The Algo Laser Delta comes with very small Wifi Antenna and as a result there can be a lot of disconnecting problems with the App and Wifi.
I solved this by adding a better Wifi Antenna which you can buy on Amazon or AliExpress .
Below is link to RP SMA 90 degree Wifi Connector and Antenna I added. You can buy many other Antennas that are available but you want it to fit under the Laser. This improved the Wifi connectivity.
RP-SMA Right Angle, RP-SMA Male… https://www.amazon.ca/dp/B083928JC7?ref=ppx_pop_mob_ap_share
COVVY WiFi Antenna 10 DB… https://www.amazon.ca/dp/B07TQ4Y47D?ref=ppx_pop_mob_ap_share