NOTE: This guide is for the following recorders : DVR-4480G, 4480RN, 4480V, 4580G, 4580RN, 4580V, 4680, 4680RN, 4680A, 4680X, 4680XN, 4685, 4685RN, 4780V, 4980, 5580, 5580A, 5580G, 5580G2, 5580RN, 5580RU, 5680, 5680A, 5680RN, 5680X, 5680XN, NVR-8580, 8580RN, 8780, 8780RN, NVW-650, 800

NOTE: This guide is for the following cameras: SWIFI-CAM | SWIFI-ALERTCAM | SWIFI-SPOTCAM | SWIFI-FLOCAM2 | SWIFI-XTRCAM | SWIFI-BUDDY | SWIFI-FOURTIFY | SWIFI-TRACKCM | SWIFI-PTCAM2SWIFI-CORECAM | SWIFI-COREPRO | SWIFI-2KICAM | SWIFI-2KOCAM | SWIFI-4KFLOCAM | SWWHD-INDCAM | SWWHD-OUTCAM | SWWHD-FLOCAM

If the app ceases to function on your mobile device and while waiting for updates from the official app (see current version here), you can always opt to try the beta version. This applies to mobile phones with Android versions 9 and above. 

Please follow these instructions from Playstore: Try new Android apps before their official release - Google Play Help