OK, I'm mentally ready.
1. ERK is the first 16b and the RIV are rest 32b from EID0 (EID Root Key). Right?
2. My eEID (dumped via Memdump v0.1) have 64KB but "placeholder" in your package is ~7KB. Why?
These key's are static and never changed through firmwares? I ask because i have read them long time ago on CEX 3.55 and actually I'm on DEX 4.21 and I cannot read them again. I thinking they are not, because this will affect ata key and CellOS would force me to format, but it's better to ask, so I asking. Sorry for my English. I hope you understand what I delirious.