In a multi-fold universe, gravity emerges from Entanglement through the multi-fold mechanisms. As a result, gravity-like effects appear in between entangled particles; that they be real or virtual. Long range, massless gravity results from entanglement of massless virtual particles. Entanglement of massive virtual particles leads to massive gravity contributions at very smalls scales. Multi-folds mechanisms also result into a spacetime that is discrete, with a random walk fractal structure, and non-commutative geometry, that is Lorentz invariant, and where spacetime locations, and particles, can be modeled with microscopic black holes. All these recover General relativity at large scales, and semi-classical models remain valid till smaller scale than usually expected. Gravity can therefore be added to the Standard Model. It can contribute to resolving several open issues with the Standard Model without new Physics other than gravity. These considerations hint at an even stronger relationship between gravity and the Standard Model. In our original work on multi-fold universe, we derived area laws for black hole, and considerations on the black hole paradoxes. Our analysis of evolution of charged black holes was used to derive a new unification model based on democracy of forces and particles: the Ultimate Unification (UU), significantly different from conventional GUTs. The discrete structure of spacetime, and multi-fold mechanisms, also ensure the absence of gravitational or cosmological singularities Recently, progress has been made with conventional modeling of black holes, and with the AdS/CFT conjecture, it is believed to be very close to demonstrate a resolution (and/or the absence) of the information paradox. Something we had already hinted. Doing so, they also added to the modeling of the interior of black holes based on quantum considerations. Considering how we have so far been able to recover many conventional models in multi-fold universes, typically with variations, factual statements, and physical (and often microscopic) explanations of the effects, this paper is focused on deriving the equivalent model for the interior and evolution of black holes. It includes recovering the Page curve for multi-fold black holes, the quantum extremal surface inside a black hole, and resolution of the information paradox with a solution consistent with the conventional approach, but in 4D, and without dependency on the AdS/CFT correspondence, or the ER=EPR conjectures, and its wormholes. This last statement about dependencies is not totally honest, as the latter two conjectures are inherently factual in multi-fold universes, and multi-fold may be, or correspond to, wormholes. Anecdotally, we also obtain, that black holes behave as if they had singularities, despite the absence of singularity in a multi-fold universe. The quantum extremal surface plays a key role in significant recovery of information, and in explaining the Page curve, although different from conventional models.