[ASK] Unbrick 3 LED for SN 23L

I have an 23L yi cam and I used 22L efl to recover it, it works perfectly and then I reinstall 1.2.12 firmware for Z23L but the only problem is that Serial Number change to Z22XXXXXXXXX but all works again, I received it yesterday but I think I'm going to return it back for other model because Z23L has no ir filter and images have white shadows
 
I have an 23L yi cam and I used 22L efl to recover it, it works perfectly and then I reinstall 1.2.12 firmware for Z23L but the only problem is that Serial Number change to Z22XXXXXXXXX but all works again, I received it yesterday but I think I'm going to return it back for other model because Z23L has no ir filter and images have white shadows
I have tried many times, but the result is same "bricked with 3 led status"
After i flash .elf via yiSportCamUSB then insert my microSD with the last 23L firmware 1.2.12 and the yicam beeping upgrade and success, but the result still bricked like my video again.
 
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