[fixed] cannot install big sur m1 2020 | An error occurred while installing the selected updates
how to fix An error occurred preparing the update.There are many error massages when install big sur. Failed to personalize the software update. Please try again M1 chip.fix all errors when installing Big Sur Mac with Apple M1 chip. Dont erase your mac m1 befor watching this video. .installation von macos konnte nicht fortgesetzt werden