Need more help understanding what I do have

Honestly , I am one lost soul on this Elephone , I am so new with it I feel like a newbie altogether. I do have several years messing with HTC, Samy's and Moto's but this is my first full fledged Chinese phone. With the help of jman I believe it was , I managed to know that mine is a 2015 B model for the USA. Now, I see different roms and none have my number and I can't find the number any where so opens up a new "what is it " for me. Baseband, Kernel, and Build version all match what I have read but the Custom Build version: Elephone_P8000_20160114 gets me confused . I wanted to find the factory rom just to have on the PC in case something happens and been to the Elephone forums and didn't find it , on other rom storage sites and can't find it . I have figured out the bootloader is version K05TS_A. So what roms and where can I flash on this? I do have a custom recovery and root now the bootloader is unlocked but was told this isn't a HTC or Samy so the bootloader doesn't need to be unlocked to flash a custom.
Thanks in advance to whoever .

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