@lolypop000
As you proposed back in Post #15 and it's timely for it to be raised again after some other seemingly plausible hypotheses have been debunked in practice. Can you help with such a mod?
Kunix's total rebuilding [it would be trite to call that a 'mod'] of the fw which i tested yesterday is mind-blowing to me. Sure it has a few rough edges which i'm sure he could smooth off quicker than i could make a coffee but it worked overall and seemingly achieved the objective, i.e. to establish if the 37 bootloader would improve accuracy as proposed by Angelozip. I couldn't see that it does during my brief test but have left the unit converted and will do a triple side-by-side with it, a virgin 3790 and another 3790>3490 conventionally converted. Maybe throw in my 3590 as 4th which is as close as i've got to an original 3490. I'll post the results of that soon.
Kunix, are you prepared to invest a little more time to extract the 37x0 GPS fw and mod it into either the original 34x0 or your creation [or both]? I'm happy to test further, no doubt others will also volunteer.
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