Q: why do I never get LTE data service in Ottawa/Nepean/Kanata ON?
I only get H+ with data enabled on my phone.
For an LTE-compatible phone configured with LTE network preferences:
Your phone can also support other frequencies that allow it to take advantage of the LTE network.
For a phone that only allows 3G or HSPA preferred:
Reboot your device or remove and reinsert the SIM card.
Fizz does not have great LTE coverage beyond the urban core on the Ottawa side, the further away from the QC border you travel, the less likely you will have LTE coverage on the Fizz network and beyond their partner networks. And as the other person posted, having a phone compatible with all the Fizz frequencies is best. H+ should still be fast enough for streaming but don't expect to watch videos in 4K. You are not alone in less than optimal coverage in Ottawa.
Fizz might not have great LTE coverage in the area, but another thing to consider would be device compatibility. Is this possible in your case?