Hi togetherHi, I hope that someone else has tried to get this done and was successful unlike me. I tried to NFC working with support for extended length. Some apps from the government in Germany make use of this.
@innocent_pigeon mentioned earlier in this thread that he got it working by taking all files from the official s10 rom (I use this ROM on an S9), copying them over to his device. I tried the same: looking for any file in system.img (were like a dozen files) that had "nfc" in its filename or foldername and copied it to my phone (using file manager in TWRP).
Was someone else successful? Maybe I just miss a single file that is not clearly related to NFC?
Thanks in advance![]()
First of all, big thank you and respect to @AlexisXDA!
I'm a loyal user since Version 1.7 or 1.8 and no matter what Smartphone or ROM I try, after max three days I'm back with Noble!
In three weeks I'm 4 years with my Note9 and I even bought it used!
Thanks to you is my noble-device still very up-to-date and except of the battery and a dying the dying USB-C-connectors have no complaints! @AlexisXDA: xda's Oeco-warrior
Sadly I couldn't reproduce my solution from last year. BUT I found another workaround and wanted to share:
@elfrawg it's not just one file.....just a SINGLE NUMBER you have to change to get it to work (supposedly there's even a workaround for non-root)!
Navigate to /vendor/etc/libnfc-sec-vendor.conf
Scroll down to the end, where you should see the entry for the extended length.
Rise it over 500, save, reboot and it worked on my phone as well as from @elfrawg's
In my config-file stood the default length 261. Theoretically one has just replace the 2 with 5 and done.
It is so easy, I still suspect a catch or whatever....

Here the original entry, where I found it:
Samsung A5 + NFC + extended Length
Mein Samsung Galaxy A5 konnte früher mit NFC den Personalausweis auslesen: - es funktionierte mit Android 8, - es funktionierte mit LineageOS 16, - es funktionierte mit LineageOS 17.1 bis einschl. Ver
www.lineage-os-forum.de
Have a good start in the week