The Trump campaign paid $600,000 for research from independent investigators, and their report went against what Trump was saying in that phone call. He was lying, he knew he lost the election and was trying to convince the governor to give him enough votes to overturn the election
Multiple recorded instances of Trump and his team acknowledging behind the scenes the election wasn’t stolen, while doing the opposite in public
You should read about the fraudulent elector scheme as well. It’s very interesting and I’d be willing to bet there’s more to it than you initially thought
en.m.wikipedia.org