You can follow the steps below to change FTP uploading path via Reolink App.
Applies to: All Reolink PoE cameras (except add-on cameras which can only work with Reolink NVRs), all plug-in WiFi cameras (except E1, E1 Pro, Lumus), Argus 3 Pro, Argus Eco Ultra, Reolink Duo 2(battery), Reolink Go Plus, Reolink Go Ultra and all Reolink NVRs (except RLN36).
Step 1. Launch Reolink App and click the Settings button on the top-right corner.
Step 2. Tap FTP Upload > FTP Settings > Remote.
Step 3. Modify the remote upload directory as you need, if it is the root directory, you do not need to input anything.
You may also want to know: How to set up FTP for Reolink Products