I flashed modem files modem-4.01.zip it is the latest version. It works perfectly with LOS16.
To those having trouble with the C6902 modem zip file in LOS17.1, i have modified it by changing the destination flash folder to /system/system instead of previously /system; which is due to the changed folder hierarchy in android 10.
I had some qcril kernel wakelocks issue, that is related to connectivity interface, which prevented the device from going to deep sleep state and thus led to excessive battery drain when the screen is turned off. That got fixed after i modified the modem file and flashed it in LOS17.1 just like it did for me in LOS16 with the original modem file. However, i don't have a sim card inserted in the device so i don't know if the modified C6902 modem zip file will fix sim network connectivity issues. If it works for anyone, please let us know!
I am not a developer, flash this file at your own risk and responsibility.
I will not be held accountable for any damages, complaints or thermonuclear war.
modem[Q]-4.01_honami.zip
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