On my LG-G5 (LG-H831) FAfter the recent Android update, I get dozens of daily alerts with sound for "no data service" and "no voice service." If you long press the alert, there are options to lower the sound, which is supposed to make it almost inaudible, but they don't work. My partner's phone is the same.
I've created a new APN on each phone and put in the settings from the Fido website, but this reduces the number of times per day this annoying sound occurs but it doesn't eliminate them.
Anyone come up with a fix for this? Thanks.
I get those must be quite annoying! Have you tried Jo's suggestion?
Make sure to do a back up of your personal information before you proceed to the factory reset