I managed to bring back my phone to life after trying to install root with odin on my Note 4.
Here it's what I did:
1) Search the stock Rom on google.
For me it's this: https://www.androidfilehost.com/?fid=24588212152306227
2)Then unzip the archive: "N910TUVS2EPG2_N910TTMB2EPG2_TMB.zip"
3)Then...