Well:
For now I have not been able to completly downgrade to v01.03.700 correctly.
Im my way to do so I have tried to downgrade to v01.04.300, to v01.04.100, to v01.03.900 as a mid step to v 01.03.700, using a PC, using an iMac, using different USB cables, using different Assistan2 versions...