TC70 boot circle -no FR and FR possible

Hello out there,

I had to update a KK1803 to Lollipop 2003 for reason on SMU logging traces, unfortunally the unit does not come up in a normal OS,

but stucks now in system recocery...do we ahve any kind of tool to wipe a TC70 bejond FR or ER...???

many thanks in advance

Martin