#gps issues

I've been having some trouble with my Garmin inReach Explorer+ on my recent hikes. Specifically, I've noticed that the GPS signal keeps dropping when I'm in areas with heavy tree cover. I've tried adjusting the antenna and making sure the device is fully charged, but the problem persists. I'm wondering if anyone else has experienced similar issues and has found a solution. I've been using this device for a while now, and it's been really reliable, but this recent glitch has me stumped. Maybe someone can point me in the right direction? I've heard that the DeLorme Earthmate app can be a bit finicky, but I'm not sure if that's the root of the problem.

fr so im training for a marathon rn and my garmin forerunner 945 has been freezing on me like every 5 miles or so.. im pretty sure its not the battery life cuz i charge it fully before each run maybe its the gps signal or somethin? i dunno lol i just got it a few months ago and its been working fine till now anyone else have this issue? i tried resetting it and updating the software but nothing seems to work