2N Indoor Touch
Release notes
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Firmware 3.5.3.1.0 (January/2024)

Corrections:
- Stability optimisation

2N IP Mobile version 4.4 requires 2N IP intercoms firmware version 2.42 or higher.

How to upgrade:
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Option 1) Full upgrade (erases all user data) - over the micro SD card, unzip all files from the archive to the root directory of the memory card, insert into the slot and reboot the device.

Option 2) Partial upgrade (keeps user data; requires approx. 450MB of free space prior upgrade) - over the web interface using the upgrade.img file (upgrade possible from the FW version 3.5.2.x or higher).
Please note that if you proceed with a factory reset, the 2N® Indoor Touch unit gets back to the last FW version which had been installed as a full upgrade over the microSD card earlier.