I also encountered this issue with two separate phones in the household starting last week. I have not been able to figure out a permanent solution to the problem, but through testing I found that if I switch to the Telus APN, attempt to download the...
You should be just fine - the coverage map shows that there is service coverage for Blind River, ON. Coverage map can be found here: https://www.publicmobile.ca/en/on/coverage
