Okay got the Concept installed now. What security patch should I be on? It's saying April but I thought it was bring kept more up to date than this?
FINALLY!
Just got the Marshmallow updating coming down and I have a simfree unbranded handset.
Root partition is 2gb, your files live in the system partition, then there is the swap and cache partitions
Best thing would be to full wipe it and start again.