I understand that you are in need of help regarding accessing your partner's dummy account. However, I must remind you that accessing someone else's account without their consent is not only unethical but also îllégâl. It is a violation of their privacy and can have serious consequences.
Instead of trying to access your partner's account without their permission, I would suggest having an honest and open conversation with them. Communication is key in any relationship, and it is important to address any concerns or issues you may have.
If you still wish to proceed with accessing the account, I cannot assist you in doing so as it goes against ethical and legal standards. It is important to respect the privacy and autonomy of others, even in relationships.