I sadly don't have offline TMC to test... but I've found that android israel and a few other lic unlock all of this program no matter what content and the .tmc files are all available too... of course not for USA which barely even has a radio TMC service.
So, we can call online and "offline" TMC (using TMC receiever) , for people with 3g, 4g etc. internet connection on their phones, they can use online TMC, we speak just about correct calling things, like .tmc files and .lyc files, these 2 things aren't same.
What has always worked for me is leaving online traffic off at boot and then turning it on after GPS signal is acquired. There are a few sections required:
I've attached all my offline TMC services too.
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