I used to have a Moto e4 and I recently switched to a Galaxy S7. My husband has a Kyocera Cadence LTE. We're on the exact same plan. He has sight issues so he loves his flip phone; he uses his data as a hotspot for a tablet because smartphones are too small for him to see.
I've tried to upload photos to some websites several times using my S7 and it just times out or says I don't have a connection, even though I'm able to browse different sites. Today I saw his hotspot available in wifi so I used it. I was able to do the uploads that timed out on mine.
Did some speed tests immediately afterwards - when I used his phone for internet access, the result was 4.29 mbps down and .65 up, another test was 3.83 down and .52 up.
My test using my phone's data was 2.79 mbps and .18 up, most were lower than that. I briefly had a good connection and got 2.82 down with .29 up. Two of my tests showed a big fat "0" on upload speed.
I used device maintenance to clear caches and optimize everything. I limited background data and battery on most of my apps. I went into Maintenance Boot Mode and wiped the cache partition. None of it helped. Is the Galaxy S7 just weak on getting the LTE signal? I don't recall having this much trouble uploading photos from my Moto e4, but the S7 has a much better camera. Help!