How to Update Firmware on PT30-PT40 device
(Before you start installing the firmware update on your device, make sure it is connected to "TT ELD")
1.Open "TT ELD" and click on 3 line on the top left corner.
![](https://downloads.intercomcdn.com/i/o/577437135/01d8a91a7a00f9fca363ce99/1.jpg)
2. Scroll down and find "Settings".
![](https://downloads.intercomcdn.com/i/o/577437251/9989fe66cf7c6ba324e7a595/2.jpg)
3.Click on "Settings"
![](https://downloads.intercomcdn.com/i/o/577437471/62bcdb5e274da7172f2e5c64/3.jpg)
4.Click on "Firmware Update".
![](https://downloads.intercomcdn.com/i/o/577437921/da40aaa13d58babe4935b047/4.jpg)
5. Click on "UPDATE NOW".
![](https://downloads.intercomcdn.com/i/o/577443967/97f2cefc9bd808383c56e0ab/photo_2022-09-09_16-02-29.jpg)
6. Wait till it downloads.
![](https://downloads.intercomcdn.com/i/o/577445510/407596e69f2252e70b93b1db/photo_2022-09-09_16-03-04.jpg)