Best NavCores for car and bike navigation 2020

Hello, I've installed NC9501a on Rider v2 K2 and it worked great for a month or so, gps finding was very fast. But lately it got worse and worse and today it stopped finding satellites - GPS info screen shows like 6-8 satellites but it still says low GPS signal. I've tried GPSfix via both FastActivate and download_ephem_SiRFStarIII.cmd in ephem, but no luck. As per last message I've deleted ephem and it works again - question is for how long. Don't want to be stuck without satnav on my tours.

I've found

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thread and people talking on TomTOm forums say that upgrading to GSW3.2.5TT3 will fix GSP issue once and for all. Should I do it? Sorry I'm noob to TomTom community

My ttgo.bif file:

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Update: I've upgraded firmware and it seems to work great, though I've thought I've bricked my device during flashing, more on this here

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LTgoodevil Reviewed by LTgoodevil on 13th August 2021. Best NavCores for car and bike navigation 2020 Car Navigation: NC 9541c : WNRO-bug fixed version (Birthday = Tuesday 11 December 2018) This NC was published to fix WNRO-bug on GL2 devices If you have a device with 64MB RAM, download 9541_64MB.zip (*_Go) otherwise 9541_32MB.zip (*_LE) If you want to add Computer-Voices take a look at: https://www.gpsurl.com/tomtom-voices/180633-vocaliser-loquendo-voices-post311683.html#post311683 Don't replace my "LTTS7AudioBoard.so" and "LoqAudioBoard.so" !! Rating: 5