Dragon Tamer - Chapter 285 - 286: Black Lake in the Cave

Accidentally reborn as the son of the distant cousin of the Squib, the mother of Harry Potter’s friend Ron, and lived in this world as the second generation of Squib for eleven years.

He originally planned to be an accountant like his father in the future, but he didn’t expect fate to play a joke on him, and he didn’t know the slightest bit of magic, but he received the exact same envelope as his sister on his eleventh birthday.

Due to the expectations of his parents, he reluctantly accepted the reality, but inadvertently discovered another secret…

- Description from novelbuddy

Dante is a budding young man who has the dreams and hopes of entering society with his own skills, independent of the help of family and friends.

As a small-time app developer, he eventually tries to jailbreak his new phone when a malfunction occurs, and his phone swallows him into a wormhole.

On the other side, Dante appears in an alleyway of a bustling city... Avalon!

This futuristic city leaves him dumbfounded until he is prompted by his phone which has now merged into his body that he can travel between two universes, Earth and the Eternal Universe.

……………………………………………………………

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Always looked down upon by others, Ji Feng gains technology far more advanced than the present, as he discovers its abilities, he begins to walk a path far from ordinary. With X-ray vision allowing his to find jade stones in rocks. With this futuristic technology, Ji Feng accomplishes something no-one can compare to. This is the beginning of a legend.

- Description from Novelupdates

I am merely a reviewer, albeit the products I review are slightly different. For example, I review quantum computers, artificial intelligence, anti-gravity mech armor, planetary engines, sublight colonial ships, stellar detonators, etc…