install_1.13.12_Etrel.zip and go to web interface of the station and apply this upgrade. Do not open .zip file
This step takes quite some time, atleast 45 minutes, on some stations a lot more. After a while, station should reboot by itself and you can check under Diagnostics menu if version 3.900.x or 4.0 was installed. If not, delete your browser cache and refresh page to confirm that update was in fact installed.
Third step
With every update from now on you must verify that you are using same OS Version, for every firmware update. Eg. App-4.0.2 can be installed only on OS 4.0.
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First download system-4.0.itb and upgrade station with this update. After reboot, verify under Diagnostics that your OS version says 4.0
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Fourth step
Upgrade station to latest app version, download app-4.0.23.itb and apply the update in Diagnostics
After reboot, station should be on OS version 4.0, and Software version 4.0.23
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